Darkvision Technologies Inc.

Canada

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New (last 4 weeks) 3
2026 July 3
2026 June 2
2026 (YTD) 6
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IPC Class
E21B 47/002 - Survey of boreholes or wells by visual inspection 27
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging 25
G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy 11
G01V 1/46 - Data acquisition 11
B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction 9
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NICE Class
42 - Scientific, technological and industrial services, research and design 4
07 - Machines and machine tools 2
09 - Scientific and electric apparatus and instruments 1
37 - Construction and mining; installation and repair services 1
Status
Pending 27
Registered / In Force 64

1.

Wall Thickness Calculation Using Ultrasound

      
Application Number 19444559
Status Pending
Filing Date 2026-01-09
First Publication Date 2026-07-23
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • D'Souza, Derrell
  • Da Costa Filho, Carlos Alberto
  • Luu, Timothy

Abstract

A device and method for detecting and quantifying wall thickness deviation in cylindrical fluid conduits, such as pipelines and downhole tubing, using ultrasound imaging, is described. The device comprises a probe that emits and receives ultrasound waves, and a processor that performs circle fitting and spline fitting on the ultrasound data to estimate the inner diameter (ID) and outer diameter (OD) of the conduit, and the wall loss due to corrosion or other defects. The method involves transmitting an ultrasound wave along the conduit wall, filtering out the region around the ID and OD reflections, finding the maximum amplitudes in that region, and fitting a spline curve to the ID and OD points. The wall thickness deviation is calculated as the percentage difference between the nominal radius and the radius based on a point on a spline, and an image of the conduit is constructed based on the thickness deviation values.

IPC Classes  ?

  • G01B 17/02 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations for measuring thickness
  • F16L 55/26 - Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
  • F16L 101/30 - Inspecting, measuring or testing
  • G01N 29/04 - Analysing solids

2.

Apparatus for Imaging Pipelines using Real-time Adaptive Ultrasonic Imaging

      
Application Number 19444456
Status Pending
Filing Date 2026-01-09
First Publication Date 2026-07-16
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Da Costa Filho, Carlos Alberto
  • Azar, Reza Zahiri

Abstract

The disclosure relates to an apparatus and method for imaging fluid-carrying tubulars, such as pipelines and downhole tubing, using real-time adaptive ultrasonic imaging and multiple imaging modalities for a single transducer array. An imaging tool dynamically adjusts beamforming parameters based on the surface characteristics and geometry of an inspected target, to compensate for differences between the actual and expected location of a transducer array relative to the target surface. An imaging tool and method is disclosed that employs multiple transmit and receive cycles to capture various features such as cracks, metal loss, and geometry using a single transducer array, enhancing defect detection and characterization. A tool and method are described for generating image data by compensating for the directionality of a transducer element or array. Further, a method for efficiently ray tracing a region of interest based on a measure of received energy is disclosed.

IPC Classes  ?

  • G01S 7/52 - Details of systems according to groups , , of systems according to group
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/07 - Analysing solids by measuring propagation velocity or propagation time of acoustic waves
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

3.

MODULAR INLINE INSPECTION VEHICLE

      
Application Number 19132834
Status Pending
Filing Date 2023-12-15
First Publication Date 2026-07-09
Owner DarkVision Technologies Inc. (Canada)
Inventor Hope, Jay Roderick

Abstract

An Inline Inspection Tool is provided to image a pipeline as it travels through it, in order to assess damage of the pipeline, such as cracks, leaks and weld problems. The tool is created from several stacked sensor modules removably connected to each other. Each module provides imaging of a certain section of the pipeline and then multiple imaged sections may be combined to visualize the entire pipeline. This creates a versatile tool that can be customized onsite for each job, using different sensors or imaging modes.

IPC Classes  ?

  • G01M 3/00 - Investigating fluid tightness of structures

4.

ACOUSTIC TRANSDUCER AND METHOD OF MANUFACTURING

      
Application Number 19537566
Status Pending
Filing Date 2026-02-12
First Publication Date 2026-06-25
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Hope, Jay
  • Manders, Graham
  • Vandenberg, Connor
  • Rose, Jacob William

Abstract

An acoustic transducer array and method of making same. A first metal layer is deposited on a first side of a piezoelectric composite to form a common electrode and a second metal layer is provided over the obverse side. Portions of the second metal layer are removed to create a plurality of individual electrodes. A third metal layer may be deposited onto the plurality of individual electrodes, the third metal layer being thicker than the second metal layer. The individual electrodes extend beyond the piezoelectric composite in the elevation direction to create electrode leads. Metal layers may be provided by lithography, a wireframe or a foil sheet.

IPC Classes  ?

  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • H03H 3/08 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves

5.

APPLICATION-SPECIFIC INTEGRATED CIRCUIT AND SYSTEM FOR ULTRASONIC TRANSMISSION AND DETECTION

      
Application Number 19178941
Status Pending
Filing Date 2025-04-15
First Publication Date 2026-06-11
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • Manders, Graham T.
  • Blalock, Travis
  • Masud, Muhammad Imran

Abstract

An application-specific integrated circuit (ASIC) and a corresponding system for ultrasonic wave transmission and reception. The ASIC includes a two-dimensional pulser matrix, each pulser designed to produce pulses for an ultrasonic transducer element and associated receive switches for conducting echo signals received from these elements. Integral to the ASIC is at least one multiplexer stage, communicatively coupled to the receive switches, which selectively allows subsets of echo signals to be output in response to a selection signal. This configuration allows for a dense deployment of pulsers on an ASIC, facilitating higher resolution in ultrasonic applications.

IPC Classes  ?

  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01S 7/524 - Transmitters

6.

DETERMINATION of SPEEDS OF SOUND IN FLUIDS

      
Document Number 03277285
Status Pending
Filing Date 2025-06-16
Open to Public Date 2026-01-19
Owner Darkvision Technologies Inc (Canada)
Inventor
  • Da Costa Filho, Carlos
  • D'Souza, Derrell

Abstract

A non-destructive testing device with an ultrasonic transducer array inspects objects carrying a fluid. Ultrasound reflections are stored in the device and processed to create images of the object. A processor estimates the speed of sound of the fluid by trying values for the sound speed and for each value: makes images from the reflections, calculate geometric parameters for the object from the images, and calculate a metric for how much the parameters vary. The estimated speed of sound is associate with the optimized metric.

IPC Classes  ?

  • G01H 5/00 - Measuring propagation velocity of ultrasonic, sonic or infrasonic waves
  • G01N 29/024 - Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
  • G01N 29/44 - Processing the detected response signal
  • G06T 7/60 - Analysis of geometric attributes

7.

DETERMINATION OF SPEEDS OF SOUND IN MEDIA

      
Application Number 19235637
Status Pending
Filing Date 2025-06-12
First Publication Date 2025-12-18
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Da Costa Filho, Carlos Alberto
  • D'Souza, Derrell

Abstract

A non-destructive testing device with an ultrasonic transducer array inspects objects carrying a fluid. Ultrasound reflections are stored in the device and processed to create images of the object. A processor estimates the speed of sound of the fluid by trying values for the sound speed and for each value: makes images from the reflections, calculate geometric parameters for the object from the images, and calculate a metric for how much the parameters vary. The estimated speed of sound is associate with the optimized metric.

IPC Classes  ?

  • G01N 29/30 - Arrangements for calibrating or comparing, e.g. with standard objects
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/28 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details providing acoustic coupling
  • G01N 29/32 - Arrangements for suppressing undesired influences, e.g. temperature or pressure variations

8.

ULTRASONIC IMAGING DEVICE AND METHOD FOR WELLS

      
Document Number 03278947
Status Pending
Filing Date 2016-06-17
Open to Public Date 2025-10-31
Owner Darkvision Technologies Inc (Canada)
Inventor
  • Manders, Graham
  • Malik, Osman
  • Robinson, Stephen
  • Hope, Jay

IPC Classes  ?

  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
  • G01V 1/46 - Data acquisition

9.

ULTRASONIC IMAGING DEVICE AND METHOD FOR WELLS

      
Document Number 03244438
Status Pending
Filing Date 2016-06-17
Open to Public Date 2025-10-28
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Manders, Graham
  • Malik, Osman
  • Robinson, Stephen E.
  • Hope, Jay Roderick

Abstract

Methods and devices for imaging wells using ultrasound is described. The devices include a modular imaging device having a telemetry module and a radial imaging module and/or forward imaging module. The radial imaging module includes a ring shaped phased array ultrasonic transducer array for generating images on the length of a wellbore. Various lens and housing configurations for the radial imaging module are described. The forward imaging module includes an ultrasonic transducer comprising one or more elements and having an adjustable viewpoint for generating images of obstructions found in a wellbore. Advanced imaging modes for a radial imaging module include multiple aperture and spiral wave imaging mode.

IPC Classes  ?

  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 47/13 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. of radio frequency range
  • G01S 7/521 - Constructional features
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01V 1/00 - SeismologySeismic or acoustic prospecting or detecting
  • G10K 11/30 - Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses

10.

APPLICATION-SPECIFIC INTEGRATED CIRCUIT AND SYSTEM FOR ULTRASONIC TRANSMISSION AND DETECTION

      
Application Number IB2025052804
Publication Number 2025/219776
Status In Force
Filing Date 2025-03-18
Publication Date 2025-10-23
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • Manders, Graham T.
  • Blalock, Travis
  • Masud, Muhammad Imran

Abstract

An application-specific integrated circuit (ASIC) and a corresponding system for ultrasonic wave transmission and reception. The ASIC includes a two-dimensional pulser matrix, each pulser designed to produce pulses for an ultrasonic transducer element and associated receive switches for conducting echo signals received from these elements. Integral to the ASIC is at least one multiplexer stage, communicatively coupled to the receive switches, which selectively allows subsets of echo signals to be output in response to a selection signal. This configuration allows for a dense deployment of pulsers on an ASIC, facilitating higher resolution in ultrasonic applications.

IPC Classes  ?

  • H10N 39/00 - Integrated devices, or assemblies of multiple devices, comprising at least one piezoelectric, electrostrictive or magnetostrictive element covered by groups
  • G01S 7/524 - Transmitters
  • G01S 7/526 - Receivers
  • H10N 30/00 - Piezoelectric or electrostrictive devices
  • H10N 30/20 - Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
  • H10N 30/30 - Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors

11.

METHOD AND SYSTEM FOR CHARACTERIZING PERFORATIONS IN A TUBULAR

      
Document Number 03228009
Status Pending
Filing Date 2024-02-02
Open to Public Date 2025-07-08
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Handa, Gaurav
  • Hari, Sindhu
  • Zhao, Mengliu

IPC Classes  ?

  • G01B 17/00 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G06V 10/70 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning
  • G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks

12.

