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Matches 1 - 50 out of 3,374

Document Document Title
WO/2019/053431A1
A valve apparatus (30), such as a downhole valve apparatus, comprises a housing (32) having a flow path (34) therein and a valve member (40) mounted within the housing and being operable between closed and open configurations to control ...  
WO/2019/047873A1
Disclosed are a fluid separating device, a hoistway structure, and a petroleum or natural gas production method. By means of a fluid separating device (010) and a hoistway structure (020), the requirements for the intensity of a hitting ...  
WO/2019/050684A1
Example of the present disclosure relate to frac sleeve with set of inner sleeves that allow selective open and close of such sleeves, where clusters of the same frac sleeves to be treated top to bottom.  
WO/2019/050810A1
A method for operating a ram in a well pressure control apparatus includes communicating a control signal to at least one of a rotary motor and a source of pressurized fluid to operate at least one of the motor and the source of pressuri...  
WO/2019/023563A3
A water separation apparatus for downhole in a wellbore, comprising: a tubular housing comprising a collection of apertures to receive an emulsified mixture comprising liquid hydrocarbons and water from an oil reservoir through wellbore ...  
WO/2019/040212A1
A downhole tool and a tool assembly, of which the downhole tool includes an expandable sleeve defining a bore extending axially therethrough, a first swage positioned at least partially within the bore and including a valve seat configur...  
WO/2019/040231A1
A shifting tool can include a flow restrictor outwardly extendable in a well. A method can include flowing a fluid through a flow restriction, thereby creating a pressure differential and, in response, shifting a closure member while the...  
WO/2019/038643A1
A device, and a method for mitigating annular pressure buildup in a wellbore casing annulus of an oil or gas well. The device for mitigating annular pressure buildup comprises: - a tubular member (6) comprising an outer side, - a chamber...  
WO/2019/040060A1
A system for actuating a balance line safety valve comprising: a balance line safety apparatus comprising: a balance chamber disposed in a well; a relief valve in fluid communication with the balance chamber; a check valve in fluid commu...  
WO/2019/040798A1
A valve (30) has a valve body which includes a sub (31, 32). A bore (41) extends through the valve body and the sub. The valve also comprises a port (44) and a sleeve (34). The sleeve is mounted for hydraulic displacement. There is a pas...  
WO/2019/036732A2
Embodiments of the present disclosure include a test dart for wellbore pressure isolation. The test dart includes a body extending from a first end to a second end, the body having a bore extending therethrough, a diameter of the bore be...  
WO/2019/034848A1
A valve seat (42a) for a valve (24) is disclosed, the valve seat facilitating cutting of a. body (82) located within the seat. The valve seat comprises a sealing surface (76) for sealing with a valve member (44) and a generally annular c...  
WO/2019/035885A1
A downhole tool includes an upper flow tube connected to a lower flow tube, an upper flapper sub-assembly including an upper flapper, and a lower flapper sub-assembly including a lower flapper. The upper and lower flapper sub-assemblies ...  
WO/2019/032090A1
An apparatus for controlling fluid flow in a well includes an inner tubular member with a flow path formed therethrough and an outer tubular member configured to be positionable about the inner tubular member to define an annulus between...  
WO/2019/032228A1
A member includes a unitary body defining a first portion integrally joined with a second portion through one or more shear tabs. The first portion defines a piston portion having a first end section including an activation member, a sec...  
WO/2019/027590A1
A valve including a housing, a body having an aperture radially therethrough fluidly connecting a volume radially inwardly of the body with a volume radially outwardly of the body, a bulkhead sealedly disposed between the body and the ho...  
WO/2019/027467A1
Flow control systems are described for variably resisting flow of a fluid composition dependent on the surface energy of the fluid composition. Surface energy is a measure of the wettability of a surface with a particular the fluid. Surf...  
WO/2019/028090A1
A system for subterranean well developments includes a downhole assembly having well completion components for permanent installation within the subterranean well and interchangeable retrievable hardware. A connection system adapts the r...  
WO/2019/027509A1
A setting tool (400) for opening and closing a sleeve (210) inside a casing (200) includes a body (402) extending along a central longitudinal axis (X); a set of holding dogs (420) located around the body (402); and a set of sleeve dogs ...  
WO/2019/025627A1
The present invention relates to a valve component comprising a substrate with sliding surface, the sliding surface being designed to be subjected to sliding against another surface during operation of the valve, wherein at least a porti...  
WO/2019/023333A1
This document relates to a system for downhole water separation comprising: a wellbore (4) comprising: a tubular wall defining an inner surface (312) of the wellbore within an oil reservoir formation (2) within the Earth's crust; a first...  
WO/2019/023563A2
This document relates to systems and techniques for downhole separation of water and oil in oil well operations.  
WO/2019/023235A1
A sliding sleeve valve for use in a borehole includes an outer housing including a radial housing slot, a sliding sleeve slidably disposed in the outer housing, the sliding sleeve including a radial sleeve slot and configured to have a f...  
WO/2019/017921A1
A system for controlling fluid flow in a subterranean well includes a first valve, a control line fluidly coupled to the first valve, an equalizing line disposed externally to and separate from the first valve, and at least a second valv...  
WO/2019/016095A1
A control system (204) for monitoring a filter (2a, 2b) in a subsea control module (SCM) (202) of an underwater hydrocarbon well is presented. The control system includes an upstream pressure transducer (10a, 10b) disposed upstream of a ...  
