OIL STATES INDUSTRIES (UK) LIMITED (United Kingdom)
Inventor
Mcpherson, Keith
Abstract
Connector assembly (200) for connecting two pipe sections, wherein the assembly comprises a first connector element (201) for adjoining a first pipe and a second connector element (202) for adjoining a second pipe. The first and second connector elements are couplable together, wherein An outwardly facing profile of the first and second connector elements, when coupled, defines a circumferential recess (204) for a locking ring (203) for locking the first and second connector elements together. The first and second connector elements comprise engaging elements (205) for engaging with the locking ring and the first and second connector elements further comprise respective overlapping members (206, 207) for forming a lap joint when the first and second connector elements are coupled, and wherein the engaging elements (205) of at least one of the connector elements (201) extend over the region of overlap of the overlapping members (206, 207).
F16L 15/08 - Screw-threaded jointsForms of screw-threads for such joints with supplementary elements
E21B 17/043 - CouplingsJoints between rod and bit, or between rod and rod threaded with locking means
E21B 17/046 - CouplingsJoints between rod and bit, or between rod and rod with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
F16L 21/08 - Joints with sleeve or socket with additional locking means
F16L 37/138 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members using hooks, pawls, or other movable or insertable locking members using an axially movable sleeve
An improved perforating gun with novel endplates is disclosed along with a corresponding method of assembly. The endplate may include a base with first end separated from a second end separated by a curved sidewall centered around a longitudinal axis and a set of tube tabs flexibly coupled to the base and extending from the second end. The endplate may include a carrier tab with an integrated alignment pin. Selected embodiments may also include a zero-tension connector with a sliding contact mounted within a cavity of a housing, a through-wire connected to the sliding contact. The novel endplate reduces the cost and complexity of manufacture and installation.
E21B 43/119 - Details, e.g. for locating perforating place or direction
F16B 2/04 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening internal, i.e. with spreading action
A method for establishing a remote connection between a hydraulic fracturing head and hydraulic fracturing tubing line that is not reliant on personnel to manually establish a connection between the hydraulic fracturing tubing line and hydraulic fracturing head. The hydraulic fracturing tubing head is elevated above and connected to a wellbore. Next, a hydraulic fracturing tubing line is elevated to the hydraulic fracturing tubing head by connecting lines which are guided by a set of dual roller assemblies. The hydraulic fracturing tubing line is equipped with a male connector, configured to fit within a latching receptacle, which is installed on the hydraulic fracturing head. Once the male connector is seated in the latching receptacle, hydraulic pressure release closes latches on the latching receptacle, establishing a fluid connection. Once connected, hydraulic fracturing can begin.
A jacket leveling tool may comprise a substantially cylindrical central body and a plurality of hydraulic cylinders disposed about the body. Disposed about an exterior surface of the central body may be a radial skirt and radial collar, each of which may also be attached to one end of the plurality of hydraulic cylinders. A cap may be attached to an upper end of the central body, with first and second links configured to attach to connection points on an outer surface of a jacket, such that the relative vertical position of the jacket may be adjusted through the injection of hydraulic fluid into the hydraulic cylinders.
E02B 17/08 - Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
E02B 17/00 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor
5.
INTEGRATED PERFORATING GUN AND SETTING TOOL SYSTEM AND METHOD
An interchangeable module configured to be used in an integrated perforating gun and setting tool system, the interchangeable module having a body having a chamber, a first electrical connection located at a first end of the chamber, and a second electrical connection located at a second end of the chamber. The first end is opposite to the second end. An addressable switch located inside the chamber, the addressable switch has a digital address. A connection unit located inside the chamber and configured to electrically connect the addressable switch to an initiating device. The interchangeable module is configured to be used (1) between a first gun cluster and a second gun cluster and (2) between a distal gun cluster and a setting tool, and the first and second electrical connections are electrically connected to the addressable switch.
A coupled valve assembly comprises two valves disposed within separate housings and connected with a common coupling, such that a single actuator causes rotation of the valve stems within both valves. The two valves are configured 90 degrees out of phase with each other, such that the actuator will cause one valve to open at the same time it causes the other valve to close. The coupled valve assembly may be used to selectively divert the flow of production fluids from a wellbore to either a production header or a test header within a production manifold.
F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
F16K 21/08 - Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening with ball-shaped closing members
A coupled valve assembly comprises two valves disposed within separate housings and connected with a common coupling, such that a single actuator causes rotation of the valve stems within both valves. The two valves are configured 90 degrees out of phase with each other, such that the actuator will cause one valve to open at the same time it causes the other valve to close. The coupled valve assembly may be used to selectively divert the flow of production fluids from a wellbore to either a production header or a test header within a production manifold.
E21B 34/16 - Control means therefor being outside the borehole
F16K 11/02 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit
F16K 35/14 - Means to prevent accidental or unauthorised actuation interlocking two or more valves
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 11/087 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
An apparatus and methods for installation of an offshore platform for supporting equipment installations is provided. The apparatus includes a platform configured to support offshore equipment supported by a structure such as a modular column assembly. The modular column assembly can be comprised of main barrel joint bundles.
A valve for use in oil and gas production or similar applications includes a plug or other flow barrier disposed in a cavity of a hollow valve body with a metal-to-metal scaling surface that is not reliant on any rubberized or elastomeric material to effect a seal.
