Abstract

A sprocket assembly and a method for assembling or replacing same. The sprocket assembly has a hub adapted to be mounted on a shaft, and a sprocket collar having a peripheral surface and an inner surface. The sprocket collar has a split extending between the inner surface and the peripheral surface and is releasably interlocked with the hub. The sprocket collar is made of a flexible material so that the split is widenable by pulling two sides of the split.

IPC Classes  ?

• F16H 55/12 - Toothed membersWorms with body or rim assembled out of detachable parts
• B65G 23/06 - Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
• F16H 55/30 - Chain wheels

Abstract

A valve, an assembly having the valve, and a method for controlling a pressure difference between fluids on an inside and on an outside of a wall defining a portion of a chamber, the valve having: a lever and a fulcrum element a first cap having a sealing surface facing the lever and configured for sealing a first aperture in a portion of the wall; a second cap having a sealing surface facing away from the lever and configured for sealing a second aperture in a portion of the wall of the chamber.

IPC Classes  ?

• F16K 17/196 - Equalising valves predominantly for tanks spring-loaded

Abstract

The invention relates to a sprocket assembly (1) and a method for assembling or replacing same. The sprocket assembly comprises a hub (20) adapted to be mounted on a shaft (40), and a sprocket collar (30) comprising a peripheral surface (39) and an inner surface (31). The sprocket collar (30) comprises a split (32) extending between the inner surface (31) and the peripheral surface (39) and is releasably interlocked with the hub (20). The sprocket collar (30) is made of a flexible material so that the split (32) is widenable by pulling two sides of the split (32).

IPC Classes  ?

• B65G 23/06 - Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
• F16H 55/12 - Toothed membersWorms with body or rim assembled out of detachable parts
• F16H 55/30 - Chain wheels
• F16H 55/46 - Split pulleys

Abstract

The invention relates to a sprocket assembly (1) and a method for assembling or replacing same. The sprocket assembly comprises a hub (20) adapted to be mounted on a shaft (40), and a sprocket collar (30) comprising a peripheral surface (39) and an inner surface (31). The sprocket collar (30) comprises a split (32) extending between the inner surface (31) and the peripheral surface (39) and is releasably interlocked with the hub (20). The sprocket collar (30) is made of a flexible material so that the split (32) is widenable by pulling two sides of the split (32).

IPC Classes  ?

• F16H 55/12 - Toothed membersWorms with body or rim assembled out of detachable parts
• F16H 55/30 - Chain wheels
• F16H 55/46 - Split pulleys
• B65G 23/06 - Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels

Abstract

A valve (1), an assembly comprising the valve (1), and a method for controlling a pressure difference between fluids on an inside and on an outside of a wall (CW; 50) defining a portion of a chamber, the valve (1) comprising: a lever (3) and a fulcrum element (10) a first cap (20) having a sealing surface (24) facing the lever (3) and configured for seal-ing a first aperture (A1) in a portion of the wall (CW; 50); a second cap (30) having a sealing surface (34) facing away from the lever (3) and con-figured for sealing a second aperture (A2) in a portion of the wall (CW; 50) of the chamber.

IPC Classes  ?

• F16K 15/03 - Check valves with guided rigid valve members with a hinged closure member
• F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
• F16K 1/20 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation arranged externally of valve member

Abstract

A valve (1), an assembly comprising the valve (1), and a method for controlling a pressure difference between fluids on an inside and on an outside of a wall (CW; 50) defining a portion of a chamber, the valve (1) comprising: a lever (3) and a fulcrum element (10) a first cap (20) having a sealing surface (24) facing the lever (3) and configured for seal-ing a first aperture (A1) in a portion of the wall (CW; 50); a second cap (30) having a sealing surface (34) facing away from the lever (3) and con-figured for sealing a second aperture (A2) in a portion of the wall (CW; 50) of the chamber.

IPC Classes  ?