WO/2019/017872A1
A rotary valve can include a seat and a rotary actuator, each with a surface, the rotary actuator rotatably mounted to a housing. The surfaces can form a seal due to their engagement with an engagement force used to maintain the engageme...  
WO/2019/016523A1
A cutting tool, comprising: an elongate main body having an inlet end and an outlet end, a fluid flow path being defined between the inlet and the outlet ends; a piston mounted within the main body and longitudinally movable with respect...  
WO/2019/013766A1
Control valves can allow for a steering assembly of a drill string. An exemplary control valve can include a first valve element including a first orifice, the first valve element being movable by actuation by a motor, and a second valve...  
WO/2019/011598A1
The present invention relates to a subsea hydraulic control device (10) for hydraulically controlling a subsea module (2). The control device (10) comprises a hydraulic distribution unit (12) with a valve unit (13) and a manifold unit (5...  
WO/2019/012266A1
A fluid flow control valve (10) configured to provide a counter flow of a secondary fluid (22) into a primary fluid flow (23) so as to stabilise or regulate turbulence and pressure changes with a conduit network. The valve (10) may find ...  
WO/2019/013871A1
A flow control mechanism includes a housing defining a through bore and a cavity contiguous with the through bore, and a barrier received within the cavity of the housing. The barrier is moveable between a sealing position in which fluid...  
WO/2019/011563A1
The present invention relates to a well tool device (1) comprising a housing (10) having an axial through bore (11). A sleeve section (20) is releasably connected to the housing (10) in the through bore (11). The sleeve section (20) comp...  
WO/2019/009911A1
Control valves can allow a well operator to steer a drill string. An exemplary control valve can include a valve body with an axial bore and a radial orifice in fluid communication with the axial bore, wherein flow passing through the ax...  
WO/2019/010215A1
A valve device selectively communicates annulus pressure or pressure from a hydraulic circuit to an actuation piston of a borehole tool to directly or indirectly set the borehole tool. A valve member is held against spring bias by a reta...  
WO/2019/010463A1
An oil and gas configuration is disclosed that creates and uses a single straight-line fluid path between a zipper module and a fracturing (or Christmas) tree. The single straight-line fluid path is created through connecting a series of...  
WO/2019/009769A1
The invention relates to petroleum engineering, and more particularly to designs for check valves that can be used in conjunction with downhole sucker-rod pumps or electric centrifugal pumps primarily intended for pumping fluids with a h...  
WO/2019/008310A1
A downhole fluid control apparatus (26) comprises first and second conduits (30, 32) for providing communication between a pressure source and a downhole device, and a valve (44) provided within a housing and configurable between a first...  
WO/2019/002632A1
Electric valve actuator, comprising: a stem (41, 43) for moving a valve member between open and closed positions; a drive assembly for moving the stem comprising an electric motor (31); a biasing assembly (5) adapted to act on the stem t...  
WO/2019/004842A1
A system for hydraulically controlling a subsea device, the system comprising a compensator provided within a cavity of a well system, a hydraulic connection between the compensator and the subsea device, a pressure regulator arranged to...  
WO/2019/004838A1
A alve system (101) for use in a wellbore, comprising a side pocket mandrel (92) having a main bore (102) for alignment with a wellbore tubular (91) and a laterally offset side pocket bore (103) separated from the main bore (102) by an i...  
WO/2019/005248A1
A well tool can include a closure member having open and closed positions, a seat having a flow passage blocked by the closure member in the closed position, and a line extending through the seat. A communication method can include posit...  
WO/2019/002906A1
Electric valve actuator, comprising: a stem (41, 43) for moving a valve member between open and closed positions; a drive assembly for moving the stem comprising an electric motor (31); a biasing assembly (5) adapted to act on the stem t...  
WO/2018/237203A1
Systems and methods include a mechanical isolation device that comprises a sleeve, which includes a port for fluid flow between an internal bore of the sleeve and an inside of a tubular. A receiver positioned in the internal bore include...  
WO/2018/237205A1
Systems and methods include a plug activated mechanical isolation device that controls fluid flow inside a tubular in a wellbore. The device includes a sleeve for coupling to the tubular, and the sleeve includes an internal bore and port...  
WO/2018/236368A1
Systems and method for injection a chemical into a wellbore. A chemical injection system may comprise a first valve, a chemical line, a pilot line, an injection line, and a backflow prevention valve disposable in the injection line. A pr...  
WO/2018/236339A1
An apparatus for controlling fluid flow into a well includes an outer tubular member and an inner tubular member. The outer tubular member includes a screen configured to enable fluid flow therethrough between an exterior and an interior...  
WO/2018/232687A1
Disclosed are a composite water-controlling and flow-limiting device and a screen pipe thereof. The composite water-controlling and flow-limiting device comprises a composite water-controlling screen pipe. The composite water-controlling...  
WO/2018/232161A1
A concentric flow valve for a dual zone completion tool includes an upper seal bore sleeve, lower inner sleeve, ported sub, opening sleeve, and piston positioned within an outer sub. The upper seal bore sleeve, ported sub, and outer sub ...  
WO/2018/231364A1
A control system for a subsea blowout preventer (BOP) positioned in a lower stack, the lower stack releasably engaged with a lower marine riser package (LMRP). The control system includes a surface logic solver positioned at or adjacent ...  
WO/2018/229484A1
A downhole gravel packing apparatus, comprising: a tubular assembly for being arranged within a wellbore to define an annulus between said tubular assembly and a wall of the wellbore; and a control valve provided within the tubular assem...  

Matches 1 - 50 out of 3,374