Industrial ultrasonic inspection with sparse receive

      
Application Number 18855169
Grant Number 12270787
Status In Force
Filing Date 2023-03-30
First Publication Date 2025-04-03
Grant Date 2025-04-08
Owner DarkVision Technologies Inc. (Canada)
Inventor Halpenny-Mason, Michael

Abstract

An ultrasonic inspection device and method of inspecting parts is disclosed that uses significantly less memory and power with little drop in image quality. The device transmits on a full aperture of ultrasonic elements in a phased array but receives on only a fraction of that aperture. The device may be used downhole, in pipeline inspection or Non-Destructive Testing of manufactured parts.

IPC Classes  ?

  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01N 29/36 - Detecting the response signal

13.

PRESSURE BULKHEAD FOR ELECTRICAL CONDUCTORS

      
Document Number 03236588
Status In Force
Filing Date 2024-04-26
Open to Public Date 2025-02-20
Grant Date 2025-05-27
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor Hope, Jay

Abstract

A bulkhead system for passing conductors between a high-pressure side and a lowpressure side. The bulkhead may be used in harsh environments to pass signals or power to sensors and actuators on one side and to sensitive electronics on the other side. The conductors run through and are bonded at sides to a body, which body is supported in the direction of the pressure differential and not highly supported in other directions.

IPC Classes  ?

  • E21B 17/00 - Drilling rods or pipesFlexible drill stringsKelliesDrill collarsSucker rodsCasingsTubings
  • H02G 3/22 - Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
  • H05K 5/06 - Hermetically-sealed casings

14.

ADVANCED OPTICAL IMAGING OF TUBULARS

      
Application Number 18939565
Status Pending
Filing Date 2024-11-07
First Publication Date 2025-02-20
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Luu, Timothy
  • Manders, Graham
  • Nesbitt, Damian

Abstract

A device and method used to inspect wellbores, cased or uncased using cameras and a phased array ultrasound transducer. The optical and ultrasound images are stored on the device and then registered and analyzed together. The present device overcomes the deficiencies currently experience by downhole camera operators, such as poor scale and lack of volumetric perspective.

IPC Classes  ?

15.

ULTRASONIC IMAGING DEVICE AND METHOD FOR WELLS

      
Application Number 18915378
Status Pending
Filing Date 2024-10-15
First Publication Date 2025-01-30
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Manders, Graham T.
  • Malik, Osman S.
  • Robinson, Stephen E.
  • Hope, Jay Roderick

Abstract

A method for imaging a wellbore in a spiral wave imaging mode using a phased array ultrasonic radial imaging probe having an annular transducer array comprising a plurality of elements, the method comprising the steps of a) pulsing a first element in the transducer array that forms part of a first sequence of elements, b) pulsing a second element that forms part of the first sequence of elements, c) repeating steps a) and b) for each element in the first sequence with a time delay between steps a) and b), d) receiving signals for each element in the first sequence, e) applying time delays to the received signals to achieve virtual beamforming and form imaging data, f) repeating steps a) to e) for additional sequences of elements in the transducer array, and g) coherently summing the imaging data from each sequence to form a 3D image of the wellbore.

IPC Classes  ?

  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • G01N 29/024 - Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
  • G01N 29/24 - Probes
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01N 29/34 - Generating the ultrasonic, sonic or infrasonic waves
  • G01V 1/00 - SeismologySeismic or acoustic prospecting or detecting
  • G01V 1/46 - Data acquisition
  • G01V 1/52 - Structural details

16.

INSPECTION INSTRUMENT WITH PROTECTIVE SHEATH FOR A HARSH FLUIDIC ENVIRONMENT

      
Application Number IB2024056882
Publication Number 2025/022235
Status In Force
Filing Date 2024-07-16
Publication Date 2025-01-30
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Hope, Jay Roderick
  • Manders, Graham
  • Halpenny-Mason, Michael
  • Mair, Tania
  • Daddey, Ernest Ohene Koranteng
  • Vandenberg, Connor
  • Malacko, Orrin
  • Jordan, Jeffrey Scott

Abstract

Systems, devices, manufactures, and methods for the protection of an ultrasonic transducer array by a protective sheath overlying the ultrasonic transducer array. The sheath includes a thin region of a thickness near a low multiple of a quarter wavelength of an ultrasonic wave generated, or received, by the ultrasonic transducer array. For example, a low odd multiple such as 1, 3, or 5 and in some embodiments 7, or 9. The sheath may comprise fluorinated ethylene propylene (FEP), polyether ether ketone (PEEK), or VITON. In some embodiments, the sheath defines, in a part, a chamber in fluid communication with a pressure regulator. In response to a change in pressure in an environment the pressure regulator reduces the pressure difference between the chamber and the environment.

IPC Classes  ?

  • G01D 5/48 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using wave or particle radiation means
  • E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelinesProtecting measuring instruments in boreholes against heat, shock, pressure or the like
  • E21B 47/06 - Measuring temperature or pressure
  • E21B 47/017 - Protecting measuring instruments
  • G01S 7/521 - Constructional features
  • G01N 29/32 - Arrangements for suppressing undesired influences, e.g. temperature or pressure variations

17.

METHOD AND APPARATUS FOR GENERATION OF POLYNOMIAL DELAY VALUES

      
Application Number 18715758
Status Pending
Filing Date 2023-06-02
First Publication Date 2025-01-16
Owner DarkVision Technologies Inc. (Canada)
Inventor Manders, Graham T.

Abstract

Various embodiments of a method and apparatus for performing delay calculations are disclosed. In some embodiments, the delay values are used for nondestructive ultrasound imaging. The delay calculations are performed by interpolating the delay values between sampled delay values. In some embodiments, an interpolation polynomial is evaluated for each position in an interpolation region of a transducer array. In some embodiments, the delay values are computed by interpolating the polynomial coefficients. In some embodiments, higher order derivatives of the delay are integrated to compute lower order derivatives, where the derivatives are computed based on the polynomial coefficients. The process is continued until the delay function computes from the first derivatives of the delay function. The delay function is then derived by integrating the first derivative of the delay function.

IPC Classes  ?

  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01S 7/521 - Constructional features

18.

ULTRASOUND INTERCONNECT STACK AND METHOD OF MANUFACTURING SAME

      
Application Number 18702816
Status Pending
Filing Date 2022-12-15
First Publication Date 2024-12-19
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • Jordan, Jeffrey Scott

Abstract

An acoustic device and method of manufacturing same. The device may be used to inspect tubulars and parts with high resolution. The acoustic device may include a 2D ultrasonic transducer layer and an ASIC connected to each other by an array of conductive wires. A non-conductive, acoustic damping material is flowed and set around the wires. to form a thick acoustic backing layer. Manufacturing the ultrasonic transducer may involve wire bonding. Electrical Discharge Machining or supporting rigid posts on a substrate. A surface of the backing layer may be machined. plated and diced to create conductive pads to connect the transducer layer to the wires then to the ASIC.

IPC Classes  ?

  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • G01N 29/24 - Probes

19.

Pressure bulkhead for electrical conductors

      
Application Number 18201215
Grant Number 12505939
Status In Force
Filing Date 2023-05-24
First Publication Date 2024-11-28
Grant Date 2025-12-23
Owner DarkVision Technologies Inc. (Canada)
Inventor Hope, Jay Roderick

Abstract

A bulkhead system for passing conductors between a high-pressure side and a low-pressure side. The bulkhead may be used in harsh environments to pass signals or power to sensors and actuators on one side and to sensitive electronics on the other side. The conductors run through and are bonded at sides to a body, which body is supported in the direction of the pressure differential and not highly supported in other directions.

IPC Classes  ?

  • H01B 17/30 - Sealing
  • E21B 47/017 - Protecting measuring instruments
  • H01B 19/00 - Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
  • H02G 3/22 - Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
  • H02G 15/013 - Sealing means for cable inlets
  • H05K 5/06 - Hermetically-sealed casings

20.

Surface texture of manufactured parts

      
Application Number 18703718
Grant Number 12146856
Status In Force
Filing Date 2023-11-20
First Publication Date 2024-10-10
Grant Date 2024-11-19
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Manders, Graham
  • Hope, Jay Roderick

Abstract

A device and method for non-destructive testing of an object, such as a pipe, well casing, plane wing, rail track, weldment, bridge or manufactured part. A phased array of ultrasonic transducers moves relative to the part in one direction, while transmitting a steered wave in another direction to capture the texture from the object's surface. Diffuse and specular components of the received reflection signals are separated and beamformed for visualization. The object is then viewable as a 3D image with a texture map of the object's surface.

IPC Classes  ?

  • G01N 29/04 - Analysing solids
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material
  • G01N 29/44 - Processing the detected response signal

21.

ROTATABLE IMAGING SENSOR IN A WELLBORE

      
Application Number 18674961
Status Pending
Filing Date 2024-05-27
First Publication Date 2024-09-19
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • James, Matt
  • Manders, Graham

Abstract

A downhole imaging tool and method of operating the tool in a wellbore. An imaging sensor array at an end of the tool is rotatable about a longitudinal axis of the tool to image the well by sweeping out a 2D area of the well. Actuators in the tool provide rotation and/or extension of the sensor array to change perspective. An ultrasound phased-array may be used to measure and identify features of the well or objects.

IPC Classes  ?

  • G01N 29/24 - Probes
  • E21B 23/14 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01N 29/04 - Analysing solids
  • G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material

22.

Rotatable imaging sensor in a wellbore

      
Application Number 18132455
Grant Number 12066406
Status In Force
Filing Date 2023-04-10
First Publication Date 2024-08-20
Grant Date 2024-08-20
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • James, Matt
  • Manders, Graham

Abstract

A downhole imaging tool and method of operating the tool in a wellbore. An imaging sensor array at an end of the tool is rotatable about a longitudinal axis of the tool to image the well by sweeping out a 2D area of the well. Actuators in the tool provide rotation and/or extension of the sensor array to change perspective. An ultrasound phased-array may be used to measure and identify features of the well or objects.

IPC Classes  ?

  • E21B 23/14 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01N 29/04 - Analysing solids
  • G01N 29/24 - Probes
  • G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material

23.

METHOD AND APPARATUS FOR PACKAGING SYSTEM CIRCUITY AND A TRANSDUCER ARRAY

      
Document Number 03280394
Status Pending
Filing Date 2024-01-24
Open to Public Date 2024-08-08
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Manders, Graham
  • Masud, Muhammad Imran
  • Halpenny-Mason, Michael
  • Blalock, Travis
  • Liu, Joseph

IPC Classes  ?

  • G01D 11/00 - Component parts of measuring arrangements not specially adapted for a specific variable
  • G01S 7/521 - Constructional features

24.

HIGH SPEED COMPOUND IMAGING OF TUBULARS

      
Application Number 18569611
Status Pending
Filing Date 2022-06-07
First Publication Date 2024-08-08
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Zahiri Azar, Reza
  • Hope, Jay
  • Manders, Graham

Abstract

A device and method used to log images of cylindrical fluid filled tubulars with ultrasound transducers. The transducers operate as phased arrays, insonifying the conduit at plural angles. Reflections from the conduit form images that are combined to create a compound image or correct eccentricity. The frame rate is sped up by defocusing the transmitted beam. This allows the device to log very long pipelines, wells or other tubulars with very high resolution.