• F16K 1/20 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation arranged externally of valve member
• F16K 15/03 - Check valves with guided rigid valve members with a hinged closure member

Goods & Services

Industrial chemicals; oil-separating chemicals; chemical additives for drilling muds; dehydrating preparations for industrial purposes; water purifying chemicals; gas purifying preparations; filtering materials of chemical substances; synthetic resins, unprocessed; plasticizers; chemical preparations for scientific purposes, other than for medical or veterinary use. Agricultural implements, other than hand-operated; agricultural, earthmoving, construction, oil and gas extraction and mining equipment; mixing machines; centrifugal separators; centrifugal machines; separator machines to separate solids from fluids; oil separators [machines]; ore separators [machines]; waste and trash separator machines; filters being parts of machines or engines; filtering machines; filtering apparatus (machines) for the cleaning of fluids containing solids; drainage machines; silt pumps; sludge valves being parts of machines; sludge pumps; dredging machines; suction machines for industrial purposes. Apparatus for dehydrating food waste; air filtering installations; water filtering apparatus; water distribution installations; watering machines for agricultural purposes; water flushing installations; water conditioning apparatus; oil-scrubbing apparatus; purification installations for the cleaning of fluids containing solids; parts and fittings to the aforementioned goods. Custom assembling of materials for others; metal treating; decontamination of hazardous materials; air purification; soil, waste or water treatment services [environmental remediation services]; water treatment; water purification; waste water treatment; rental of water treatment equipment; filtration of liquids; treatment [recycling] of toxic liquids; treatment of drilling fluid; purification of minerals by chemical methods; purification of minerals by magnetic methods; purification of minerals using vacuum; custom 3d printing for others.

Goods & Services

(1) Agricultural, oil and gas extraction and mining equipment, namely, machines for geological, mining and ore exploration, deep-sea mining machines, mine dewatering machines, mine drainage pumps, water pumping units for mining purposes, extracting machines for chemical processing, pumps for the extraction of gases, skid-mounting and modular separators of different liquid and gas phase mixtures for crude oil and gas processing; separator machines to separate solids from fluids; filters being parts of machines or engines, namely, filters used in machines for the filtration of fluids for the purposes of purification and reducing concentration of substances, membrane filters for use as parts of machines, suction filters as machine components, replacement screens as parts of machines for the separation of wet and dry materials; filtering machines, namely, filtering machines for chemical processing; filtering apparatus (machines) for the cleaning of fluids containing solids, namely, water filtration units for domestic, commercial and industrial use, filtering machines for chemical processing; drainage machines, namely, oil drain pumps, drain cocks and drain augers, electric; dredging machines (2) Food waste dehydrators; water filtering apparatus, namely, apparatus for purifying industrial water, electric water purifiers for household purposes; watering machines for agricultural purposes; water conditioning units; purification installations for the cleaning of fluids containing solids, namely, membrane filtration units for water treatment apparatus, separators for the cleaning and purification of liquids, slurry treatment units for stabilizing and sanitizing slurry, waste water purification units (1) Waste treatment services, namely, destruction of waste, environmental remediation services being treatment of waste produced in agriculture to reclaim usable materials, environmental remediation services being treatment of waste produced in industry to reclaim usable materials, environmental remediation services being treatment of polluted soils, waste sorting services, recycling of mineral waste water treatment; water treatment services, namely, water filtration and conditioning services; water treating; water purification; waste water treatment; rental of water treatment equipment; filtration of liquids; treatment [recycling] of toxic liquids; treatment of drilling fluid

Goods & Services

Industrial chemicals; oil-separating chemicals; chemical additives for drilling muds Centrifugal separators; centrifugal machines; separator machines to separate solids from fluids; separator machines to separate solids from fluids equipped with a rotating filter belt and a vibratory screen; machines, namely, oil separators; machines, namely, ore separators; waste and trash separator machines; filters being parts of machines or engines, namely, perforated conveyor belts; silt pumps; sludge valves being parts of machines; sludge pumps; dredging machines Oil scrubbing apparatus, namely oil purifying installations Decontamination of hazardous materials; environmental remediation services, namely, soil, waste or water treatment services; water treatment; water purification; waste water treatment; rental of water treatment equipment