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 5/18 - Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
F16K 5/20 - Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
OIL STATES INDUSTRIES (UK) LIMITED (United Kingdom)
Inventor
Wilson, Kevin
Abstract
A riser (20) for a deep sea mining system (1). The riser (20) comprises a lower end (20l) and an upper end (20u). The riser (20) further comprises at least one up pipe (21) for containing a slurry mixture of mined material and carrier water pumped up from the lower end (20l) of the riser (20) to a water separation mechanism (14) disposed on a surface vessel (15) and being configured to separate the mined material and the carrier water; at least one top-up pipe (22) for containing top-up water pumped up from the lower end (20l) of the riser (20) to the surface vessel (15); and at least one down pipe (23) for containing the carrier water and the top-up water pumped down from the surface vessel (15) to the lower end (20l) of the riser (20).
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes (none being boiler tubes or parts of
machines) for use in the drilling or servicing of, or
production from, oil or gas wells; metallic pipe connections
for the aforesaid pipes; fittings for the aforesaid pipes
and parts and fittings for the aforesaid connections, all
included in this class.
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes (none being boiler tubes or parts of
machines) for use in the drilling or servicing of, or
production from, oil or gas wells; metallic pipe connections
for the aforesaid pipes; fittings for the aforesaid pipes
and parts and fittings for the aforesaid connections, all
included in this class.
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes (none being boiler tubes or parts of
machines) for use in the drilling or servicing of, or
production from, oil or gas wells; metallic pipe connections
for the aforesaid pipes; fittings for the aforesaid pipes
and parts and fittings for the aforesaid connections, all
included in this Class.
An apparatus and methods for installation of an offshore platform for supporting equipment installations is provided. The apparatus includes a platform configured to support offshore equipment supported by a structure such as a modular column assembly. The modular column assembly can be comprised of main barrel joint bundles.
A flowback tank cleaning system and method is described. A flowback tank includes a self-cleaning system. A flowback tank cleaning method may include moving solid debris collected at a bottom of a collection section of a flowback tank towards a lift auger using a cleaning auger or a conveyer belt extending along a length of the collection section, the bottom of the collection section including an angled trough, funneling solid debris towards the cleaning auger or conveyor belt by placing the cleaning auger or conveyor belt at a base of the angled trough, spraying fluid downward through a series of fluid outlets, removing the sand so moved by the cleaning auger or conveyer belt from the flowback tank using the lift auger, and removing the fluid from the flowback tank using a drain manifold below the cleaning auger or conveyer belt.
B08B 3/04 - Cleaning involving contact with liquid
B08B 3/12 - Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
B65G 33/10 - Screw or rotary spiral conveyors for fluent solid materials with non-enclosed screws
B65G 45/00 - Lubricating, cleaning, or clearing devices
B65G 45/22 - Cleaning devices comprising fluid applying means
E21B 43/34 - Arrangements for separating materials produced by the well
An apparatus and methods for installation of an offshore platform for supporting equipment installations is provided. The apparatus includes a platform configured to support offshore equipment supported by a structure such as a modular column assembly. The modular column assembly can be comprised of main barrel joint bundles.
A detonator module comprising: a housing with a first housing half and a second housing half, a detonator contained within the housing, a child board comprising a terminal header, wherein the child board is contained within the housing and the first housing half exposes the terminal header to an exterior of the housing, a switch mounted to an exterior surface of the housing, and a plurality of switch leads connecting the switch to the terminal header.
A valve for use in oil and gas production or similar applications includes a plug or other flow barrier disposed in a cavity of a hollow valve body with a metal-to-metal sealing surface that is not reliant on any rubberized or elastomeric material to effect a seal.
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 5/18 - Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
F16K 5/20 - Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes (none being boiler tubes or parts of
machines) for use in the drilling or servicing of, or
production from, oil or gas wells; metallic pipe connections
for the aforesaid pipes; fittings for the aforesaid pipes
and parts and fittings for the aforesaid connections, all
included in this class.
A housing for an electrical component of a gun system is disclosed. The housing includes a housing body, an uphole bulkhead, and a downhole bulkhead. The housing body defines a cavity. The uphole bulkhead is disposed at least partially within the cavity. The downhole bulkhead is disposed at least partially within the cavity and opposite to the uphole bulkhead. The downhole bulkhead includes an electrical contact extending between a first end and a second end of the downhole bulkhead. The cavity, the uphole bulkhead, and the second end of the downhole bulkhead define a sealed volume configured to receive and isolate the electrical component. The electrical contact is configured to be electrically connected to the electrical component.
A downhole tool for connecting and releasing portions of a tool string includes a housing; an electronics assembly; an activation mechanism; a valve assembly and a set of retainer dogs to connect and release a neck of another tool. The downhole tool may also include one or more measurement sensors for measuring a parameter and transferring one or more measured parameter values to the surface of the well.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 47/12 - 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
A magnetic sensing tool (“MST”) uses differentials in induced voltage to detect the approximate location of a ferric target tool within surface pressure control equipment associated with a wellhead. The MST comprises a transmitter coil and two receiver coils configured such that a voltage generated in the transmitter coil induces a baseline voltage, and a baseline voltage differential, in the receiver coils when no target tool is present. A target tool passing axially through the MST will disrupt the magnetic fields inducing the voltages, such that variations in the voltage differential can be used to detect the approximate location of the target tool. The MST can be deployed alone or in series depending on the requirements of detection of the target tool.
G01D 5/22 - 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 electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
G01B 7/00 - Measuring arrangements characterised by the use of electric or magnetic techniques
28.