IPC Classes  ?

  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/04 - Analysing solids
  • G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
  • G01N 29/26 - Arrangements for orientation or scanning

25.

METHOD AND APPARATUS FOR PACKAGING SYSTEM CIRCUITY AND A TRANSDUCER ARRAY

      
Application Number IB2024050652
Publication Number 2024/161240
Status In Force
Filing Date 2024-01-24
Publication Date 2024-08-08
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Manders, Graham
  • Masud, Muhammad Imran
  • Halpenny-Mason, Michael
  • Blalock, Travis
  • Liu, Joseph

Abstract

Various embodiments of a method and apparatus for attaching a die to a transducer array are disclosed. In some embodiments, multiple dies are provided. The dies communicatively connect to a redistribution layer, which communicates with the transducer array. The redistribution layer also communicates with a substrate holding the die, and the substrate communicates with off-chip components. The redistribution layer and substrate sandwich the die. As a result, the die can be connected as a layer backing the transducer array while allowing the die to communicate with both the transducer array and off-chip components, with electrical connections (or other communication connections) on only one side of the die. Multiple transducer packages can be combined to form arbitrarily large transducer arrays.

IPC Classes  ?

  • G01D 11/00 - Component parts of measuring arrangements not specially adapted for a specific variable
  • G01S 7/521 - Constructional features

26.

MODULAR INLINE INSPECTION VEHICLE

      
Document Number 03277289
Status Pending
Filing Date 2023-12-15
Open to Public Date 2024-06-20
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor Hope, Jay Roderick

IPC Classes  ?

  • G01N 27/82 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
  • G01N 29/24 - Probes

27.

MODULAR INLINE INSPECTION VEHICLE

      
Application Number IB2023062800
Publication Number 2024/127357
Status In Force
Filing Date 2023-12-15
Publication Date 2024-06-20
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor Hope, Jay Roderick

Abstract

An Inline Inspection Tool is provided to image a pipeline as it travels through it, in order to assess damage of the pipeline, such as cracks, leaks and weld problems. The tool is created from several stacked sensor modules removably connected to each other. Each module provides imaging of a certain section of the pipeline and then multiple imaged sections may be combined to visualize the entire pipeline. This creates a versatile tool that can be customized onsite for each job, using different sensors or imaging modes.

IPC Classes  ?

  • G01N 37/00 - Details not covered by any other group of this subclass
  • G01N 27/82 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
  • G01N 29/24 - Probes

28.

SURFACE TEXTURE OF MANUFACTURED PARTS

      
Application Number IB2023061705
Publication Number 2024/110848
Status In Force
Filing Date 2023-11-20
Publication Date 2024-05-30
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Manders, Graham
  • Hope, Jay Roderick

Abstract

A device and method for non-destructive testing of an object, such as a pipe, well casing, plane wing, rail track, weldment, bridge or manufactured part. A phased array of ultrasonic transducers moves relative to the part in one direction, while transmitting a steered wave in another direction to capture the texture from the object's surface. Diffuse and specular components of the received reflection signals are separated and beamformed for visualization. The object is then viewable as a 3D image with a texture map of the object's surface.

IPC Classes  ?

  • G01S 7/52 - Details of systems according to groups , , of systems according to group

29.

SURFACE TEXTURE OF MANUFACTURED PARTS

      
Document Number 03270538
Status In Force
Filing Date 2023-11-20
Open to Public Date 2024-05-30
Grant Date 2025-12-09
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Manders, Graham
  • Hope, Jay Roderick

Abstract

A device and method for non-destructive testing of an object, such as a pipe, well casing, plane wing, rail track, weldment, bridge or manufactured part. A phased array of ultrasonic transducers moves relative to the part in one direction, while transmitting a steered wave in another direction to capture the texture from the object’s surface. Diffuse and specular components of the received reflection signals are separated and beamformed for visualization. The object is then viewable as a 3D image with a texture map of the object’s surface.

IPC Classes  ?

  • G01S 7/52 - Details of systems according to groups , , of systems according to group

30.

METHOD AND SYSTEM FOR CHARACTERIZING PERFORATIONS IN A TUBULAR

      
Application Number 18385911
Status Pending
Filing Date 2023-11-01
First Publication Date 2024-05-09
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Handa, Gaurav
  • Hari, Sindhu
  • Zhao, Mengliu

Abstract

Methods and system of characterizing perforations in a tubular. An imaging tool having an acoustic imaging probe transmits waves and receives acoustic reflections from the tubular. Image segments are processed from the acoustic data. A first trained neural network operates on the image segments to identify processed image segments containing a perforation. A second trained neural network operates on processed image segments containing a perforation to output the location of perforations along the tubular. Another trained neural network can calculate a geometric size of the perforations, such as their size or points along their contour.

IPC Classes  ?

  • G06T 7/00 - Image analysis
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G06T 7/11 - Region-based segmentation
  • G06T 7/60 - Analysis of geometric attributes
  • G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
  • G06V 10/77 - Processing image or video features in feature spacesArrangements for image or video recognition or understanding using pattern recognition or machine learning using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]Blind source separation
  • G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
  • G06V 20/70 - Labelling scene content, e.g. deriving syntactic or semantic representations

31.

METHOD AND APPARATUS FOR GENERATION OF POLYNOMIAL DELAY VALUES

      
Document Number 03257951
Status Pending
Filing Date 2023-06-02
Open to Public Date 2023-12-14
Owner DarkVision Technologies Inc. (Canada)
Inventor Manders, Graham

Abstract

Various embodiments of a method and apparatus for performing delay calculations are disclosed. In some embodiments, the delay values are used for nondestructive ultrasound imaging. The delay calculations are performed by interpolating the delay values between sampled delay values. In some embodiments, an interpolation polynomial is evaluated for each position in an interpolation region of a transducer array. In some embodiments, the delay values are computed by interpolating the polynomial coefficients. In some embodiments, higher order derivatives of the delay are integrated to compute lower order derivatives, where the derivatives are computed based on the polynomial coefficients. The process is continued until the delay function computes from the first derivatives of the delay function. The delay function is then derived by integrating the first derivative of the delay function.

IPC Classes  ?

  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G06V 10/12 - Details of acquisition arrangementsConstructional details thereof

32.

METHOD AND APPARATUS FOR GENERATION OF POLYNOMIAL DELAY VALUES

      
Application Number IB2023055686
Publication Number 2023/237988
Status In Force
Filing Date 2023-06-02
Publication Date 2023-12-14
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor Manders, Graham T.

Abstract

Various embodiments of a method and apparatus for performing delay calculations are disclosed. In some embodiments, the delay values are used for nondestructive ultrasound imaging. The delay calculations are performed by interpolating the delay values between sampled delay values. In some embodiments, an interpolation polynomial is evaluated for each position in an interpolation region of a transducer array. In some embodiments, the delay values are computed by interpolating the polynomial coefficients. In some embodiments, higher order derivatives of the delay are integrated to compute lower order derivatives, where the derivatives are computed based on the polynomial coefficients. The process is continued until the delay function computes from the first derivatives of the delay function. The delay function is then derived by integrating the first derivative of the delay function.

IPC Classes  ?

  • G06V 10/12 - Details of acquisition arrangementsConstructional details thereof
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

33.

Intelligent localized high-resolution imaging of tubulars

      
Application Number 18224589
Grant Number 12010441
Status In Force
Filing Date 2023-07-21
First Publication Date 2023-11-09
Grant Date 2024-06-11
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Robinson, Stephen E
  • Kolb, Kurt

Abstract

A device and method used to image wells and other fluid-carrying tubulars having localized features of interest. The device scans large areas of the tubular first in a low-resolution mode using an ultrasound sensor and in a high-resolution mode using a camera, then identifies areas that contain those localized features with some probability. The device images are stored for further image processing. The two sensors are axially spaced-apart on the device. A computer remote from the imaging device renders a visualization of the tubular and localized features using the optical and ultrasound images.

IPC Classes  ?

  • H04N 23/951 - Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01N 21/88 - Investigating the presence of flaws, defects or contamination
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/07 - Analysing solids by measuring propagation velocity or propagation time of acoustic waves
  • G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material
  • G01N 29/44 - Processing the detected response signal
  • G01S 7/52 - Details of systems according to groups , , of systems according to group
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • H04N 23/45 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
  • H04N 23/50 - Constructional details

34.

Advanced optical imaging of tubulars

      
Application Number 18119836
Grant Number 12378870
Status In Force
Filing Date 2023-03-10
First Publication Date 2023-11-09
Grant Date 2025-08-05
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Luu, Timothy
  • Manders, Graham
  • Nesbitt, Damian

Abstract

A device and method used to inspect wellbores, cased or uncased using cameras. Improvements in downhole optical imaging are provided using telecentric lens, prisms and mirrors, or structured lighting. Stereoscopic arrangements and ultrasound sensor may provide 3D or contour information. The images are stored on the tool and analyzed later. The present tool overcomes the deficiencies currently experience by downhole camera operators, such as poor scale and perspective.

IPC Classes  ?

  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • H04N 23/50 - Constructional details

35.

USING AN ACOUSTIC TOOL TO IDENTIFY EXTERNAL DEVICES MOUNTED TO A TUBULAR

      
Application Number 18133553
Status Pending
Filing Date 2023-04-12
First Publication Date 2023-11-09
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Luu, Timothy
  • Mahmoud, Anas

Abstract

A method, imaging tool and computer system for locating external devices mounted to a tubular in a wellbore. The identification of devices, such as cable clamps, enables other tools in the string to operate more precisely. A computer model is used to locate the devices from acoustic images, which images are acquired using a downhole imaging tool having an acoustic sensor or acoustic array. The model may be a classifier, which may be machine trained to classify whether a device is present, its location and its orientation. Automating this locating enables very long wellbores to be processed quickly.

IPC Classes  ?

36.

INDUSTRIAL ULTRASONIC INSPECTION WITH SPARSE RECEIVE

      
Application Number IB2023053173
Publication Number 2023/194850
Status In Force
Filing Date 2023-03-30
Publication Date 2023-10-12
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor Halpenny-Mason, Michael

Abstract

An ultrasonic inspection device and method of inspecting parts is disclosed that uses significantly less memory and power with little drop in image quality. The device transmits on a full aperture of ultrasonic elements in a phased array but receives on only a fraction of that aperture. The device may be used downhole, in pipeline inspection or Non-Destructive Testing of manufactured parts.

IPC Classes  ?

  • G01S 7/52 - Details of systems according to groups , , of systems according to group

37.