Goods & Services

Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transmission components, except for land vehicles; separators for purification of fluids, filtering apparatus (machines) for the cleaning of fluids containing solids; parts and fittings to the aforementioned goods. Purification installations for the cleaning of drilling fluids; purification installations for the cleaning of fluids containing solids; parts and fittings to the aforementioned goods. Construction; repair services; installation services; machinery maintenance and repair; repair and maintenance of well drilling equipment; installations, maintenance and repair of computers. Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; updating and maintenance of computer programs; quality control; control of machines and equipment for use in wells; engineering.

Abstract

A device is for separating a medium comprising a mixture of a solid portion and a fluid portion. The device has a filter arrangement with a displaceable filter element having a plurality of openings that allow the fluid to be disposed through the openings while maintaining the solid portion on the filter element. The device further has an inlet for feeding the medium to the filter element and an outlet for discharging the solid portion from the filter element after that the fluid has been separated from the solid portion. The device further has an obstruction has an elastic element extending towards a surface of the filter element and adapted to contact the surface while allowing the medium to be displaced from the inlet to the outlet.

IPC Classes  ?

• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B01D 33/048 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element
• B01D 33/58 - Handling the filter cake in the filter for purposes other than for regenerating
• B01D 33/72 - Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding

Abstract

A device (1) for separating a medium comprising a mixture of a solid portion and a fluid portion. The device comprises a filter arrangement (3) comprising a displaceable filter element (5) with a plurality of openings adapted to allow the fluid to be disposed through the openings while maintaining the solid portion on the filter element. The device further comprises an inlet (10) for feeding the medium to the filter element and an outlet (12) for discharging the solid portion from the filter element after that the fluid has been separated from the solid portion. The device further comprises an obstruction (30) comprising an elastic element (32) extending towards a surface of the filter element and adapted to contact the surface while allowing the medium to be displaced from the inlet to the outlet.

IPC Classes  ?

• B01D 33/048 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
• B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element
• B01D 33/66 - Handling the filter cake in the filter for purposes other than for regenerating for drying by gases or by heating
• B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
• B07B 1/10 - Screens in the form of endless moving bands
• B07B 1/52 - Cleaning with brushes or scrapers
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

An apparatus (1) and a method for separating liquid from a material (M) comprising a solid fraction and a liquid fraction, the apparatus comprising a conveyor belt (3) for bringing the material (M) from a receiving portion (5) to a discharge portion (7), wherein at least a portion of the conveyor belt (3) being provided with at least one sorption means (9) for absorbing and/or adsorbing liquid from the material (M) while the material (M) is carried between the receiving portion (5) and the discharge portion (7).

IPC Classes  ?

• B01D 15/04 - Separating processes involving the treatment of liquids with solid sorbentsApparatus therefor with ion-exchange materials as adsorbents
• B01D 33/048 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
• B65G 15/08 - Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration the load-carrying surface being formed by a concave or tubular belt, e.g. a belt forming a trough
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

A device (1) for separating a medium comprising a mixture of a solid portion and a fluid portion. The device comprises a filter arrangement (3) comprising a displaceable filter element (5) with a plurality of openings adapted to allow the fluid to be disposed through the openings while maintaining the solid portion on the filter element. The device further comprises an inlet (10) for feeding the medium to the filter element and an outlet (12) for discharging the solid portion from the filter element after that the fluid has been separated from the solid portion. The device further comprises an obstruction (30) comprising an elastic element (32) extending towards a surface of the filter element and adapted to contact the surface while allowing the medium to be displaced from the inlet to the outlet.

IPC Classes  ?