Shaped charge load tube with integrated detonation cord retention mechanism
A loading tube is configured to receive one or more shaped charges to form a perforating gun. The loading tube includes a tubular body extending along a longitudinal axis; a cord passage formed into the tubular body; a retention cutoff formed into the tubular body and configured to receive a detonator cord; and a holding element extending into the retention cutoff and being integrally made with a wall of the tubular body, wherein the holding element is configured to hold the detonator cord into the retention cutoff. The cord passage is configured to receive the detonator cord from a bore of the tubular body and to direct the detonator cord outside the bore of the tubular body.
37 - Construction and mining; installation and repair services
Goods & Services
Motorized tools with a sensor for remotely latching equipment, monitoring oil and gas well pressure, and detecting latch positioning Installation, maintenance and rental of motorized tools with a sensor for remotely latching equipment, monitoring oil or gas well pressure, and detecting latch positioning
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
Electronic control systems for detecting, monitoring and managing wireline equipment and surface pressure control equipment used in the production of oil and gas; computer hardware for the remote activation of wireline valves, stack accumulators, and rotary latch equipment; electronic control systems for collecting and reviewing data related to wireline equipment and surface pressure control equipment used in the production of oil and gas Installation, maintenance and rental of electronic control systems used with wireline equipment and surface pressure control equipment used in the production of oil and gas; providing an internet website portal featuring data regarding oil and gas wells, namely, data from wireline equipment and surface pressure control equipment used in the production of oil and gas Platform as a service (PAAS) featuring computer software platforms for the storage and sharing of data from wireline equipment and surface pressure control equipment used in the production of oil and gas
37 - Construction and mining; installation and repair services
Goods & Services
Oil and gas wireline equipment and surface pressure control equipment used in the production of oil and gas, namely, accumulators used to control valves on a frac stack or wireline valves Installation, maintenance and rental of accumulators used to control valves on a frac stack or wireline valves
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic apparatus used for detecting and transmitting to a control center information relating to the position of wireline equipment and surface pressure control equipment used in the production of oil and gas Installation, maintenance and rental of electronic apparatus used for detecting and transmitting to a control center information relating to the position of wireline equipment and surface pressure control equipment used in the production of oil and gas
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes for use in the drilling or servicing of, or production from, oil or gas wells, and none of the aforesaid being boiler tubes or parts of machines; metallic pipe connections for the aforesaid pipes; metal fittings for the aforesaid pipes and metal parts and fittings for the aforesaid connections.
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes for use in the drilling or servicing of, or production from, oil or gas wells, and none of the aforesaid being boiler tubes or parts of machines; metallic pipe connections for the aforesaid pipes; metal fittings for the aforesaid pipes and metal parts and fittings for the aforesaid connections.
In an embodiment, a flareless well intervention method may involve cleaning a wellbore by introducing a working fluid into a wellbore, receiving the working fluid commingled with produced formation fluid, separating produced gas from the commingled fluid, and compressing at least a portion of the produced gas.
E21B 37/06 - Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting the deposition of paraffins or like substances
E21B 43/34 - Arrangements for separating materials produced by the well
A gate valve cavity reducer comprising a cavity reducer with an outer surface, a channel having an inner surface, and a plurality of bores extending through the cavity reducer body. Each of the plurality of bores extend radially from the inner surface of the cavity reducer to the outer surface of the cavity reducer. The cavity reducer is configured to be removed or inserted into a gate valve.
A perf and wash system (300) for plugging a casing and wellbore, the perf and wash system including a cleaning tool (310) having at least one nozzle (312) making a first angle with a longitudinal axis of the system; a perforating gun assembly (320) having at least one shaped charge (510) making a second angle with the longitudinal axis; and a plug (334) connected with a first end to the cleaning tool (310) and with a second end, opposite to the first end, to the perforating gun assembly (320). The first angle is substantially equal to the second angle and the first and second angles are different than 90 degrees.
A switch assembly, which is part of a chain of switch assemblies, includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator and a computing core (CC) configured to locally make a decision whether or not to activate the detonator, after receiving the fire command to activate the detonator.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Oil and gas wireline equipment and surface pressure control equipment used in the production of oil and gas, namely, hydraulic accumulators used to control valves on a frac stack or wireline valves Oil and gas wireline equipment and surface pressure control equipment used in the production of oil and gas, namely, electronic accumulators used to control valves on a frac stack or wireline valves Installation, maintenance and rental of accumulators used in the production of oil and gas to control valves on a frac stack or wireline valves
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic apparatus used for detecting and transmitting to a control center information relating to the position of wireline equipment and surface pressure control equipment used in the production of oil and gas Installation, maintenance and rental of electronic apparatus used for detecting and transmitting to a control center information relating to the position of wireline equipment and surface pressure control equipment used in the production of oil and gas
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
Electronic control systems for detecting, monitoring and managing wireline equipment and surface pressure control equipment used in the production of oil and gas; computer hardware for the remote activation of wireline valves, stack accumulators, and rotary latch equipment; electronic control systems for collecting and reviewing data related to wireline equipment and surface pressure control equipment used in the production of oil and gas Installation, maintenance and rental of electronic control systems used with wireline equipment and surface pressure control equipment used in the production of oil and gas; providing an internet website portal featuring data from wireline equipment and surface pressure control equipment used in the production of oil and gas Providing platform as a service services (PAAS), namely, providing cloud based servers for the storage and sharing of data from wireline equipment and surface pressure control equipment used in the production of oil and gas
37 - Construction and mining; installation and repair services
Goods & Services
Motorized tools with a sensor for remotely latching equipment, monitoring oil and gas well pressure, and detecting latch positioning Installation, maintenance and rental of motorized tools with a sensor for remotely latching equipment, monitoring oil or gas well pressure, and detecting latch positioning
A method for installing a valve for use in oil and gas production or similar applications includes inserting seats and biasing members into a cavity of the valve and causing the seats to moving axially apart from each other, such that the biasing members are compressed and the flow barrier of the valve may be installed between the seats.