INDUSTRIAL ULTRASONIC INSPECTION WITH SPARSE RECEIVE

      
Document Number 03247771
Status Pending
Filing Date 2023-03-30
Open to Public Date 2023-10-12
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor Halpenny-Mason, Michael

Abstract

An ultrasonic inspection device and method of inspecting parts is disclosed that uses significantly less memory and power with little drop in image quality. The device transmits on a full aperture of ultrasonic elements in a phased array but receives on only a fraction of that aperture. The device may be used downhole, in pipeline inspection or Non-Destructive Testing of manufactured parts.

IPC Classes  ?

  • G01S 7/52 - Details of systems according to groups , , of systems according to group

38.

EFFICIENT STORAGE OF HIGH-RESOLUTION INDUSTRIAL ULTRASONIC DATA

      
Application Number 18102087
Status Pending
Filing Date 2023-01-27
First Publication Date 2023-07-27
Owner DarkVision Technologies Inc. (Canada)
Inventor Zahiri Azar, Reza

Abstract

A method and device for processing ultrasonic data from an industrial inspection device. Ultrasonic reflections from a high-resolution phased array are sampled at high-frequency to create a large volume of data. The data are converted to I/Q data and compressed to a manageable size. An external computer can beamform and render an image without restoring the compressed data to raw form. This method may be used for in-line inspection, downhole inspection, or ultrasonic testing.

IPC Classes  ?

  • H04N 19/625 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
  • G06T 7/00 - Image analysis

39.

EFFICIENT STRORAGE OF HIGH-RESOLUTION INDUSTRIAL ULTRASONIC DATA

      
Document Number 03187667
Status Pending
Filing Date 2023-01-26
Open to Public Date 2023-07-27
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Zahiri Azar, Reza

Abstract

A method and device for processing ultrasonic data from an industrial inspection device. Ultrasonic reflections from a high-resolution phased array are sampled at high-frequency to create a large volume of data. The data are converted to I/Q data and compressed to a manageable size. An external computer can beamform and render an image without restoring the compressed data to raw form. This method may be used for in-line inspection, downhole inspection, or ultrasonic testing.

IPC Classes  ?

  • G01S 7/52 - Details of systems according to groups , , of systems according to group
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

40.

Device and method to image flow in oil and gas wells using phased array doppler ultrasound

      
Application Number 18118138
Grant Number 12129753
Status In Force
Filing Date 2023-03-07
First Publication Date 2023-06-29
Grant Date 2024-10-29
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

A device and method for imaging, measuring and identifying multiphase fluid flow in wellbores using phased array Doppler ultrasound. The device includes a radially-configured or ring-shaped ultrasound transducer that when deployed in a well in Doppler mode can measure the velocity of radially flowing fluids in the wellbore and generate a 3D image of radial flow in the wellbore, including flowback into the wellbore after fracturing operations, or flow leaving the wellbore during water injection operations. The ring-shaped ultrasound transducer can also simultaneously operate in a B-mode to generate a B-mode image of the wellbore liner upon which the Doppler image can be overlaid. The device may also include a forward facing ultrasound transducer either instead of or in place of the ring-shaped transducer for obtaining information and images on axial flow in the wellbore in Doppler mode, and the location of phase boundaries and phase locations in B-mode.

IPC Classes  ?

  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • E21B 43/26 - Methods for stimulating production by forming crevices or fractures
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01F 1/663 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
  • G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
  • G01S 15/88 - Sonar systems specially adapted for specific applications
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • E21B 43/11 - PerforatorsPermeators

41.

ULTRASOUND INTERCONNECT STACK AND METHOD OF MANUFACTURING SAME

      
Document Number 03241243
Status Pending
Filing Date 2022-12-15
Open to Public Date 2023-06-22
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Halpenny-Mason, Michael
  • Jordan, Jeffrey Scott

Abstract

An acoustic device and method of manufacturing same. The device may be used to inspect tubulars and parts with high resolution. The acoustic device may include a 2D ultrasonic transducer layer and an ASIC connected to each other by an array of conductive wires. A non-conductive, acoustic damping material is flowed and set around the wires, to form a thick acoustic backing layer. Manufacturing the ultrasonic transducer may involve wire bonding, Electrical Discharge Machining or supporting rigid posts on a substrate. A surface of the backing layer may be machined, plated and diced to create conductive pads to connect the transducer layer to the wires then to the ASIC.

IPC Classes  ?

42.

ULTRASOUND INTERCONNECT STACK AND METHOD OF MANUFACTURING SAME

      
Application Number IB2022062277
Publication Number 2023/111926
Status In Force
Filing Date 2022-12-15
Publication Date 2023-06-22
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • Jordan, Jeffrey Scott

Abstract

An acoustic device and method of manufacturing same. The device may be used to inspect tubulars and parts with high resolution. The acoustic device may include a 2D ultrasonic transducer layer and an ASIC connected to each other by an array of conductive wires. A non-conductive, acoustic damping material is flowed and set around the wires, to form a thick acoustic backing layer. Manufacturing the ultrasonic transducer may involve wire bonding, Electrical Discharge Machining or supporting rigid posts on a substrate. A surface of the backing layer may be machined, plated and diced to create conductive pads to connect the transducer layer to the wires then to the ASIC.

IPC Classes  ?

43.

Ultrasonic inspection of complex surfaces

      
Application Number 17960820
Grant Number 12285292
Status In Force
Filing Date 2022-10-06
First Publication Date 2023-04-27
Grant Date 2025-04-29
Owner DarkVision Technologies Inc. (Canada)
Inventor Hope, Jay Roderick

Abstract

A device and method used to log images of target objects with ultrasound transducers. The object may be a fluid-carrying tubular, such as a pipeline. The transducers operate as phased arrays, insonifying areas of the target object with a plane wave and then storing the reflected signals. The signals are sampled and summed for each pixel, by considering various paths taken by the wave from transmitting to receiving via that pixel. Refraction and reflection from surfaces are used to determine segments of the paths.

IPC Classes  ?

  • A61B 8/00 - Diagnosis using ultrasonic, sonic or infrasonic waves
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

44.

ULTRASONIC INSPECTION OF COMPLEX SURFACES

      
Document Number 03178946
Status In Force
Filing Date 2022-10-12
Open to Public Date 2023-04-21
Grant Date 2025-08-05
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Hope, Jay Roderick

Abstract

A device and method used to log images of target objects with ultrasound transducers. The object may be a fluid-carrying tubular, such as a pipeline. The transducers operate as phased arrays, insonifying areas of the target object with a plane wave and then storing the reflected signals. The signals are sampled and summed for each pixel, by considering various paths taken by the wave from transmitting to receiving via that pixel. Refraction and reflection from surfaces are used to determine segments of the paths.

IPC Classes  ?

  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

45.

DARKVISION

      
Application Number 223892600
Status Registered
Filing Date 2023-02-09
Registration Date 2026-06-05
Owner DarkVision Technologies Inc. (Canada)
NICE Classes  ?
  • 07 - Machines and machine tools
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

(1) Hand-held industrial inspection tools for measuring, characterizing, logging, and monitoring of machinery and structures for metal loss, cracks, geometric faults and flaws, materials faults and flows and crack propagation of wellbores and pipelines in the gas and oil industry. (1) Engineering and consulting services thereto in the fields of oil and gas wellbore inspection, wellbore evaluation, locating obstructions, defects in tubulars; Wellbore operations, namely, performing oil well diagnostics related to fishing, inspection; Providing online non-downloadable software for visualizing wellbores, tubulars, and objects or defects therein; Nonmedical ultrasound imaging services in connection with oil and gas, well completion and well production; Providing engineering information about wellbore conditions, perforation characterization, oil production; Pipeline inspection services; Software as a service for analyzing data related to pipeline inspection, namely metal loss, cracks, geometric faults and flaws; inspection, surveying, analyzing, and testing services of metal, cracks and geometric faults of wellbores for defects in pipes, joints, pipelines and ducts for the oil and gas industries.

46.

DARKVISION

      
Serial Number 97786049
Status Registered
Filing Date 2023-02-08
Registration Date 2025-09-23
Owner DarkVision Technologies Inc. (Canada)
NICE Classes  ? 42 - Scientific, technological and industrial services, research and design

Goods & Services

Engineering and consulting services thereto in the fields of oil and gas wellbore inspection, wellbore evaluation, locating obstructions, defects in tubulars; Wellbore operations, namely, performing oil well diagnostics related to fishing, inspection; Providing online nondownloadable software for visualizing wellbores, tubulars, and objects or defects therein; Nonmedical ultrasound imaging services in connection with oil and gas, well completion and well production; Providing engineering information about wellbore conditions, perforation characterization, oil production; Pipeline inspection services; inspection, surveying, analyzing, and testing services of metal, cracks and geometric faults related to defects in pipes, joints, pipelines and ducts

47.

HIGH SPEED COMPOUND IMAGING OF TUBULARS

      
Application Number IB2022055284
Publication Number 2022/269395
Status In Force
Filing Date 2022-06-07
Publication Date 2022-12-29
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Zahiri Azar, Reza
  • Hope, Jay
  • Manders, Graham

Abstract

A device and method used to log images of cylindrical fluid filled tubulars with ultrasound transducers. The transducers operate as phased arrays, insonifying the conduit at plural angles. Reflections from the conduit form images that are combined to create a compound image or correct eccentricity. The frame rate is sped up by defocussing the transmitted beam. This allows the device to log very long pipelines, wells or other tubulars with very high resolution.

IPC Classes  ?

  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

48.

Machine learning model for measuring perforations in a tubular

      
Application Number 17830334
Grant Number 12626504
Status In Force
Filing Date 2022-06-02
First Publication Date 2022-12-29
Grant Date 2026-05-12
Owner DarkVision Technologies Inc. (USA)
Inventor Khallaghi, Siavash

Abstract

A method and instruction memory for processing acoustic images of a downhole casing to determine perforations of the tubular. The images may be acquired by an acoustic logging tool deployed into cased well. A Machine Learning model is trained to recognize regions of the acoustic images that are perforations or not, in order to calculate geometric properties of the perforation and overall casing. Renderings of the imaged casing may be overlaid with contours and properties of perforations to improve perforation, fracturing and producing operations.

IPC Classes  ?

  • G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
  • G06T 7/136 - SegmentationEdge detection involving thresholding
  • G06T 7/143 - SegmentationEdge detection involving probabilistic approaches, e.g. Markov random field [MRF] modelling
  • G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
  • G06V 20/10 - Terrestrial scenes

49.

Acoustic transducer and method of manufacturing

      
Application Number 17765841
Grant Number 12569884
Status In Force
Filing Date 2020-10-13
First Publication Date 2022-10-27
Grant Date 2026-03-10
Owner DarkVision Technologies Inc (USA)
Inventor
  • Hope, Jay
  • Manders, Graham
  • Vandenberg, Connor
  • Rose, Jacob William

Abstract

An acoustic transducer array and method of making same. A first metal layer is deposited on a first side of a piezoelectric composite to form a common electrode and a second metal layer is provided over the obverse side. Portions of the second metal layer are removed to create a plurality of individual electrodes. A third metal layer may be deposited onto the plurality of individual electrodes, the third metal layer being thicker than the second metal layer. The individual electrodes extend beyond the piezoelectric composite in the elevation direction to create electrode leads. Metal layers may be provided by lithography, a wireframe or a foil sheet.