• B01D 33/048 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
• B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element
• B01D 33/66 - Handling the filter cake in the filter for purposes other than for regenerating for drying by gases or by heating
• B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
• B07B 1/10 - Screens in the form of endless moving bands
• B07B 1/52 - Cleaning with brushes or scrapers
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

This invention relates to a sieving apparatus and method for separating solid particles above a predetermined size from a fluid by carrying the solids-containing fluid across at least one sieving cloth in a frame connected to a shaking device for providing shaking motion. The sieving apparatus includes an inlet portion for receiving solids-containing fluid, a discharge portion for solids that have been carried across the at least one sieving cloth and an outlet portion for fluid that has passed through the sieving cloth. The sieving apparatus further includes at least one endless sieving cloth arranged for rotating around at least two spaced-apart turning-rollers, at least one being connected to a motor, and a pumping device in fluid communication with a suction nozzle located proximate an underside of the endless sieving cloth between two of the turning-rollers, to produce a fluid flow through at least a portion of the endless sieving cloth.

IPC Classes  ?

• B07B 1/10 - Screens in the form of endless moving bands
• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B07B 1/28 - Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens
• B07B 1/46 - Constructional details of screens in generalCleaning or heating of screens
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 33/03 - Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
• B01D 33/29 - Filters with filtering elements which move during the filtering operation the movement of the filter elements being a combination of movements
• B07B 1/36 - Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting, or wobbling screens jigging or moving to-and-fro in more than one direction
• B07B 1/40 - Resonant vibration screens

Abstract

Sieving apparatus (1) and method for separating solid particles above a predetermined size from a fluid, by carrying the solids-containing fluid across at least one sieving cloth (10) being arranged in a frame (16) connected to a shaking device (18) for providing a shaking motion, wherein the sieving apparatus (1) comprises : - an inlet portion (3) for receiving solids-containing fluid; - a discharge portion (5) for solids that have been carried across the at least one sieving cloth (10) and an outlet portion for fluid that has passed through the sieving cloth, the sieving apparatus (1) further comprises: - at least one endless sieving cloth (20) arranged for rotating around at least two spaced-apart turning-rollers (22) of which at least one is connected to a motor; and - a pumping device (26) in fluid communication with a suction nozzle (24) which is located proximate an underside of the endless sieving cloth (20) between two of the turning-rollers (22), in order to produce a fluid flow through at least a portion of the endless sieving cloth (20).

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 33/03 - Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B01D 39/10 - Filter screens essentially made of metal
• B07B 1/10 - Screens in the form of endless moving bands

Abstract

A method of controlling separation of solid particles from a fluid is described, wherein the separation is carried out by means of a sieve apparatus (10) which includes an endless sieve cloth (1) structured in a manner allowing it to rotate around at least two spaced-apart turning rollers (14), wherein the method comprises: arranging at least two sieve cloth sheets (1′) in series in the direction of movement of the sieve cloth (1), wherein at least two of the at least two sieve cloth sheets (1′) have dissimilar filtering characteristics; controlling the endless sieve cloth (1) by rotating the turning rollers (14) in such a manner that a desirable amount of solid particles and fluid is supplied to at least one of, or is distributed between two or more of, the at least two sieve cloth sheets having desirable filtering characteristics. A sieve cloth for use in the method is also described.

IPC Classes  ?

• B07B 1/10 - Screens in the form of endless moving bands
• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B01D 29/09 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with filtering bands, e.g. movable between filtering operations
• B01D 33/41 - Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
• B07B 1/46 - Constructional details of screens in generalCleaning or heating of screens
• B07B 13/18 - Control
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 33/056 - Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts

Abstract

This invention relates to a sieve cloth and a method of connecting the sieve cloth to a sieve apparatus having an endless sieve cloth supported by a support belt which, in operation, is structured to rotate around at least two spaced-apart turning rollers. The method includes the steps of providing at least one sieve cloth sheet having an upper side, a lower side, two side portions and a first end portion and a second end portion extending between the side portions; bringing at least a portion of the sieve cloth sheet into engagement with a portion of the support belt; positioning the sieve cloth sheet against the support belt by moving the support belt around the turning rollers; bringing at least two adjoining end portions into engagement with each other until the at least one sieve cloth sheet forms an endless sieve cloth.