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
An apparatus and methods for installation of an offshore platform for supporting equipment installations is provided. The apparatus includes a vertical compression assembly and a counteracting tensioning tendon system. The vertical compression assembly may comprise multiple compression members, a column truss, or other configurations. The methods of fabrication, load out, and installation provide for cost-effective port and installation vessel requirements.
An apparatus and methods for installation of an offshore platform for supporting equipment installations is provided. The apparatus includes a vertical compression assembly and a counteracting tensioning tendon system. The vertical compression assembly may comprise multiple compression members, a column truss, or other configurations.
An apparatus and methods for installation of an offshore platform for supporting equipment installations is provided. The apparatus includes a vertical compression assembly and a counteracting tensioning tendon system. The vertical compression assembly may comprise multiple compression members, a column truss, or other configurations. The methods of fabrication, load out, and installation provide for cost-effective port and installation vessel requirements.
F03D 13/25 - Arrangements for mounting or supporting wind motorsMasts or towers for wind motors specially adapted for offshore installation
E02B 17/04 - Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
E02B 17/08 - Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
B63B 21/50 - Anchoring arrangements for special vessels, e.g. for floating drilling platforms or dredgers
E02B 17/00 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor
B63B 75/00 - Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
A valve for use in oil and gas production or similar applications may include a ball disposed in a cavity of a hollow valve body and a seat comprising a curved surface with a normal component and a normal surface with a surface area larger than a projected normal surface area of the normal component of the curved surface.
F16K 5/20 - Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 5/18 - Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
49.
Integrated perforating gun and setting tool system and method
An interchangeable module configured to be used in an integrated perforating gun and setting tool system, the interchangeable module having a body having a chamber, a first electrical connection located at a first end of the chamber, and a second electrical connection located at a second end of the chamber. The first end is opposite to the second end. An addressable switch located inside the chamber, the addressable switch has a digital address. A connection unit located inside the chamber and configured to electrically connect the addressable switch to an initiating device. The interchangeable module is configured to be used (1) between a first gun cluster and a second gun cluster and (2) between a distal gun cluster and a setting tool, and the first and second electrical connections are electrically connected to the addressable switch.
An improved perforating gun with novel endplates is disclosed along with a corresponding method of assembly. The endplate may include a base with first end separated from a second end separated by a curved sidewall centered around a longitudinal axis and a set of tube tabs flexibly coupled to the base and extending from the second end. The endplate may include a carrier tab with an integrated alignment pin. Selected embodiments may also include a zero-tension connector with a sliding contact mounted within a cavity of a housing, a through-wire connected to the sliding contact. The novel endplate reduces the cost and complexity of manufacture and installation.
E21B 43/119 - Details, e.g. for locating perforating place or direction
F16B 2/04 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening internal, i.e. with spreading action
One illustrative method disclosed herein includes positioning a first tubular adjacent a second tubular, wherein one of the first and second tubulars includes a plurality of radially deflectable fingers formed in an end thereof, mating the first and second tubulars into mated engagement with one another, wherein, during the mating of the first and second tubulars, the radially deflectable fingers deflect in a radial direction, and expanding the first and second tubulars by forcing an expansion mandrel through the mated first and second tubulars such that the expanded first and second tubulars have an expanded inside diameter that is greater than an initial inside diameter of the first and second tubulars.
E21B 17/04 - CouplingsJoints between rod and bit, or between rod and rod
F16L 37/086 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of latching members pushed radially by spring-like elements
F16L 25/10 - Sleeveless joints between two pipes, one being introduced into the other
B29C 67/00 - Shaping techniques not covered by groups , or
One illustrative method disclosed herein includes positioning a first tubular adjacent a second tubular, wherein one of the first and second tubulars includes a plurality of radially deflectable fingers formed in an end thereof, mating the first and second tubulars into mated engagement with one another, wherein, during the mating of the first and second tubulars, the radially deflectable fingers deflect in a radial direction, and expanding the first and second tubulars by forcing an expansion mandrel through the mated first and second tubulars such that the expanded first and second tubulars have an expanded inside diameter that is greater than an initial inside diameter of the first and second tubulars.
E21B 17/04 - CouplingsJoints between rod and bit, or between rod and rod
F16L 37/086 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of latching members pushed radially by spring-like elements
F16L 25/10 - Sleeveless joints between two pipes, one being introduced into the other
B29C 67/00 - Shaping techniques not covered by groups , or
A perforating gun string is configured to perforate a casing of a well, and the perforating gun string includes a latch mechanism configured to engage with the casing, one or more perforating guns connected with a cable to the latch mechanism, and a global cable that releasably holds together the latch mechanism and the one or more individual perforating guns. The perforating gun string may also comprise a spreading mechanism configured to move away from the latch mechanism and to spread the one or more individual perforating guns away from the latch mechanism.
