Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 3,340

Document Document Title
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...  
WO/2018/231380A1
A pressurized seat check valve including a flexible frustoconical seat having a back surface configured for exposure to upstream pressure, a closure member in sealable communication with the seat, the closure member being biased into con...  
WO/2018/227003A1
An actuator sub for generating hydraulic pressure having a sub housing which includes (i) an outer surface, (ii) a main flow passage extending though the sub housing, and (iii) a wall space formed between the main flow passage and the ho...  
WO/2018/223205A1
A fully electric downhole safety tool comprising a valve (200) for flow blockage in oil and gas wells completion operations under emergency conditions is described. Valve (200) comprises an actuation array constituted by a hollow shaft m...  
WO/2018/227056A1
A metal ring seal capable of providing a fluid seal between two downhole assemblies. The ring seal has a "C" shape, is initially located inside one of the downhole assemblies adjacent to an internal wedged section of that assembly and ha...  
WO/2018/226225A1
A technique provides a desired control over incremental actuation of hydraulic devices. A hydraulically actuated tool is combined with a control module. The hydraulically actuated tool has an actuator piston positioned in a piston chambe...  
WO/2018/218322A1
The present invention relates to a wet Christmas tree (ANM) (10) that is segmented into a lower safety module (04) containing the safety valves and the upper multifunctional module (02) for controlling the flow and/or pumping and/or subs...  
WO/2018/217328A1
A shifting tool (30) can include an inner mandrel (32), engagement members (40) engageable with a well tool component (80), and a detent device (60) that prevents relative displacement between the inner mandrel (32) and the engagement me...  
WO/2018/215747A1
A completion assembly (4) defines a throughbore (50) and comprises an isolation valve (46) which is configurable between an open state in which the isolation valve permits fluid to flow through the throughbore and a closed state in which...  
WO/2018/217329A1
A shifting tool (30) for use in displacing a component (80) of a well tool can include an inner mandrel (32), at least one shifting key (40), at least one reset dog (50), and a retraction sleeve (54). The shifting key (40) retracts relat...  
WO/2018/217330A1
A method of manufacturing a safety valve (24) chamber housing (28) can include depositing a chamber housing material, and thereby gradually building up the chamber housing and forming a chamber (30) in the chamber housing enclosed by the...  
WO/2018/217506A1
A sensing and communication system for a gas lift well is provided. The gas lift well includes a casing, production tubing positioned within the casing, and a gas lift valve coupled to the production tubing. The sensing and communication...  
WO/2018/215857A1
A cementing stage collar comprising a body having a flow port, a group of sleeves configured to move within the body thereby selectively blocking the flow port and wherein at least one sleeve is dissolvable, and a first closing element c...  
WO/2018/213367A1
A rotary drive actuator for an annular well pressure control device includes a piston having a tapered inner surface, a through bore and a threaded outer surface. A threaded sleeve having a threaded inner surface is in threaded engagemen...  
WO/2018/208493A1
An apparatus (100) for controlling fluid flow in a borehole includes a basepipe (110) and a flow device (130). The basepipe (110) has a through-bore (112) and defines at least one perforation (115). The throughbore (112) conveys the flui...  
WO/2018/208396A1
A diffuser valve including a housing having a housing porta closure member in operable communicating with the housing, the member having a member port, a diffuser having at least a body exhibiting porosity configured to reduce a fluid fl...  
WO/2018/203047A1
An oil or gas well actuator (1) assembly comprising a fixed member (10), an actuating member (30) being moveable axially with respect to the fixed member, with open-ended recesses containing canted coil springs (40) on e.g. the fixed mem...  
WO/2018/204634A1
Embodiments of the present disclosure include a method of replacing valve operation methods during fracturing operations including installing a first operator on a first valve of a first fracturing tree. The method also includes installi...  
WO/2018/204597A1
Embodiments of the present disclosure include a valve assembly including a supply housing (64) with a first bore (72) and an injectable housing (66) coupled to the supply housing (64) with a second bore (74). The valve assembly further i...  
WO/2018/199769A1
A wellbore hydraulic line rectification device (1) arranged to rectify a hydraulic line (50) in-situ, the rectification device (1) comprises; - a rectification line feeder (10), - a longitudinal first rectification line (20), wherein the...  
WO/2018/199768A1
The invention relates to a chemical injection system (1) for injecting a chemical into fluids in wells (3), said chemical injection system (1) comprising: a downhole injection tool (11) positioned in a well (3); a pump (5); a supply line...  
WO/2018/193265A1
A downhole valve assembly comprises a sleeve concentric with a housing and movable relative to a port through the housing to control flow of fluid through the port. A sensor assembly provides indicates the relative positions of the sleev...  
WO/2018/194769A1
An article comprising a carbon composite containing carbon microstructures having interstitial spaces among the carbon microstructures; and a binder disposed in at least some of the interstitial spaces; wherein the carbon microstructures...  
WO/2018/191735A1
A downhole tool control apparatus includes a control assembly, a stroking assembly, and a pocket sleeve positioned in an outer sub. The control assembly and stroking assembly are independently slidable axially within the outer sub. The c...  
WO/2018/187854A1
A multi-zone, one trip completion system for a wellbore is described. A plurality of isolation packers is installed in borehole to isolate a plurality of zones of the annulus between a tubing string and a wellbore. Each tubing string sec...  
WO/2018/191407A1
A valve for a plug passage features opposed perforated magnetic discs that repel each other to stay apart allowing flow through the openings of the spaced discs. When a predetermined flow rate is exceeded, the magnetic repelling force is...  
WO/2018/187602A1
A valve for use in a wellbore includes a housing including a housing port, a slidable closure member disposed in a bore of the housing and including a closure member port, a seal disposed in the housing, and a detent disposed radially be...  
WO/2018/186976A1
A downhole tool including a housing, a first portion of a trigger mechanism disposed in the housing, a degradable-on-command component movably disposed within the housing, a second portion of the trigger mechanism disposed in the compone...  
WO/2018/187066A1
A spring includes a spring member including a Ni-base, Co-base or Ni-Co base alloy, the spring member having an outer surface, and a coating disposed on the outer surface of the spring member, wherein the coating includes a metal.  
WO/2018/186977A1
A sand screen assembly including a base pipe, a filtration subassembly disposed about the base pipe, the filtration assembly being removable and replacable on the base pipe as a subassembly, a hollow defined between the filtration subass...  
WO/2018/187602A4
A valve for use in a wellbore includes a housing including a housing port, a slidable closure member disposed in a bore of the housing and including a closure member port, a seal disposed in the housing, and a detent disposed radially be...  
WO/2018/182796A1
A downhole assembly includes a downhole tool including a degradable-on-demand material including: a matrix material; and, a unit in contact with the matrix material. The unit includes a core including an energetic material configured to ...  
WO/2018/182565A1
A method, a device and a system for activating a running/setting tool are provided. The method includes: 1) detecting a wellbore condition at the running tool, 2) based on a signal from surface equipment received at the running tool, ini...  

Matches 1 - 50 out of 3,340