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 33/056 - Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
• B01D 33/41 - Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
• B07B 1/46 - Constructional details of screens in generalCleaning or heating of screens
• B01D 29/09 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with filtering bands, e.g. movable between filtering operations
• B07B 1/10 - Screens in the form of endless moving bands
• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B07B 13/18 - Control

Abstract

letting the receiver (9) output a signal activating a warning device when the expected signal from the signal transmitter (7) ceases.

IPC Classes  ?

• G01V 3/00 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation
• B07B 1/00 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B01D 35/143 - Filter condition indicators
• B65G 17/08 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriersEndless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element
• B65G 43/02 - Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load- carriers, e.g. for interrupting the drive in the event of overheating
• B07B 1/10 - Screens in the form of endless moving bands
• B07B 1/46 - Constructional details of screens in generalCleaning or heating of screens
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• G08C 17/02 - Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

An apparatus and a method is described to facilitate separation of hydrocarbons from solid particles (29) being contaminated with hydrocarbons. The apparatus (1) includes a container (3) having a closeable inlet portion (20) for solid particles; a support body (11) in fluid communication with the closeable inlet portion (20), where the support body (11) is arranged to carry the solid particles (29) led in through the inlet portion (20), as the container is connected to an under-pressure generating device (7) to provide an under-pressure in the container (3).

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 29/05 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements supported
• B09C 1/02 - Extraction using liquids, e.g. washing, leaching

Abstract

A sieve device (1) for untreated drilling mud being brought up from a well and a method for use is provided. The sieve device (1) has a filter device (3) to separate a share of the drilling liquid from the drill cuttings. The sieve device (1) connects to a first outlet that receives drilling cuttings held back on the filter device (3) and a second outlet (11) that receives drilling liquid flowing from the filter device (3). The sieve device (1) also has at least one secondary filter (13) to separate drill cuttings from drilling liquid, a filter guard (17) being arranged in connection with the secondary filter (12), and a bypass arrangement (19) by means of which the filter guard (17) is arranged to open for communication of untreated drilling mud held back on the secondary filter (13), into the second outlet (11) for drilling liquid.

IPC Classes  ?

• C02F 1/00 - Treatment of water, waste water, or sewage
• E21B 21/00 - Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
• B03B 5/00 - Washing granular, powdered or lumpy materialsWet separating
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 41/00 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
• B01D 39/08 - Filter cloth, i.e. woven, knitted or interlaced material
• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

Described herein is a sieve cloth (1) and a method of connecting the sieve cloth (1) to a sieve apparatus (10) of a type wherein an endless sieve cloth (1) is supported by a support belt (12) which, in operation, is structured in a manner allowing it to rotate around at least two spaced-apart turning rollers (14), wherein the method comprises the steps of: providing at least one sieve cloth sheet (1') having an upper side, a lower side, two side portions (7) and a first end portion (3) and a second end portion (5) extending between the side portions (7); bringing at least a portion of the sieve cloth sheet (1') into engagement with a portion of the support belt (12); positioning the sieve cloth sheet (1') against the support belt (12) by moving the support belt (12) around the turning rollers (14); bringing at least two adjoining end portions (3, ) into engagement with each other until the at least one sieve cloth sheet (1') forms an endless sieve cloth (1); and also a method of controlling the separation of solid particles from a fluid. (Figure 3) 1

IPC Classes  ?

• B07B 1/10 - Screens in the form of endless moving bands

Abstract

A method of controlling separation of solid particles from a fluid is described, wherein the separation is carried out by means of a sieve apparatus (10) which includes an endless sieve cloth (1) structured in a manner allowing it to rotate around at least two spaced-apart turning rollers (14), wherein the method comprises: arranging at least two sieve cloth sheets (1') in series in the direction of movement of the sieve cloth (1), wherein at least two of the at least two sieve cloth sheets (1') have dissimilar filtering characteristics; controlling the endless sieve cloth (1) by rotating the turning rollers (14) in such a manner that a desirable amount of solid particles and fluid is supplied to at least one of, or is distributed between two or more of, the at least two sieve cloth sheets having desirable filtering characteristics. A sieve cloth for use in the method is also described.