IPC Classes  ?

  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • H03H 3/08 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
  • E21B 47/002 - Survey of boreholes or wells by visual inspection

50.

DEVICES AND METHODS FOR IMAGING WELLS USING PHASED ARRAY ULTRASOUND

      
Application Number 17722389
Status Pending
Filing Date 2022-04-18
First Publication Date 2022-07-28
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

Methods and devices for imaging wells using phased array ultrasound imaging devices is described. The devices enable high resolution real-time imaging of a well during various operations in the well, including during completions, fracturing, milling, fishing and drilling operations. The phased array ultrasound imaging devices may be integrated with other well tools, such as a bottom hole assembly (BHA), fishing tools, milling tools, fracturing tools, and drilling tools, in order to integrate imaging capabilities into such tools.

IPC Classes  ?

  • E21B 47/16 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the drill string or casing
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • E21B 47/09 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes
  • G01V 1/46 - Data acquisition
  • G01V 1/50 - Analysing data
  • G01V 1/52 - Structural details

51.

Machine learning model for identifying surfaces in a tubular

      
Application Number 17540251
Grant Number 11983860
Status In Force
Filing Date 2021-12-02
First Publication Date 2022-07-07
Grant Date 2024-05-14
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Mahmoud, Anas
  • Khallaghi, Siavash

Abstract

A method and instruction memory for processing acoustic images of a tubular to determine the surface of the tubular. The images may be acquired by an acoustic logging tool deployed into a pipe or well. A Machine Learning model is trained to recognize regions of the acoustic images that are internal to the tubular or not, in order to determine surface pixels. The surface pixels may be rendered to create visualizations of the tubular where noise and non-surface features are filtered out automatically.

IPC Classes  ?

  • G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
  • G06T 7/00 - Image analysis

52.

MACHINE LEARNING MODEL FOR IDENTIFYING SURFACES IN A TUBULAR

      
Document Number 03143180
Status In Force
Filing Date 2021-12-20
Open to Public Date 2022-07-04
Grant Date 2023-06-13
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Mahmoud, Anas
  • Khallagi, Siavash

Abstract


A method and instruction memory for processing acoustic images of a tubular to
determine
the surface of the tubular. The images may be acquired by an acoustic logging
tool
deployed into a pipe or well. A Machine Learning model is trained to recognize
regions of
the acoustic images that are internal to the tubular or not, in order to
determine surface
pixels. The surface pixels may be rendered to create visualizations of the
tubular where
noise and non-surface features are filtered out automatically .

IPC Classes  ?

  • E21B 47/00 - Survey of boreholes or wells
  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G06N 3/02 - Neural networks

53.

Precise registration of images of tubulars

      
Application Number 17519578
Grant Number 12013458
Status In Force
Filing Date 2021-11-05
First Publication Date 2022-06-09
Grant Date 2024-06-18
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • Vandenberg, Connor
  • Wong, Kelvin

Abstract

A device and method used to image conduits, such as pipes, wellbores and tubulars, with imaging sensors, such as cameras and ultrasound arrays. The speed and location of the device are determined using one or more speed sensor modules. Images are then registered to more precise axial locations along the conduit than are normally possible using wireline encoders or other methods. The conduit may be visualized to proper scale for improved analysis of defects.

IPC Classes  ?

  • G01S 15/00 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
  • G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
  • G01S 15/86 - Combinations of sonar systems with lidar systemsCombinations of sonar systems with systems not using wave reflection
  • H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

54.

PRECISE REGISTRATION OF IMAGES OF TUBULARS

      
Document Number 03136041
Status In Force
Filing Date 2021-10-27
Open to Public Date 2022-06-07
Grant Date 2023-12-12
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Wong, Kelvin
  • Halpenny-Mason, Michael
  • Vandenberg, Connor

Abstract

A device and method used to image conduits, such as pipes, wellbores and tubulars, with imaging sensors, such as cameras and ultrasound arrays. The speed and location of the device are determined using one or more speed sensor modules. Images are then registered to more precise axial locations along the conduit than are normally possible using wireline encoders or other methods. The conduit may be visualized to proper scale for improved analysis of defects.

IPC Classes  ?

  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
  • G03B 37/00 - Panoramic or wide-screen photographyPhotographing extended surfaces, e.g. for surveyingPhotographing internal surfaces, e.g. of pipe

55.

Measuring sealing quality of connections in downhole casings

      
Application Number 17373822
Grant Number 12399276
Status In Force
Filing Date 2021-07-13
First Publication Date 2022-02-03
Grant Date 2025-08-26
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Manders, Graham T.
  • Kolb, Kurt
  • Law, Jacob

Abstract

A method and system for inspecting casings in a wellbore to determine a mechanical or sealing quality of casing connections. Casing connections may become mechanically weak or start to leak after some period of use in harsh conditions. A radial array of ultrasound transducers images the casing in-situ to create an ultrasound image, which is analyzed to detect the casing connector then analyzed a sealing band of the connector. Machine learning and image processing methods may be used to analyze the images.

IPC Classes  ?

  • G01S 15/88 - Sonar systems specially adapted for specific applications
  • E21B 17/08 - Casing joints
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 47/007 - Measuring stresses in a pipe string or casing
  • G01M 3/00 - Investigating fluid tightness of structures
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G06F 16/215 - Improving data qualityData cleansing, e.g. de-duplication, removing invalid entries or correcting typographical errors
  • G06F 16/587 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
  • G06F 18/214 - Generating training patternsBootstrap methods, e.g. bagging or boosting
  • G06N 3/04 - Architecture, e.g. interconnection topology
  • G06N 3/08 - Learning methods
  • G06T 7/00 - Image analysis
  • G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
  • G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
  • G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
  • G06V 20/10 - Terrestrial scenes

56.

Device and method to image flow in oil and gas wells using phased array doppler ultrasound

      
Application Number 17389918
Grant Number 11619125
Status In Force
Filing Date 2021-07-30
First Publication Date 2021-11-18
Grant Date 2023-04-04
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

A device and method for imaging, measuring and identifying multiphase fluid flow in wellbores using phased array Doppler ultrasound. The device includes a radially-configured or ring-shaped ultrasound transducer that when deployed in a well in Doppler mode can measure the velocity of radially flowing fluids in the wellbore and generate a 3D image of radial flow in the wellbore, including flowback into the wellbore after fracturing operations, or flow leaving the wellbore during water injection operations. The ring-shaped ultrasound transducer can also simultaneously operate in a B-mode to generate a B-mode image of the wellbore liner upon which the Doppler image can be overlaid. The device may also include a forward facing ultrasound transducer either instead of or in place of the ring-shaped transducer for obtaining information and images on axial flow in the wellbore in Doppler mode, and the location of phase boundaries and phase locations in B-mode.

IPC Classes  ?

  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01S 15/88 - Sonar systems specially adapted for specific applications
  • G01F 1/663 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
  • G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 43/11 - PerforatorsPermeators
  • E21B 43/26 - Methods for stimulating production by forming crevices or fractures

57.

ACOUSTIC SURFACE IMAGING USING TIME OF FLIGHT

      
Document Number 03071018
Status In Force
Filing Date 2020-02-05
Open to Public Date 2021-08-05
Grant Date 2023-03-21
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Halpenny, Mike
  • Manders, Graham

Abstract

A system, device and method for imaging, measuring and identifying surface features in a tubular, such as a casing, wellbore, or pipe. The device comprises an ultrasound transducer for sonifying an area of the surface of the tubular, with a pulse intercepting axial locations of the sonified area at different times. Reflected signals are processed using their time of flight to interpret the reflected signals as axial locations of features on the surface of the tubular. Multiple sonified areas are partially overlapped in the axial direction to capture features redundantly. Reflections from the multiple areas are combined to remove noise and strengthen reflections from real features. A geometric model of the surface of the tubular is rendered and displayed. Capturing larger areas per frame increases the logging rate and oversampling improves the resolution and signal to noise ratio.

IPC Classes  ?

  • E21B 47/00 - Survey of boreholes or wells
  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means

58.

Accurate rendering of acoustic images

      
Application Number 17151321
Grant Number 11542807
Status In Force
Filing Date 2021-01-18
First Publication Date 2021-07-29
Grant Date 2023-01-03
Owner DarkVision Technologies Inc (Canada)
Inventor Zillinger, Eric

Abstract

A device, system and method to process acoustic images of tubulars and wellbores. Corrections for real-world logging are calculated and stored in correction Look Up Tables (LUT), which are used to display projections or create geometric models of the wellbore or tubular. The user interface allows the user to interact with the projections to update the LUTs to operate on the images. This process helps correct for real-world challenges such as tool eccentricity, tool rotation, tool angle, and speed of sound differences in order to create a more intuitive rendering.

IPC Classes  ?

59.

ACCURATE RENDERING OF ACOUSTIC IMAGES

      
Document Number 03105688
Status In Force
Filing Date 2021-01-12
Open to Public Date 2021-07-23
Grant Date 2023-06-06
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Zillinger, Eric

Abstract

A device, system and method to process acoustic images of tubulars and wellbores. Corrections for real-world logging are calculated and stored in correction Look Up Tables (LUT), which are used to display projections or create geometric models of the wellbore or tubular. The user interface allows the user to interact with the projections to update the LUTs to operate on the images. This process helps correct for real-world challenges such as tool eccentricity, tool rotation, tool angle, and speed of sound differences in order to create a more intuitive rendering.

IPC Classes  ?

  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic

60.

Using an acoustic device to identify external apparatus mounted to a tubular

      
Application Number 17091271
Grant Number 11733380
Status In Force
Filing Date 2020-11-06
First Publication Date 2021-05-13
Grant Date 2023-08-22
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Luu, Timothy
  • Mahmoud, Anas

Abstract

A method, apparatus and system for locating external apparatus mounted to a tubular in a wellbore. The identification of apparatus, such as cable clamps, enables other tools in the string to operate more precisely. A computer model is used to locate the apparatus from acoustic images, which images are acquired using a downhole device having an acoustic sensor or acoustic array. The model may be a classifier, which may be machine trained to classify whether an apparatus is present, its location and its orientation. Automating this locating enables very long wellbores to be processed quickly.

IPC Classes  ?

  • G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
  • G01S 15/88 - Sonar systems specially adapted for specific applications
  • G06F 16/587 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
  • G06F 16/215 - Improving data qualityData cleansing, e.g. de-duplication, removing invalid entries or correcting typographical errors
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G06N 3/04 - Architecture, e.g. interconnection topology
  • G06N 3/08 - Learning methods
  • E21B 47/007 - Measuring stresses in a pipe string or casing
  • E21B 17/08 - Casing joints
  • G01M 3/00 - Investigating fluid tightness of structures
  • G06T 7/00 - Image analysis
  • G06F 18/214 - Generating training patternsBootstrap methods, e.g. bagging or boosting
  • G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
  • G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
  • G06V 20/10 - Terrestrial scenes

61.