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
A frac manifold isolation tool configured to connect to a zipper spool, and comprising a mandrel that is axially movable and a hydraulic setting tool configured to move the mandrel from an open position, in which fracturing fluid is allowed to flow from a zipper spool to a connected frac tree, to a closed position, in which the mandrel and its associated cup tool direct flow.
A switch assembly, which is part of a chain of switch assemblies. The switch assembly includes a micro-controller PB that has no address, a thru-line switch, and a detonator switch. The micro-controller PB is configured to directly communicate with an upstream or downstream switch assembly through a pulsing scheme, and the micro-controller PB receives no command from a surface controller.
H01H 47/02 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
E21B 47/12 - 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
A convertible and addressable switch assembly incudes an interface (I/O) configured to connect to a controller along a telemetry system; and a processor connected to the interface (I/O). The processor is configured to receive a command from the controller, along the telemetry system, to change a first value of a mode status variable to a desired second value, wherein the first value is associated with a first operating mode of the switch assembly and the second value is associated with a second operating mode, which is different from the first operating mode; change the first value to the second value within the switch assembly; and store in a non-volatile memory, at the switch assembly, the second value of the mode status variable.
A fluid control system includes a fluid control device configured to be connected to at least one of two casing elements in a well, for controlling a fluid flow between a bore of the fluid control device and a zone located outside the casing elements; and a tracer material located within an inner chamber of a body of the fluid control device, the tracer material being uniquely associated with the fluid control device. The fluid control device is configured to release, when activated, the tracer material out of the inner chamber.
A wireline release tool for downhole intervention, the tool including a housing having an electrical input and an electrical output; a pass-through switch located inside the housing and electrically connected between the electrical input and the electrical output; and a current limiter device located inside the housing and electrically connected between the electrical input and the electrical output. The pass-through switch is connected in parallel to the current limiter device, between the electrical input and the electrical output.
E21B 43/119 - Details, e.g. for locating perforating place or direction
F42C 15/42 - Arming-means in fuzesSafety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically from a remote location, e.g. for controlled mines or mine fields
G01V 11/00 - Prospecting or detecting by methods combining techniques covered by two or more of main groups
H02H 3/20 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess voltage
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
59.
One-click contact detonator for perforating gun system
A detonator for initiating a firing of a shaped charge in a gun is configured to include a housing having first and third conducting portions and a second insulating portion, which is sandwiched between the first and third conducting portions; an initiator located fully inside the first conducting portion or the third conducting portion; a first electrical line electrically connecting the initiator to an internal wall of the third conducting portion; and a second electrical line electrically extending from the initiator to the first conducting portion, through the entire second insulating portion.
A non-explosive punch system for making perforations in a casing includes a housing and one or more punch elements configured to extend through a wall of the housing to perforate a casing of the well. An actuating device is located within the housing and may comprise a piston and an actuator block configured to actuate the one or more punch elements. An energy supply device is also located within the housing and may comprise a valve to direct fluid flow and a piston configured to use a pressure of a well fluid present in the casing, to actuate the actuating device. No explosive material is present in the punch system.
A method for installing a valve for use in oil and gas production or similar applications includes inserting seats and biasing members into a cavity of the valve and causing the seats to moving axially apart from each other, such that the biasing members are compressed and the flow barrier of the valve may be installed between the seats.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
B25B 27/24 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
B25B 27/26 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves compressing the springs
F16K 5/00 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
F16K 5/02 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfacesPackings therefor
F16K 5/04 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfacesPackings therefor
62.
Apparatus and method relating to managed pressure drilling
OIL STATES INDUSTRIES (UK) LIMITED (United Kingdom)
Inventor
Martins, Miguel Fernandes
Johnston, Richard
Abstract
An actuatable sealing mechanism for sealing a fluid channel provided between two co-axially arranged tubular members having a central longitudinal axis. The actuatable sealing mechanism comprises an elastomeric seal, an axially moveable actuating sleeve member (1400; 2400; 3020) and a radially moveable activating member. The activating member is configured to be moveable in a radial direction in use to translate the actuatable sealing mechanism between an unsealed state and a sealed state. When it is in the sealed state, the activating member axially compresses the elastomeric seal sufficiently to expand the elastomeric seal in the said radial direction to seal the fluid channel.
A switch assembly, which is part of a chain of switch assemblies, includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator, a voltage measuring unit configured to locally measure a voltage (V) at the switch assembly after receiving the fire command to activate the detonator, a computing core (CC) configured to locally make a decision whether or not to activate the detonator, after receiving the fire command to activate the detonator and after measuring the voltage (V), based on whether or not the measured voltage (V) at the switch assembly is larger than a threshold value.
E21B 47/10 - Locating fluid leaks, intrusions or movements
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
E21B 43/29 - Obtaining a slurry of minerals, e.g. by using nozzles
G06F 30/28 - Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
OIL STATES INDUSTRIES (UK) LIMITED (United Kingdom)
Inventor
Stephen, Garry
Johnston, Richard
Symonds, David
Wallace, Gordon
Abstract
The present invention concerns a connection system 1 for a marine drilling riser 10 having one or more auxiliary lines 20, the connection system comprising: a moveable coupling member 30 having at least one first connector and at least one second connector coupled to the at least one first connector, wherein the at least one second connector is adapted for engaging with at least one connector of an auxiliary line of the marine drilling riser The connection system further comprising a control line support 18 for fixing at or adjacent an outer surface of the marine drilling riser; a control line supported by the control line support and for attachment to the moveable coupling member; and a tailing line for attachment to the moveable coupling member.