IPC Classes  ?

• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B01D 36/02 - Combinations of filters of different kinds
• B01D 39/08 - Filter cloth, i.e. woven, knitted or interlaced material
• B07B 1/10 - Screens in the form of endless moving bands
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

Described herein is a sieve cloth (1) and a method of connecting the sieve cloth (1) to a sieve apparatus (10) of a type wherein an endless sieve cloth (1) is supported by a support belt (12) which, in operation, is structured in a manner allowing it to rotate around at least two spaced-apart turning rollers (14), wherein the method comprises the steps of: providing at least one sieve cloth sheet (1') having an upper side, a lower side, two side portions (7) and a first end portion (3) and a second end portion (5) extending between the side portions (7); bringing at least a portion of the sieve cloth sheet (1') into engagement with a portion of the support belt (12); positioning the sieve cloth sheet (1') against the support belt (12) by moving the support belt (12) around the turning rollers (14); bringing at least two adjoining end portions (3, 5) into engagement with each other until the at least one sieve cloth sheet (1') forms an endless sieve cloth (1);and also a method of controlling the separation of solid particles from a fluid.

IPC Classes  ?

• B07B 1/10 - Screens in the form of endless moving bands

Abstract

A method of controlling separation of solid particles from a fluid is described, wherein the separation is carried out by means of a sieve apparatus (10) which includes an endless sieve cloth (1) structured in a manner allowing it to rotate around at least two spaced-apart turning rollers (14), wherein the method comprises: arranging at least two sieve cloth sheets (1') in series in the direction of movement of the sieve cloth (1), wherein at least two of the at least two sieve cloth sheets (1') have dissimilar filtering characteristics; controlling the endless sieve cloth (1) by rotating the turning rollers (14) in such a manner that a desirable amount of solid particles and fluid is supplied to at least one of, or is distributed between two or more of, the at least two sieve cloth sheets having desirable filtering characteristics. A sieve cloth for use in the method is also described.

IPC Classes  ?

• B07B 1/10 - Screens in the form of endless moving bands
• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
• B01D 36/02 - Combinations of filters of different kinds
• B01D 39/08 - Filter cloth, i.e. woven, knitted or interlaced material
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

A method and an apparatus for monitoring the integrity of an endless sieve device (3) which is arranged to rotate around at least two spaced-apart turning rollers are described, the sieve device (3) being arranged to separate fluid and particles under a predetermined size from particles over the predetermined size, the method including the steps of: - positioning at least one signal transmitter (7) at a portion of the sieve device (3) by means of a holding device (5, 5', 5"); - putting the at least one signal transmitter (7) in communication with at least one receiver (9), so that the signal transmitter (7) outputs a signal to the at least one receiver (9) at least once per turn of the sieve device (3); - exposing the holding device (5, 5', 5") to wear; and - letting the receiver (9) output a signal activating a warning device when the expected signal from the signal transmitter (7) ceases.

IPC Classes  ?

• B65G 43/02 - Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load- carriers, e.g. for interrupting the drive in the event of overheating
• B07B 1/10 - Screens in the form of endless moving bands
• B65G 17/06 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriersEndless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
• B65G 43/06 - Control devices, e.g. for safety, warning or fault-correcting interrupting the drive in case of driving-element breakageBraking or stopping loose load-carriers
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering

Abstract

There is described an apparatus and a method to facilitate separation of hydrocarbons from solid particles (29) being contaminated with hydrocarbons, where the apparatus (1) ineludes: a container (3) having a closable inlet portion (20) for solid particles; a support body (11) in fluid communication with the closable inlet portion (20), where the support body (11) is arranged to be able to carry the solid particles (29) led in through the inlet portion (20), as the container is connected to an under-pressure generating device (7) to provide an under-pressure in the container (3).