USING AN ACOUSTIC DEVICE TO IDENTIFY EXTERNAL APPARATUS MOUNTED TO A TUBULAR

      
Document Number 03098183
Status In Force
Filing Date 2020-11-05
Open to Public Date 2021-05-08
Grant Date 2023-11-21
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Luu, Tim
  • Mahmoud, Anas

Abstract

Luu et al. Identifying External Apparatus ABSTRACT A method, apparatus and system for locating external apparatus mounted to a tubular in a wellbore. The identification of apparatus, such as cable clamps, enables other tools in the string to operate more precisely. A computer model is used to locate the apparatus from acoustic images, which images are acquired using a downhole device having an acoustic sensor or acoustic array. The model may be a classifier, which may be machine trained to classify whether an apparatus is present, its location and its orientation. Automating this locating enables very long wellbores to be processed quickly. 23 Date Recue/Date Received 2020-11-05

IPC Classes  ?

  • E21B 47/095 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes by detecting acoustic anomalies, e.g. using mud-pressure pulses

62.

ACOUSTIC TRANSDUCER AND METHOD OF MANUFACTURING

      
Application Number IB2020059611
Publication Number 2021/074792
Status In Force
Filing Date 2020-10-13
Publication Date 2021-04-22
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Hope, Jay
  • Manders, Graham
  • Vandenberg, Connor
  • Rose, Jacob William

Abstract

An acoustic transducer array and method of making same. A first metal layer is deposited on a first side of a piezoelectric composite to form a common electrode and a second metal layer is provided over the obverse side. Portions of the second metal layer are removed to create a plurality of individual electrodes. A third metal layer may be deposited onto the plurality of individual electrodes, the third metal layer being thicker than the second metal layer. The individual electrodes extend beyond the piezoelectric composite in the elevation direction to create electrode leads. Metal layers may be provided by lithography, a wireframe or a foil sheet.

IPC Classes  ?

  • G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
  • A61B 8/00 - Diagnosis using ultrasonic, sonic or infrasonic waves
  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
  • G01S 7/52 - Details of systems according to groups , , of systems according to group

63.

Surface extraction for ultrasonic images using path energy

      
Application Number 17035796
Grant Number 11378550
Status In Force
Filing Date 2020-09-29
First Publication Date 2021-04-08
Grant Date 2022-07-05
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Rae, Andrew J.
  • Zillinger, Eric

Abstract

A system and method used to image cylindrical fluid conduits, such as pipes, wellbores and tubulars, with ultrasound transducers then process the ultrasound images to detect edges and surfaces. The device and method compute monotonic paths through high energy pixels. Functions are used for dropping, extending and selecting an optimal path based on certain criteria, such as path length, path continuity and path energy. The selected path may be used to model and visualize the tubular along with key features, components and defects in 2D and 3D.

IPC Classes  ?

  • G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G06T 7/00 - Image analysis
  • G06V 10/22 - Image preprocessing by selection of a specific region containing or referencing a patternLocating or processing of specific regions to guide the detection or recognition

64.

Intelligent localized high-resolution imaging of tubulars

      
Application Number 17035887
Grant Number 11758291
Status In Force
Filing Date 2020-09-29
First Publication Date 2021-04-08
Grant Date 2023-09-12
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Robinson, Stephen
  • Kolb, Kurt

Abstract

A device and method used to image wells and other fluid-carrying tubulars having localized features of interest. The device scans large areas of the tubular first in a low-resolution mode, then identifies areas that contain those localized features with some probability. The device images the identified areas in a high-resolution mode and stores the images for further image processing. The device may comprise two sensors axially spaced-apart on the device, which sensors may be electromagnetic, acoustic, or cameras.

IPC Classes  ?

  • H04N 23/951 - Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01S 7/52 - Details of systems according to groups , , of systems according to group
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01N 29/07 - Analysing solids by measuring propagation velocity or propagation time of acoustic waves
  • G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
  • G01N 29/44 - Processing the detected response signal
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01N 21/88 - Investigating the presence of flaws, defects or contamination
  • H04N 23/45 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
  • H04N 23/50 - Constructional details

65.

INTELLIGENT LOCALIZED HIGH-RESOLUTION IMAGING OF TUBULARS

      
Document Number 03094233
Status In Force
Filing Date 2020-09-24
Open to Public Date 2021-04-03
Grant Date 2023-06-13
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Robinson, Stephen
  • Kolb, Kurt

Abstract


A device and method used to image wells and other fluid-carrying tubulars
having localized features
of interest. The device scans large areas of the tubular first in a low-
resolution mode, then identifies
areas that contain those localized features with some probability. The device
images the identified
areas in a high-resolution mode and stores the images for further image
processing. The device may
comprise two sensors axially spaced-apart on the device, which sensors may be
electromagnetic,
acoustic, or cameras.

IPC Classes  ?

  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01N 21/954 - Inspecting the inner surface of hollow bodies, e.g. bores
  • G01N 27/00 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
  • G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material
  • G01N 29/44 - Processing the detected response signal
  • G01N 37/00 - Details not covered by any other group of this subclass

66.

Methods and apparatus for coiled tubing inspection by ultrasound

      
Application Number 16986023
Grant Number 11920412
Status In Force
Filing Date 2020-08-05
First Publication Date 2021-02-11
Grant Date 2024-03-05
Owner DarkVision Technologies Inc. (Canada)
Inventor Manders, Graham

Abstract

A device and method used for inspecting and measuring coiled tubing, production tubing or drill pipe as it enters the well. Defects such as internal and external wall loss, cracking and deformation can be detected and quantified. The axial motion of the tubing can be measured allowing for depth measurements that are more accurate and reliable than what can be obtained using an encoder wheel system.

IPC Classes  ?

  • E21B 19/22 - Handling reeled pipe or rod units, e.g. flexible drilling pipes
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01N 29/28 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details providing acoustic coupling

67.

METHODS AND APPARATUS FOR COILED TUBING INSPECTION BY ULTRASOUND

      
Document Number 03089046
Status In Force
Filing Date 2020-08-05
Open to Public Date 2021-02-06
Grant Date 2023-04-11
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Manders, Graham

Abstract

A device and method used for inspecting and measuring coiled tubing, production tubing or drill pipe as it enters the well. Defects such as internal and external wall loss, cracking and defomiation can be detected and quantified. The axial motion of the tubing can be measured allowing for depth measurements that are more accurate and reliable than what can be obtained using an encoder wheel system.

IPC Classes  ?

  • E21B 47/00 - Survey of boreholes or wells
  • G01N 29/50 - Processing the detected response signal using auto-correlation techniques or cross-correlation techniques
  • G01P 13/00 - Indicating or recording presence or absence of movementIndicating or recording of direction of movement
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

68.

Devices and methods for imaging wells using phased array ultrasound

      
Application Number 17026984
Grant Number 11326445
Status In Force
Filing Date 2020-09-21
First Publication Date 2021-01-07
Grant Date 2022-05-10
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

Methods and devices for imaging wells using phased array ultrasound imaging devices is described. The devices enable high resolution real-time imaging of a well during various operations in the well, including during completions, fracturing, milling, fishing and drilling operations. The phased array ultrasound imaging devices may be integrated with other well tools, such as a bottom hole assembly (BHA), fishing tools, milling tools, fracturing tools, and drilling tools, in order to integrate imaging capabilities into such tools.

IPC Classes  ?

  • E21B 47/16 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the drill string or casing
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • E21B 47/09 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes
  • G01V 1/46 - Data acquisition
  • G01V 1/50 - Analysing data
  • G01V 1/52 - Structural details

69.

Compression of ultrasound data in fluid conduits

      
Application Number 16911041
Grant Number 11657540
Status In Force
Filing Date 2020-06-24
First Publication Date 2020-12-24
Grant Date 2023-05-23
Owner DarkVision Technologies Inc (Canada)
Inventor Wrinch, Steven

Abstract

A device and method used to image cylindrical fluid conduits, such as pipes, wellbores and tubulars, with ultrasound transducers then compress that data for storage or visualization. The compressed images may be stored on the tool and/or transmitted over telemetry, enabling the device to inspect and record long pipes or wells in high resolution on a single trip. This allow the ultrasound imaging tool to record much longer wells in higher resolution than would otherwise be possible. An outward-facing radial array of ultrasound transducers captures cross-sectional slices of the conduit to create frames from scan lines. The frames are compressed by applying a demodulation process and spatial conversion process to the scan lines. Video compression is applied to the to the demodulated, spatially converted ultrasound images to return compressed images.

IPC Classes  ?

  • G06T 9/00 - Image coding
  • G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
  • G06T 5/00 - Image enhancement or restoration

70.

COMPRESSION OF ULTRASOUND DATA IN FLUID CONDUITS

      
Document Number 03084638
Status In Force
Filing Date 2020-06-23
Open to Public Date 2020-12-24
Grant Date 2023-05-23
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Wrinch, Steve

Abstract

A device and method used to image cylindrical fluid conduits, such as pipes, wellbores and tubulars, with ultrasound transducers then compress that data for storage or visualization. The compressed images may be stored on the tool and / or transmitted over telemetry, enabling the device to inspect and record long pipes or wells in high resolution on a single trip. This allow the ultrasound imaging tool to record much longer wells in higher resolution than would otherwise be possible. An outward-facing radial array of ultrasound transducers captures cross-sectional slices of the conduit to create frames from scan lines. The frames are compressed by applying a demodulation process and spatial conversion process to the scan lines. Video compression is applied to the to the demodulated, spatially converted ultrasound images to return compressed images.

IPC Classes  ?

  • E21B 47/18 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid
  • G01N 29/44 - Processing the detected response signal
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

71.

Compressing ultrasound data in a downhole tool

      
Application Number 16817215
Grant Number 11795816
Status In Force
Filing Date 2020-03-12
First Publication Date 2020-09-17
Grant Date 2023-10-24
Owner DarkVision Technologies Inc. (Canada)
Inventor Wrinch, Steve

Abstract

A device and method to compress and store ultrasound data from an ultrasound logging device. The logging device is deployed in a well or pipe to be logged with one or more ultrasound transducers, preferably an array of transducers. On-board the device, are processors and memory units for convolving the ultrasound data with a wavelet transformation to generate wavelet coefficients and then compress the wavelet coefficients to generate compressed wavelet coefficients. The compressed wavelet coefficients are stored on the memory units and transferred to a remote computer once the device leaves the well or pipe.

IPC Classes  ?

  • G01V 1/48 - Processing data
  • E21B 47/14 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 17/10 - Wear protectorsCentralising devices

72.