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes (none being boiler tubes or parts of
machines) for use in the drilling or servicing of, or
production from, oil or gas wells; metallic pipe connections
for the aforesaid pipes; fittings for the aforesaid pipes
and parts and fittings for the aforesaid connections, all
included in the class.
67.
ASYMMETRIC INITIATED SHAPED CHARGE AND METHOD FOR MAKING A SLOT-LIKE PERFORATION
A shaped charge is configured to make a non-circular perforation into a casing. The shaped charge includes a case having a side wall that extends between an open top region and a base; an asymmetric initiation insert configured to fit within the case; an explosive material placed over the asymmetric initiation insert and in contact with the side wall of the case; and a liner placed over the explosive material, to hold the explosive material within the case. The asymmetric initiation insert has a body that includes first and second channels that extend from a bottom surface to a top surface of the body, so that a detonation at the bottom surface is directed to first and second initiation points, that correspond to the first and second channels.
A perforating gun for use in a well casing, the gun having a gun carrier extending along a longitudinal axis; plural shaped charges located inside the gun carrier, in groups of three, a first group of three shaped charges being positioned in a first single plane, transverse to the longitudinal axis, and a second group of three shaped charges being positioned in a second single plane, transverse to the longitudinal axis; and a charge holder configured to carry the plural shaped charges, the charge holder configured to be inserted into the gun carrier. The first and second groups of three charges are spaced along the longitudinal axis so that a third single plane, transverse to the longitudinal axis, intersects each of the six shaped charges of the first and second groups of three charges, to achieve an ultra-short, high-density, perforating gun.
A convertible and addressable switch assembly includes an interface (I/O) configured to connect to a controller along a telemetry system; and a processor connected to the interface (I/O). The processor is configured to receive a command from the controller, along the telemetry system, to change a first value of a mode status variable to a desired second value, wherein the first value is associated with a first operating mode of the switch assembly and the second value is associated with a second operating mode, which is different from the first operating mode; change the first value to the second value within the switch assembly; and store in a non-volatile memory, at the switch assembly, the second value of the mode status variable.
A testing system for a shaped charge of a perforating gun, the testing system including a housing; a casing assembly located inside the housing; a perforating gun having at least one shaped charge, the perforating gun being located within the casing assembly; a sample material located within the housing, and in direct contact with the casing assembly; a wellbore accumulator in direct contact with the casing assembly and configured to supply a first fluid, at a wellbore pressure, inside the casing assembly; and a formation accumulator in direct contact with the sample material and configured to supply a second fluid, at a formation pressure, on the sample material.
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
A downhole tool for sealing a well includes a push ring, a first slip ring located adjacent to the push ring, a first wedge located adjacent to the first slip ring and configured to radially push the first slip ring and separate the first slip ring into individual parts, and a sealing element located adjacent to the first wedge and configured to seal the well. An upstream end of the first slip ring and a downstream end of the push ring form a wavy interface when in contact. The wavy interface locks the first slip ring relative to the push ring to prevent a rotation of the first slip ring relative to the push ring.
A flowback tank cleaning system and method is described. A flowback tank includes a self-cleaning system. A flowback tank cleaning method may include moving solid debris collected at a bottom of a collection section of a flowback tank towards a lift auger using a cleaning auger or a conveyer belt extending along a length of the collection section, the bottom of the collection section including an angled trough, funneling solid debris towards the cleaning auger or conveyor belt by placing the cleaning auger or conveyor belt at a base of the angled trough, spraying fluid downward through a series of fluid outlets, removing the sand so moved by the cleaning auger or conveyer belt from the flowback tank using the lift auger, and removing the fluid from the flowback tank using a drain manifold below the cleaning auger or conveyer belt.
B08B 3/04 - Cleaning involving contact with liquid
B08B 3/12 - Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
B65G 33/10 - Screw or rotary spiral conveyors for fluent solid materials with non-enclosed screws
B65G 45/00 - Lubricating, cleaning, or clearing devices
B65G 45/22 - Cleaning devices comprising fluid applying means
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
E21B 43/34 - Arrangements for separating materials produced by the well
A perforating gun for perforating a casing of a well includes one or more shaped charges configured to perforate the casing; a loading tube configured to hold the one or more shaped charges; a housing having a cylindrical shape and configured to receive inside the loading tube and the one or more shaped charges; and a protective tube located in an annulus formed between the housing and the loading tube.
A gun assembly for perforating a well, the gun assembly including a single carrier; a first gun cluster, the first gun cluster including first plural shaped charges; and a second gun cluster, the second gun cluster including second plural shaped charges. The first gun cluster and the second gun cluster are placed in the single carrier.
06 - Common metals and ores; objects made of metal
Goods & Services
Metallic pipes, none being boiler tubes or parts of machines, for use in the drilling or servicing of, or production from, oil or gas wells; metallic pipe connections for the aforesaid pipes; fittings for the aforesaid pipes and parts and fittings for the aforesaid connections, all included in the class
78.
Addressable switch assembly for wellbore systems and method
A downhole system including a gun string configured to be deployed into a wellbore, the gun string including plural gun assemblies. A detonator block attached to a given gun assembly of the plural gun assemblies. The detonator block includes a switch assembly. The switch assembly includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator associated with the detonator block, a measuring unit configured to measure a parameter (V) at the switch assembly, and a computing core (CC) configured to locally make a decision whether to activate or not the detonator, after the fire command is received from the external controller, based on whether a voltage measured by the measuring unit at the switch assembly is larger or not than a threshold voltage.