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

There is described an apparatus and a method to facilitate separation of hydrocarbons from solid particles (29) being contaminated with hydrocarbons, where the apparatus (1) ineludes: a container (3) having a closable inlet portion (20) for solid particles; a support body (11) in fluid communication with the closable inlet portion (20), where the support body (11) is arranged to be able to carry the solid particles (29) led in through the inlet portion (20), as the container is connected to an under-pressure generating device (7) to provide an under-pressure in the container (3).

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

There is described a sieve device (1) for untreated drilling mud being brought up from a well and a method for use of the sieve device (1), where the sieve device (1) is provided with a filter device (3) arranged to separate a share of the drilling liquid from the drill cuttings, and where the sieve device (1) is connected to a first outlet arranged to be able to receive the drill cuttings held back on the filter device (3), and a second outlet (11) arranged to be able to receive the drilling liquid flowing through the filter device (3) and directed to the second outlet (11) via a channel (15), as the sieve device (1) is further provided with: - at least one secondary filter (13) arranged to be able to separate drill cuttings from drilling liquid, where the secondary filter (13) is arranged in said channel (15) in such a way as to lead drilling liquid through the secondary filter (13) and on to said second outlet (11); - a filter guard (17) arranged in connection with the secondary filter (13); and - a bypass arrangement (19) by means of which the filter guard (17) is arranged to be able to open for communication of untreated drilling mud held back on the secondary filter (13), into said second outlet (11) for drilling liquid.

IPC Classes  ?

• B01D 41/00 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

There is described a sieve device (1) for untreated drilling mud being brought up from a well and a method for use of the sieve device (1), where the sieve device (1) is provided with a filter device (3) arranged to separate a share of the drilling liquid from the drill cuttings, and where the sieve device (1) is connected to a first outlet arranged to be able to receive the drill cuttings held back on the filter device (3), and a second outlet (11) arranged to be able to receive the drilling liquid flowing through the filter device (3) and directed to the second outlet (11) via a channel (15), as the sieve device (1) is further provided with: - at least one secondary filter (13) arranged to be able to separate drill cuttings from drilling liquid, where the secondary filter (13) is arranged in said channel (15) in such a way as to lead drilling liquid through the secondary filter (13) and on to said second outlet (11); - a filter guard (17) arranged in connection with the secondary filter (13); and - a bypass arrangement (19) by means of which the filter guard (17) is arranged to be able to open for communication of untreated drilling mud held back on the secondary filter (13), into said second outlet (11) for drilling liquid.

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 41/00 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids

Abstract

An apparatus (1) and a method for ad-mixing an additive for a drilling fluid for use in the drilling of a petroleum well are described. The apparatus (1) includes: a mixing chamber (3) which is connected, in terms of fluid, to an inlet line (5) for drilling fluid, an outlet line (7) for drilling fluid and at least one dosing device (9, 9′) for an additive, the dosing device (9, 9′) being arranged to supply the additive from a container (11, 11′) to the mixing chamber (3) and to form a pressure-tight barrier between the mixing chamber (3) and the container (11, 11′); and a pumping device (13) arranged downstream of the mixing chamber (3), which is arranged to suck drilling fluid through the mixing chamber (3).

IPC Classes  ?

• B01F 15/02 - Feed or discharge mechanisms

Abstract

An apparatus (1) and a method for admixing an additive for a drilling fluid for use in the trilling of a petroleum well are described. The apparatus (1) includes: a mixing chamber (3) which is connected, in terms of fluid, to an inlet line (5) for drilling fluid, an outlet line (7) for drilling fluid and at least one dosing device (9, 9') for an additive, the dosing device (9, 9') being arranged to supply the additive from a container (11, 11') to the mixing chamber (3) and to form a pressure-tight barrier between the mixing chamber (3) and the container (11, 11'); and a pumping device (13) arranged downstream of the mixing chamber (3), which is arranged to suck drilling fluid through the mixing chamber (3).