COMPRESSING ULTRASOUND DATA IN A DOWNHOLE TOOL

      
Document Number 03075002
Status In Force
Filing Date 2020-03-09
Open to Public Date 2020-09-14
Grant Date 2021-12-14
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Wrinch, Steve

Abstract


A device and method to compress and store ultrasound data from an ultrasound
logging
device. The logging device is deployed in a well or pipe to be logged with one
or more
ultrasound transducers, preferably an array of transducers. On-board the
device, are
processors and memory units for convolving the ultrasound data with a wavelet
transformation to generate wavelet coefficients and then compress the wavelet
coefficients to generate compressed wavelet coefficients. The compressed
wavelet
coefficients are stored on the memory units and transferred to a remote
computer once
the device leaves the well or pipe.

IPC Classes  ?

  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • E21B 47/14 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
  • G01V 1/40 - SeismologySeismic or acoustic prospecting or detecting specially adapted for well-logging

73.

Acoustic surface imaging using time of flight

      
Application Number 16783060
Grant Number 11644441
Status In Force
Filing Date 2020-02-05
First Publication Date 2020-08-06
Grant Date 2023-05-09
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Manders, Graham
  • Halpenny-Mason, Michael

Abstract

A system, device and method for imaging, measuring and identifying surface features in a tubular, such as a casing, wellbore, or pipe. The device comprises an ultrasound transducer for sonifying an area of the surface of the tubular, with a pulse intercepting axial locations of the sonified area at different times. Reflected signals are processed using their time of flight to interpret the reflected signals as axial locations of features on the surface of the tubular. Multiple sonified areas are partially overlapped in the axial direction to capture features redundantly. Reflections from the multiple areas are combined to remove noise and strengthen reflections from real features. A geometric model of the surface of the tubular is rendered and displayed. Capturing larger areas per frame increases the logging rate and oversampling improves the resolution and signal to noise ratio.

IPC Classes  ?

  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/07 - Analysing solids by measuring propagation velocity or propagation time of acoustic waves
  • G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
  • G01N 29/24 - Probes
  • G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material
  • G01N 29/44 - Processing the detected response signal

74.

Correcting for eccentricity of acoustic sensors in wells and pipes

      
Application Number 16707797
Grant Number 11578591
Status In Force
Filing Date 2019-12-09
First Publication Date 2020-06-18
Grant Date 2023-02-14
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Manders, Graham

Abstract

A device and method used to correct beamforming of an acoustic phased array in cases of eccentricity of the acoustic device in a tubular. A processor calculates the eccentricity from multiple scan lines and create a geometric model of a well or pipe relative to the device. The processor may correct each scan line's focus and/or angle of incidence at a surface of the well or pipe based on the observed eccentricity.

IPC Classes  ?

  • E21B 47/14 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
  • G01V 1/48 - Processing data
  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
  • G01V 11/00 - Prospecting or detecting by methods combining techniques covered by two or more of main groups

75.

CORRECTING FOR ECCENTRICITY OF ACOUSTIC SENSORS IN WELLS AND PIPES

      
Document Number 03063567
Status In Force
Filing Date 2019-12-03
Open to Public Date 2020-06-14
Grant Date 2021-10-26
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor Graham, Manders

Abstract

A device and method used to correct beamforming of an acoustic phased array in cases of eccentricity of the acoustic device in a tubular. A processor calculates the eccentricity from multiple scan lines and create a geometric model of a well or pipe relative to the device. The processor may correct each scan line's focus and/or angle of incidence at a surface of the well or pipe based on the observed eccentricity.

IPC Classes  ?

  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 47/007 - Measuring stresses in a pipe string or casing
  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
  • G01S 7/523 - Details of pulse systems

76.

Overlapped scheduling and sorting for acoustic transducer pulses

      
Application Number 16653374
Grant Number 11573341
Status In Force
Filing Date 2019-10-15
First Publication Date 2020-04-16
Grant Date 2023-02-07
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Manders, Graham
  • Halpenny-Mason, Michael

Abstract

A device and method used to increase the resolution when imaging, measuring and inspecting wells, pipes and objects located therein. The device comprises an array of acoustic transducers that both transmit and receive acoustic signals. Scan lines may be overlapped by interlacing transmission and receiving windows thus increasing either the resolution or logging speed drastically compared to conventional approaches. The sequence of the scan lines making up an imaging frame is created by stratifying physically close lines and randomly selecting from within each stratum, preventing interference from neighboring transducers, signals and acoustic artifacts that fundamentally limit logging speed and resolution using conventional methods.

IPC Classes  ?

  • G01V 1/24 - Recording seismic data
  • G01S 7/527 - Extracting wanted echo signals
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01V 1/16 - Receiving elements for seismic signalsArrangements or adaptations of receiving elements
  • G01V 1/20 - Arrangements of receiving elements, e.g. geophone pattern
  • G01V 1/46 - Data acquisition

77.

Device and method to position an end effector in a well

      
Application Number 16539866
Grant Number 11725497
Status In Force
Filing Date 2019-08-13
First Publication Date 2020-02-20
Grant Date 2023-08-15
Owner DarkVision Technologies Inc (Canada)
Inventor
  • Halpenny-Mason, Michael
  • James, Matt
  • Manders, Graham

Abstract

A device and method for manipulating a robotic end effector in a well. Actuators manipulate the end effector independently through multiple degrees of freedom to improve the perspective of the end effector. An imaging sensor may be used to image, measure and identify features of a well and objects located therein. The sensor may be an ultrasound transducer, camera or x-ray sensor arranged radially, axial or distributed over a 2D surface. The end effector may be connected to a tool, such as a fishing tool, a welder, a milling tool, or a repair tool.

IPC Classes  ?

  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 47/017 - Protecting measuring instruments
  • G01N 23/203 - Measuring back scattering
  • G01V 3/34 - Transmitting data to recording or processing apparatusRecording data
  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • B25J 9/02 - Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian co-ordinate type
  • G01N 29/06 - Visualisation of the interior, e.g. acoustic microscopy
  • G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01V 5/12 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using gamma- or X-ray sources

78.

DEVICE AND METHOD TO POSITION AN END EFFECTOR IN A WELL

      
Document Number 03051092
Status In Force
Filing Date 2019-08-01
Open to Public Date 2020-02-16
Grant Date 2024-03-19
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • James, Matt
  • Manders, Graham

Abstract

A device and method for manipulating a robotic end effector in a well. Actuators manipulate the end effector independently thru multiple degrees of freedom to improve the perspective of the end effector. An imaging sensor may be used to image, measure and identify features of a well and objects located therein. The sensor may be an ultrasound transducer, camera or x-ray sensor arranged radially, axial or distributed over a 2D surface. The end effector may be connected to a tool, such as a fishing tool, a welder, a milling tool, or a repair tool.

IPC Classes  ?

  • B25J 11/00 - Manipulators not otherwise provided for
  • B25J 19/02 - Sensing devices
  • E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
  • E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelinesProtecting measuring instruments in boreholes against heat, shock, pressure or the like

79.

DEVICE AND METHOD TO POSITION AN END EFFECTOR IN A WELL

      
Document Number 03228909
Status Pending
Filing Date 2019-08-01
Open to Public Date 2020-02-16
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Halpenny-Mason, Michael
  • James, Matt
  • Manders, Graham

Abstract

A device and method for manipulating a robotic end effector in a well. Actuators manipulate the end effector independently thru multiple degrees of freedom to improve the perspective of the end effector. An imaging sensor may be used to image, measure and identify features of a well and objects located therein. The sensor may be an ultrasound transducer, camera or x-ray sensor arranged radially, axial or distributed over a 2D surface. The end effector may be connected to a tool, such as a fishing tool, a welder, a milling tool, or a repair tool.

IPC Classes  ?

  • E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
  • E21B 47/00 - Survey of boreholes or wells
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 47/017 - Protecting measuring instruments

80.

OVERLAPPED SCHEDULING AND SORTING FOR ACOUSTIC TRANSDUCER PULSES

      
Document Number 03057771
Status In Force
Filing Date 2019-10-07
Open to Public Date 2019-12-16
Grant Date 2020-09-29
Owner DARKVISION TECHNOLOGIES INC (Canada)
Inventor
  • Halpenny, Mike
  • Manders, Graham

Abstract

A device and method used to increase the resolution when imaging, measuring and inspecting wells, pipes and objects located therein. The device comprises an array of acoustic transducers that both transmit and receive acoustic signals. Scan lines may be overlapped by interlacing transmission and receiving windows thus increasing either the resolution or logging speed drastically compared to conventional approaches. The sequence of the scan lines making up an imaging frame is created by stratifying physically close lines and randomly selecting from within each stratum, preventing interference from neighboring transducers, signals and acoustic artifacts that fundamentally limit logging speed and resolution using conventional methods.

IPC Classes  ?

  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
  • F17D 5/00 - Protection or supervision of installations
  • G01S 15/00 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems

81.

Hades

      
Application Number 192925000
Status Registered
Filing Date 2018-11-07
Registration Date 2022-10-24
Owner DarkVision Technologies Inc. (Canada)
NICE Classes  ?
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 37 - Construction and mining; installation and repair services
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

(1) Machines for wirelining, inspecting defects, surfaces and obstructions and welding in pipes and wellbores; Tools and devices, namely robots for measuring, characterizing, logging, imaging, and monitoring of boreholes, wells, wellbores, above-ground pipes, tubulars, and near wellbore fractures. (2) Software for processing data collected from a wellbore via downhole telepresence robots and inspection instruments; Downhole telepresence robots and software for measuring, characterizing, logging, imaging, locating defects, logging while drilling, and monitoring of boreholes, wells, wellbores, above-ground pipes, tubes, and near wellbore fractures; Downhole telepresence robots and software for inspecting defects, surfaces and obstructions in the field of oil, gas, hydrocarbon formations, and water infrastructure; Software for imaging wellbores, pipes, tubulars, and objects and defects therein; Cement bond logging instruments, namely wellbore downhole survey and measurement equipment; Ultrasound imaging machine to image perforations, sliding sleeves, slotted liners, fibre cable protectors, and sand screens for use with wellbores. (1) Cement bond logging services, namely cementing services for oil and gas wells. (2) Engineering and consulting services in the fields of oil and gas drilling engineering, well integrity engineering, and fracturing engineering; Engineering and consulting services in the fields of oil and gas wellbore inspection, wellbore evaluation, locating obstructions, defects in pipes and tubulars, and logging while drilling; Technological services, namely providing technology information in the fields of oil and gas exploration, fracture analysis, well completion, well repair, and well production in the oil and gas industry; Wellbore operations in the fields of fishing, inspection, and welding, namely wellbore wirelining, wellbore logging and wellbore testing; Software for visualizing wellbores, pipes, tubulars, and objects or defects therein, namely software for processing sensor data collected from wellbores, pipes, tubulars, for measuring, characterizing, logging, imaging, locating defects, and monitoring of pipes, tubulars for inspecting defects, surfaces and obstructions in the fields of oil, gas, hydrocarbon formations, and water infrastructure; Nonmedical ultrasound imaging services for oil and gas exploration, well completion and well production, namely computer aided imaging of wellbores; Cement bond logging services, namely materials testing and evaluation of wellbores.