A firing head configured to initiate the firing of an element in a perforating gun. The firing head includes an insert having a bore extending along a longitudinal direction X; a percussion detonator facing the bore and including an explosive material that is configured to detonate; a firing pin located partially in the bore; and a retention mechanism located on the firing pin and preventing the firing pin to move along the longitudinal direction X into the bore. The retention mechanism includes a degradable material that is configured to chemically react with a well fluid so that the retention mechanism degrades until freeing the firing pin so that the firing pin moves along the longitudinal direction X into the bore and strikes the percussion detonator.
F42C 9/08 - Time fuzesCombined time- and percussion- or pressure-actuated fuzesFuzes for timed self-destruction of ammunition the timing being caused by chemical action, e.g. of acids
A centralizing device is configured to centralize/decentralize an associated tool in a well. The centralizing device includes a body that extends along a longitudinal axis X, the body having a bore that extends from one end to another end of the body; a first piston shaped as a cylinder and provided around a central portion of the body; a second piston shaped as a cylinder and provided around the central portion of the body; a bridge provided around the central portion of the body, between the first and second pistons; and a pair of arms, each arm being attached with one end to a corresponding one of the first and second pistons and with another end to each other. The second piston, the bridge, and the central portion of the body define a sealed chamber, which is sealed from the ambient.
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
A setting kit for connecting a plug to a setting tool includes a collet connecting part configured to be attached to an internal sleeve of the setting tool; and a collet configured to be attached with a first end to the collet connecting part and with a second end to the plug. The second end automatically connects to the plug by only pushing the second end onto the plug.
A loading tube is configured to receive one or more shaped charges to form a perforating gun. The loading tube includes a tubular body extending along a longitudinal axis; a cord passage formed into the tubular body; a retention cutoff formed into the tubular body and configured to receive a detonator cord; and a holding element extending into the retention cutoff and being integrally made with a wall of the tubular body, wherein the holding element is configured to hold the detonator cord into the retention cutoff. The cord passage is configured to receive the detonator cord from a bore of the tubular body and to direct the detonator cord outside the bore of the tubular body.
A perf and wash system for plugging a casing and wellbore, the perf and wash system including a cleaning tool having at least one nozzle making a first angle with a longitudinal axis of the system; a perforating gun assembly having at least one shaped charge making a second angle with the longitudinal axis; and a plug connected with a first end to the cleaning tool and with a second end, opposite to the first end, to the perforating gun assembly. The first angle is substantially equal to the second angle and the first and second angles are different than 90 degrees.
Oil States Industries (UK) Limited (United Kingdom)
Inventor
Symonds, David
Johnston, Richard
Wallace, Gordon Neil
Stephen, Garry
Abstract
The integration joint assembly includes an integration joint body (10) having a through bore (16), the body being for connection with a riser system. The integration joint assembly permits a tubular work string (50; 54) to pass there through such that there is an annulus created between the inner through bore (16) of the integration joint body (10) and the outer surface of the tubular work string (50; 54). The integration joint body (10) can also include at least two (300, 200) and more preferably three sealing devices (300, 200, 100) within its through bore (16). A method of drilling is also described as including the steps of installing an integration joint assembly in a riser string and running a tubular work string (50; 54) through the through bore (16) thereof.
An interchangeable module configured to be used in an integrated perforating gun and setting tool system, the interchangeable module having a body having a chamber, a first electrical connection located at a first end of the chamber, and a second electrical connection located at a second end of the chamber. The first end is opposite to the second end. An addressable switch located inside the chamber, the addressable switch has a digital address. A connection unit located inside the chamber and configured to electrically connect the addressable switch to an initiating device. The interchangeable module is configured to be used (1) between a first gun cluster and a second gun cluster and (2) between a distal gun cluster and a setting tool, and the first and second electrical connections are electrically connected to the addressable switch.
Rigid riser adapter operable to be at least partially installed into a lower riser balcony. The rigid riser adapter includes a receptacle support structure. Additionally, the rigid riser adapter also includes an adapter tube extending from the receptacle support structure substantially along a vertical direction, the adapter tube operable to be inserted through a lower riser balcony. The rigid riser adapter can also include a rigid riser receptacle coupled to the receptacle support structure, wherein the rigid riser receptacle is angled between six degrees and twenty degrees in relation to the vertical direction.
A wellbore select fire switch retaining member system and method with an integrated through wire and ground wire in a switch sub. The system/method includes a retaining member that has a form factor acceptable by a conventional switch sub. The retaining member incorporates an electrical connection to the center pin of a pressure switch. The system further includes a secondary piston aligned with a piston in the switch (switch piston) so that external pressure is fully acted upon the entire switch piston creating a reliable switch connection. Another system includes an integrated retaining member and switch module having a form factor compatible with existing switch subs. The integrated module inputs include a ground wire and a through wire and the outputs include a ground wire, through wire and an arming wire.
OIL STATES INDUSTRIES (UK) LIMITED (United Kingdom)
Inventor
Wilson, Kevin
Johnston, Richard
Stephen, Garry Robert
Abstract
A subsea rotating control device (RCD) system (1; 2) adapted to permit a tubular work string to pass there through such that there is an annulus created between the inner throughbore of subsea rotating control device (RCD) system (1; 2) and the outer surface of the tubular work string. The subsea rotating control device (RCD) system (1; 2) comprises a system housing (10) comprising a throughbore, an upper end and a lower end (10L) adapted for connection with a BOP (18) of a wellhead. The subsea RCD system (1; 2) further comprises at least two RCD seals (302, 2302; 304, 2304) arranged for selective mounting within the system housing (10) and which are selectively actuable between an unsealed configuration in which the at least two RCD seals (302, 2302; 304, 2304) are radially outwardly retracted and a sealed configuration in which the at least two RCD seals (302, 2302; 304, 2304) are radially inwardly extended. The subsea RCD system (1; 2) further comprises at least one annular seal (202) arranged for selective mounting within the system housing (10) below the at least two RCD seals (302, 2302; 304, 2304), wherein the said at least one annular seal (202) is selectively actuable between an unsealed configuration in which the said at least one annular seal (202) is radially outwardly retracted and a sealed configuration in which the said at least one annular seal (202) is radially inwardly extended.
H01H 47/02 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
E21B 47/12 - 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
A method for installing a valve for use in oil and gas production or similar applications includes inserting seats and biasing members into a cavity of the valve and causing the seats to moving axially apart from each other, such that the biasing members are compressed and the flow barrier of the valve may be installed between the seats.
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
A valve for use in oil and gas production or similar applications includes a plug or other flow barrier disposed in a cavity of a hollow valve body with a metal-to-metal sealing surface that is not reliant on any rubberized or elastomeric material to effect a seal.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 5/00 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
F16K 5/02 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfacesPackings therefor
F16K 5/04 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfacesPackings therefor
A valve for use in oil and gas production or similar applications includes a plug or other flow barrier disposed in a cavity of a hollow valve body with a metal-to-metal sealing surface that is not reliant on any rubberized or elastomeric material to effect a seal.
AA) connected to the interface (I/O). The processor is configured to receive (802) a command from the controller (206), along the telemetry system (205), to change a first value of a mode status variable to a desired second value, wherein the first value is associated with a first operating mode of the switch assembly (632) and the second value is associated with a second operating mode, which is different from the first operating mode; change (804) the first value to the second value within the switch assembly (632); and store (806) in a non-volatile memory (238), at the switch assembly (632), the second value of the mode status variable.
A frac manifold isolation tool configured to connect to a zipper spool, and comprising a mandrel that is axially movable and a hydraulic setting tool configured to move the mandrel from an open position, in which fracturing fluid is allowed to flow from a zipper spool to a connected frac tree, to a closed position, in which the mandrel and its associated cup tool prevent fracturing fluid from flowing to the connected frac tree.
A perforating gun includes first and second shaped charges. Each of the shaped charges includes a case, a liner, and an explosive. Each liner has a subtended angle about an apex of the liner. A first jet formed by the first shaped charge creates a first entrance hole in a first region of a well casing, and a second jet formed by the second shaped charge, creates a second entrance hole in a second region of the casing. The second region is below the first region in the casing. A ratio of a diameter of the first entrance hole to a diameter of the second entrance hole is 1 when the subtended angle is between 100° and 110°, the ratio is less than 1 when the subtended angle is between 90° and 100°, and the ratio is greater than 1 when the subtended angle is greater than 110°.
A perforating gun system with at least one gun. Each of the perforating guns have charges disposed in a gun carrier that are angled to the longitudinal axis of the gun to achieve a predetermined proppant transport profile into clusters within a stage in a well casing. The perforation tunnels may also have burrs on each side of the casing and acts in initially aiding proppant transport during fracture treatment. A method of tuning a cluster to achieve a desired fracturing treatment based on a feedback from another cluster includes selecting a hole diameter, a hole angle for creating an angled opening, a discharge coefficient, and a proppant efficiency. Moreover, a method of improving perforation charge efficiency.
F42B 12/76 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
A downhole tool for connecting and releasing portions of a tool string includes a housing; an electronics assembly; an activation mechanism; a valve assembly and a set of retainer dogs to connect and release a neck of another tool. The downhole tool may also include one or more measurement sensors for measuring a parameter and transferring one or more measured parameter values to the surface of the well.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 47/12 - 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
A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with multiple perforating guns attached to plural switch subs. The perforating guns are pre-wired with a cable having multi conductors; the multi conductors are connected to electrical ring contacts on either end of the perforating guns. The switch subs are configured with electrical contacts that are attached to the electrical contacts of the perforating guns without the need for manual electrical connections and assembly in the field of operations. The system further includes detonating with a detonator that is positioned upstream of the perforating gun. The detonator is wired to a switch that is positioned downstream of the perforating gun.
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
A valve for use in oil and gas production or similar applications includes a plug or other flow barrier disposed in a cavity of a hollow valve body with a metal-to-metal sealing surface that is not reliant on any rubberized or elastomeric material to effect a seal.
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 5/20 - Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
F16K 5/18 - Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
F16K 5/04 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfacesPackings therefor
F16K 25/00 - Details relating to contact between valve members and seats
F16K 27/04 - Construction of housingsUse of materials therefor of sliding valves
100.
NON-METALLIC CENTRALIZER FOR DOWNHOLE DRILLING APPARATUS
A non-metallic centralizer for use with downhole operations. The centralizer is formed of a hollow, cylindrical body, a plurality of non-metallic blades protruding from the outer surface of the cylindrical body, and a plurality of wear buttons positioned on each of the plurality of blades, each of the wear buttons having a surface designed to reduce grabbing or sticking and wear of the hollow cylindrical body.