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01F 3/12 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed liquids with solids
• B01F 5/12 - Pump mixers

Abstract

An apparatus (1) and a method for admixing an additive for a drilling fluid for use in the trilling of a petroleum well are described. The apparatus (1) includes: a mixing chamber (3) which is connected, in terms of fluid, to an inlet line (5) for drilling fluid, an outlet line (7) for drilling fluid and at least one dosing device (9, 9') for an additive, the dosing device (9, 9') being arranged to supply the additive from a container (11, 11') to the mixing chamber (3) and to form a pressure-tight barrier between the mixing chamber (3) and the container (11, 11'); and a pumping device (13) arranged downstream of the mixing chamber (3), which is arranged to suck drilling fluid through the mixing chamber (3).

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

A system and method for the treatment of a fluid comprising at least two of the fractions solid particles, liquid and/or gas is described having at least one inlet portion and two or more outlet portions, and being arranged to separate solid particles over a predetermined size from the liquid by at least one screening apparatus and then carrying the fractions out of the system. The system (1) being substantially fluid-tight between the at least one inlet and outlet inlet portions and being provided with at least one underpressure-generating device arranged to provide an underpressure in the system.

IPC Classes  ?

• B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions

Abstract

The present invention describes an apparatus (1) for the sieving and fluid separation of a material containing fractions of a solid and fluid, the material being placed on an upper side of at least one sieving element (13), and the apparatus (1) being provided with at least one fluid-flow-generating device (5) for the production of a fluid flow through a portion of the material-carrying sieving element (13). The invention also describes a method of using the apparatus (1).

IPC Classes  ?

• B01D 43/00 - Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration

Goods & Services

Filtering apparatus (machines) for the cleaning of fluids containing solids; parts and fittings to the aforementioned goods. Purification installations for the cleaning of fluids containing solids; parts and fittings to the aforementioned goods.

Abstract

A system (1) for the treatment of a fluid comprising at least two of the fractions solid particles, liquid and/or gas is described, the system (1) being defined by at least one inlet portion (3) and two or more outlet portions (5, 7, 9), and the system (1) being arranged to separate solid particles over a predetermined size from the liquid by means of at least one screening apparatus (23, 25) and then carry said fractions out of the system (1), the system (1) for the treatment of fluid being substantially fluid-tight between said at' least one inlet portion (3) and the outlet portions (5, 7, 9) and being provided with at least one underpressure-generating device (11, 13) which is arranged to provide an underpressure in the system (1) between said at least one inlet portion (3) and the outlet portions (5, 7, 9), the at least one screening apparatus (23, 25) being arranged to separate the fluid into fractions substantially including solids, liquid and/or gas, the fractions of the fluid being kept separate as the fractions are carried out of the system (1). Also described is a method of using the system (1).

IPC Classes  ?

• B01D 33/048 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
• B07B 1/10 - Screens in the form of endless moving bands
• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole

Abstract

A system (1) for the treatment of a fluid comprising at least two of the fractions solid particles, liquid and/or gas is described, the system (1) being defined by at least one inlet portion (3) and two or more outlet portions (5, 7, 9), and the system (1) being arranged to separate solid particles over a predetermined size from the liquid by means of at least one screening apparatus (23, 25) and then carry said fractions out of the system (1), the system (1) for the treatment of fluid being substantially fluid-tight between said at' least one inlet portion (3) and the outlet portions (5, 7, 9) and being provided with at least one underpressure-generating device (11, 13) which is arranged to provide an underpressure in the system (1) between said at least one inlet portion (3) and the outlet portions (5, 7, 9), the at least one screening apparatus (23, 25) being arranged to separate the fluid into fractions substantially including solids, liquid and/or gas, the fractions of the fluid being kept separate as the fractions are carried out of the system (1). Also described is a method of using the system (1).

IPC Classes  ?

• E21B 21/06 - Arrangements for treating drilling fluids outside the borehole
• B01D 33/048 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
• B07B 1/10 - Screens in the form of endless moving bands

Goods & Services

filtering apparatus, namely, machines for filtering drilling muds and oil sand Purification installations for the cleaning of fluids containing solids