82.

HADES

      
Serial Number 88185172
Status Registered
Filing Date 2018-11-07
Registration Date 2023-05-30
Owner DarkVision Technologies Inc. (Canada)
NICE Classes  ? 42 - Scientific, technological and industrial services, research and design

Goods & Services

Engineering and consulting services thereto; Engineering and consulting services thereto in the fields of oil and gas wellbore inspection, wellbore evaluation, locating obstructions, defects in tubulars; Wellbore operations, namely, performing oil well diagnostics related to fishing and inspection; Providing online non-downloadable software for visualizing wellbores, tubulars, and objects or defects therein; Nonmedical ultrasound imaging services in connection with oil and gas, well completion and well production; Providing engineering information about wellbore conditions, perforation characterization, and oil production

83.

Devices and methods for imaging wells using phased array ultrasound

      
Application Number 15765106
Grant Number 10781690
Status In Force
Filing Date 2016-10-06
First Publication Date 2018-09-20
Grant Date 2020-09-22
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

Methods and devices for imaging wells using phased array ultrasound imaging devices is described. The devices enable high resolution real-time imaging of a well during various operations in the well, including during completions, fracturing, milling, fishing and drilling operations. The phased array ultrasound imaging devices may be integrated with other well tools, such as a bottom hole assembly (BHA), fishing tools, milling tools, fracturing tools, and drilling tools, in order to integrate imaging capabilities into such tools.

IPC Classes  ?

  • E21B 47/16 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the drill string or casing
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • E21B 47/09 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes
  • G01V 1/46 - Data acquisition
  • G01V 1/50 - Analysing data
  • G01V 1/52 - Structural details

84.

Ultrasonic imaging device and method for wells

      
Application Number 15737122
Grant Number 12146402
Status In Force
Filing Date 2016-06-17
First Publication Date 2018-06-07
Grant Date 2024-11-19
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Manders, Graham T.
  • Malik, Osman S.
  • Robinson, Stephen E.
  • Hope, Jay Roderick

Abstract

Methods and devices for imaging wells using ultrasound is described. The devices include a modular imaging device having a telemetry module and a radial imaging module and/or forward imaging module. The radial imaging module includes a ring shaped phased array ultrasonic transducer array for generating images on the length of a wellbore. Various lens and housing configurations for the radial imaging module are described. The forward imaging module includes an ultrasonic transducer comprising one or more elements and having an adjustable viewpoint for generating images of obstructions found in a wellbore. Advanced imaging modes for a radial imaging module include multiple aperture and spiral wave imaging mode.

IPC Classes  ?

  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • G01N 29/024 - Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
  • G01N 29/24 - Probes
  • G01N 29/26 - Arrangements for orientation or scanning
  • G01N 29/34 - Generating the ultrasonic, sonic or infrasonic waves
  • G01V 1/00 - SeismologySeismic or acoustic prospecting or detecting
  • G01V 1/46 - Data acquisition
  • G01V 1/52 - Structural details

85.

Device and method to image flow in oil and gas wells using phased array doppler ultrasound

      
Application Number 15558946
Grant Number 11092002
Status In Force
Filing Date 2016-03-15
First Publication Date 2018-03-15
Grant Date 2021-08-17
Owner DarkVision Technologies Inc. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

A device and method for imaging, measuring and identifying multiphase fluid flow in wellbores using phased array Doppler ultrasound. The device includes a radially-configured or ring-shaped ultrasound transducer that when deployed in a well in Doppler mode can measure the velocity of radially flowing fluids in the wellbore and generate a 3D image of radial flow in the wellbore, including flowback into the wellbore after fracturing operations, or flow leaving the wellbore during water injection operations. The ring-shaped ultrasound transducer can also simultaneously operate in a B-mode to generate a B-mode image of the wellbore liner upon which the Doppler image can be overlaid. The device may also include a forward facing ultrasound transducer either instead of or in place of the ring-shaped transducer for obtaining information and images on axial flow in the wellbore in Doppler mode, and the location of phase boundaries and phase locations in B-mode.

IPC Classes  ?

  • E21B 47/10 - Locating fluid leaks, intrusions or movements
  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01S 15/88 - Sonar systems specially adapted for specific applications
  • G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
  • G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
  • E21B 47/002 - Survey of boreholes or wells by visual inspection
  • E21B 43/11 - PerforatorsPermeators
  • E21B 43/26 - Methods for stimulating production by forming crevices or fractures

86.

DEVICES AND METHODS FOR IMAGING WELLS USING PHASED ARRAY ULTRASOUND

      
Document Number 02999363
Status In Force
Filing Date 2016-10-06
Open to Public Date 2017-04-13
Grant Date 2023-02-21
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

Methods and devices for imaging wells using phased array ultrasound imaging devices is described. The devices enable high resolution real-time imaging of a well during various operations in the well, including during completions, fracturing, milling, fishing and drilling operations. The phased array ultrasound imaging devices may be integrated with other well tools, such as a bottom hole assembly (BHA), fishing tools, milling tools, fracturing tools, and drilling tools, in order to integrate imaging capabilities into such tools.

IPC Classes  ?

  • E21B 47/095 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes by detecting acoustic anomalies, e.g. using mud-pressure pulses
  • G01V 1/46 - Data acquisition

87.

DEVICES AND METHODS FOR IMAGING WELLS USING PHASED ARRAY ULTRASOUND

      
Application Number CA2016051167
Publication Number 2017/059539
Status In Force
Filing Date 2016-10-06
Publication Date 2017-04-13
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

Methods and devices for imaging wells using phased array ultrasound imaging devices is described. The devices enable high resolution real-time imaging of a well during various operations in the well, including during completions, fracturing, milling, fishing and drilling operations. The phased array ultrasound imaging devices may be integrated with other well tools, such as a bottom hole assembly (BHA), fishing tools, milling tools, fracturing tools, and drilling tools, in order to integrate imaging capabilities into such tools.

IPC Classes  ?

  • G01V 1/46 - Data acquisition
  • E21B 47/095 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes by detecting acoustic anomalies, e.g. using mud-pressure pulses

88.

ULTRASONIC IMAGING DEVICE AND METHOD FOR WELLS

      
Document Number 02989439
Status In Force
Filing Date 2016-06-17
Open to Public Date 2016-12-22
Grant Date 2025-12-16
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Manders, Graham
  • Malik, Osman
  • Robinson, Stephen E.
  • Hope, Jay Roderick

Abstract

Methods and devices for imaging wells using ultrasound is described. The devices include a modular imaging device having a telemetry module and a radial imaging module and/or forward imaging module. The radial imaging module includes a ring shaped phased array ultrasonic transducer array for generating images on the length of a wellbore. Various lens and housing configurations for the radial imaging module are described. The forward imaging module includes an ultrasonic transducer comprising one or more elements and having an adjustable viewpoint for generating images of obstructions found in a wellbore. Advanced imaging modes for a radial imaging module include multiple aperture and spiral wave imaging mode.

IPC Classes  ?

  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
  • G01V 1/20 - Arrangements of receiving elements, e.g. geophone pattern
  • G01V 1/46 - Data acquisition
  • G01V 1/50 - Analysing data

89.

ULTRASONIC IMAGING DEVICE AND METHOD FOR WELLS

      
Application Number CA2016050716
Publication Number 2016/201583
Status In Force
Filing Date 2016-06-17
Publication Date 2016-12-22
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Manders, Graham
  • Malik, Osman
  • Robinson, Stephen E.
  • Hope, Jay Roderick

Abstract

Methods and devices for imaging wells using ultrasound is described. The devices include a modular imaging device having a telemetry module and a radial imaging module and/or forward imaging module. The radial imaging module includes a ring shaped phased array ultrasonic transducer array for generating images on the length of a wellbore. Various lens and housing configurations for the radial imaging module are described. The forward imaging module includes an ultrasonic transducer comprising one or more elements and having an adjustable viewpoint for generating images of obstructions found in a wellbore. Advanced imaging modes for a radial imaging module include multiple aperture and spiral wave imaging mode.

IPC Classes  ?

  • G01V 1/50 - Analysing data
  • E21B 47/085 - Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
  • G01V 1/20 - Arrangements of receiving elements, e.g. geophone pattern
  • G01V 1/46 - Data acquisition

90.

DEVICE AND METHOD TO IMAGE FLOW IN OIL AND GAS WELLS USING PHASED ARRAY DOPPLER ULTRASOUND

      
Document Number 02979744
Status In Force
Filing Date 2016-03-15
Open to Public Date 2016-09-22
Grant Date 2021-12-28
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

A device and method for imaging, measuring and identifying multiphase fluid flow in wellbores using phased array Doppler ultrasound. The device includes a radially- configured or ring-shaped ultrasound transducer that when deployed in a well in Doppler mode can measure the velocity of radially flowing fluids in the wellbore and generate a 3D image of radial flow in the wellbore, including flowback into the wellbore after fracturing operations, or flow leaving the wellbore during water injection operations. The ring-shaped ultrasound transducer can also simultaneously operate in a B-mode to generate a B-mode image of the wellbore liner upon which the Doppler image can be overlaid. The device may also include a forward facing ultrasound transducer either instead of or in place of the ring-shaped transducer for obtaining information and images on axial flow in the wellbore in Doppler mode, and the location of phase boundaries and phase locations in B-mode.

IPC Classes  ?

  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
  • G01S 15/50 - Systems of measurement based on relative movement of target
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging

91.

DEVICE AND METHOD TO IMAGE FLOW IN OIL AND GAS WELLS USING PHASED ARRAY DOPPLER ULTRASOUND

      
Application Number CA2016050283
Publication Number 2016/145524
Status In Force
Filing Date 2016-03-15
Publication Date 2016-09-22
Owner DARKVISION TECHNOLOGIES INC. (Canada)
Inventor
  • Malik, Osman S.
  • Manders, Graham T.
  • Robinson, Stephen E.

Abstract

A device and method for imaging, measuring and identifying multiphase fluid flow in wellbores using phased array Doppler ultrasound. The device includes a radially- configured or ring-shaped ultrasound transducer that when deployed in a well in Doppler mode can measure the velocity of radially flowing fluids in the wellbore and generate a 3D image of radial flow in the wellbore, including flowback into the wellbore after fracturing operations, or flow leaving the wellbore during water injection operations. The ring-shaped ultrasound transducer can also simultaneously operate in a B-mode to generate a B-mode image of the wellbore liner upon which the Doppler image can be overlaid. The device may also include a forward facing ultrasound transducer either instead of or in place of the ring-shaped transducer for obtaining information and images on axial flow in the wellbore in Doppler mode, and the location of phase boundaries and phase locations in B-mode.

IPC Classes  ?

  • G01S 15/50 - Systems of measurement based on relative movement of target
  • E21B 47/107 - Locating fluid leaks, intrusions or movements using acoustic means
  • G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
  • G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid