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WO/2021/230888A1 |
A method and system for determining a position of a linearly translating member. The method may comprise transmitting an excitation into a linearly translating member through one or more couplers from an acoustic device disposed in an ou...
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WO/2021/231352A1 |
The present disclosure generally relates to a flapper valve including a pressure relief assembly. The pressure relief assembly is operable to activate when a pressure differential across the flapper approaches or exceeds a design pressur...
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WO/2021/225962A1 |
A reclosable circulating valve comprises a housing body having a throughbore and a circulation port to permit fluid communication between the well and the throughbore. The reclosable circulating valve further comprises a mandrel in the h...
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WO/2021/224831A1 |
A well control assembly for use on subsea wells, especially during intervention or workover operations. The well control assembly is light weight, compact, and modular and, thus, can be deployed from much smaller vessels than conventiona...
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WO/2021/225635A1 |
Ball valves, methods to close a ball valve, and methods to form a well barrier are discussed. A ball valve includes a valve housing and a ball that is rotatably movable from an open position to a closed position. The ball valve also incl...
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WO/2021/225607A1 |
A a multi-functional well completion apparatus and method of operation thereof that offers the ability, in a single trip and with limited running tool manipulation, to perform downhole completion operations, such as gravel pack operation...
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WO/2021/225754A1 |
An indexing valve system includes a first tubular having an outer surface portion, an inner surface portion defining a passage portion, and a plurality of indexing components. A second tubular is axially aligned with the first tubular. T...
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WO/2021/226219A1 |
A resource exploration and recovery system including a first system, and a second system extending into a wellbore. The second system includes a completion having a casing defining a wellbore internal diameter. Chemical injection tubing ...
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WO/2021/225957A1 |
This disclosure presents a latch back pressure valve for use with a wellhead assembly. The latch back pressure valve includes a body and at least one seal extending circumferentially around the body. A plurality of extendable latches are...
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WO/2021/221691A1 |
A downhole tool for use within a borehole. The downhole tool may include a body including a port that allows fluid flow between a bore of the downhole tool and an area outside of the body and a sleeve slidable from a run-in position to a...
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WO/2021/218253A1 |
Disclosed is an internal blowout-prevention gas-retaining connector for mine. The connector comprises a body; the body is mounted at the bottom of a drill pipe (4); the body comprises a valve pipe section (701) and a connecting pipe sect...
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WO/2021/221696A1 |
The disclosed embodiments include pressure-activated firing heads, perforating gun assemblies, and methods to set off a downhole explosion. A pressure-activated firing head includes a first chamber and a second chamber having an energy s...
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WO/2021/216245A1 |
A running tool includes a tool body having a fluid conduit, and an actuation assembly including an actuator member connected to a release mechanism, the actuator member moveable in an axial direction from a first position to a second pos...
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WO/2021/216945A1 |
Fracturing systems with frac valves having gates for controlling flow of fracturing fluid are provided. In one embodiment, a fracturing apparatus includes a frac valve having a housing with a cavity transverse to a bore. A gate is positi...
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WO/2021/216095A1 |
A system and method for identifying a position of a sliding sleeve. The system may comprise an outer housing, a sliding sleeve within the outer housing, one or more magnetic switches, and a magnet. A method may comprise closing a switch ...
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WO/2021/217182A1 |
A well annulus pressure control system includes a reservoir in fluid communication with a well annulus, a control valve disposed on a fluid coupling between the reservoir and well annulus, a sensor disposed in the well annulus that detec...
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WO/2021/214426A1 |
A subsurface safety valve control system including a downhole station 5 for provision in downhole metallic structure (2) of a well installation which comprises a subsurface safety valve V having an open state allowing flow through the va...
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WO/2021/211664A1 |
A system includes an outer completion string, an inner service string configured to connect within the outer completion string, and an upper completion. The outer completion string includes at least one isolation packer, a sand control a...
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WO/2021/208049A1 |
Disclosed is a petroleum deposition liquid suction device with a high degree of freedom. The petroleum deposition liquid suction device comprises a first suction pipe (1) and a second suction pipe (2), wherein the first suction pipe (1) ...
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WO/2021/211179A1 |
A wellbore isolation device, comprising: a mandrel (24) having a cylindrical body; a sealing element (38) disposed about the mandrel (24) and radially expandable from a first run-in diameter to sealing engagement with the an inner surfac...
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WO/2021/207304A1 |
A completion string includes at least one isolation packer positioned between well zones of a plurality of well zones, and a sand control assembly and a circulating assembly each disposed uphole of a washdown shoe in the bottom-most well...
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WO/2021/207211A1 |
A system and a method for reducing annular pressure with a casing annulus pressure release system are described. The casing annulus pressure release system includes a controller, multiple sensors, and a pressure release sub-system dispos...
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WO/2021/206901A1 |
The present disclosure is for an inverted diffuser usable in wellheads and other wellsite equipment. The inverted diffuser includes at least one first section having a first vertical inner surface, a first inclined inner surface relative...
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WO/2021/202585A1 |
A valve gate may include a threaded rod, a nut engaged with the threaded rod, a movable body mounted on the threaded rod, a seal, a pair of levers, and first and second housing components that at least partially enclose the other compone...
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WO/2021/202086A1 |
A liner string (10) for a wellbore includes a liner hanger assembly LHA (30) and a liner hanger deployment assembly LHDA (20) releasably attached to the LHA (30). The LHDA (20) includes a central bore (21) and a running tool (400) moveab...
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WO/2021/195753A1 |
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may generally include (A) a rupture disc having a side surface having a shallow taper inward towards a...
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WO/2021/203137A1 |
Some systems and methods include a tubular defining a passageway, one or more packers coupled to the tubular, and two or more valves coupled to the tubular. Some such systems are operable by increasing pressure within the passageway such...
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WO/2021/195752A1 |
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may include a rupture disc having a side surface that has a shallow angle taper inward towards a botto...
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WO/2021/202426A1 |
A fluid pulse generator can include a fluid motor and a bypass flow path in fluid communication with an inlet and an outlet, and a flow control device configured to permit flow through the bypass flow path in response to a predetermined ...
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WO/2021/202301A1 |
A suspension head (11) is provided for connection between a high pressure riser (8) and a subsea wellhead (9), for use in drilling and completion operations in which a jack-up rig (1) is employed and a blowout preventer (7) is installed ...
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WO/2021/195030A1 |
A downhole component including a member having an outer surface, a constrained element configured to move relative to the member between a first position and a second position, and an on-demand hydrostatic/hydraulic trigger system includ...
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WO/2021/195179A1 |
A well pump assembly has a tubular receptacle (15) for attachment to a lower end of a string of production tubing (13). A docking station (17) mounts to the receptacle (15), the docking station having a lower well fluid conduit (19) for ...
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WO/2021/195486A1 |
The system includes a washpipe (20), a screen (32), and a circulation sub (100) coupled to the washpipe. The circulation sub includes a central axis (115) and also includes an expansion switch (110) comprising an inner tubular member (11...
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WO/2021/190787A1 |
The invention relates to a self-propelled valve actuator on a rail transport system for manifolds and Christmas trees. The valve actuator is moveable along a transport rail and may operate several valves. The valve actuator is driven by ...
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WO/2021/194522A1 |
Aspects of the subject technology relate to systems and methods for deploying fiber optic lines in a wellbore using a fiber optic deployment device. The device can include at least one fiber optic spool forming a canister. The canister c...
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WO/2021/188508A1 |
A method for disposing a completion assembly within a wellbore in a single trip. The completion assembly includes a mechanical formation isolation valve in an open position, a production sealing element, and a production sealing element ...
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WO/2021/188239A1 |
An isolation device can include a packer element that is actuated via a slip system to engage with an inner diameter of a tubing string to set the plug. The isolation device can be a frac plug. Top and bottom slip props of the slip syste...
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WO/2021/183802A1 |
The invention relates to the checking of pressure in various void or cavities of a wellhead or Xmas tree of an active hydrocarbon well. Pressure sensing plugs (51) are provided at various points in the wellhead/Xmas tree (50). Each plug ...
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WO/2021/183379A1 |
A technique facilitates pressure application downhole by locking a ball in place to prevent it from unseating even if the pressure is bled off. A ball seat is constructed with a locking feature for effectively capturing and retaining the...
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WO/2021/181320A1 |
The present invention relates to an apparatus for injecting an accelerating fluid into an oil well. Said apparatus comprises a casing which is open at the ends into which a cement flows. Said casing is positioned inside the well forming ...
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WO/2021/178944A1 |
Drill strings and related ball dropping tools are provided. In accordance with an example, a ball dropping tool 102 includes an outer body 116, an inner body 126, a side bore 132, 133, a ball 112, 114, and an actuator 146. The outer body...
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WO/2021/178728A1 |
A propulsion tool for delivering a tubing into a subterranean well for performing a downhole operation includes a tool housing, the tool housing being a tubular shaped member. A connector system is operable to secure the propulsion tool ...
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WO/2021/179004A1 |
An aggregate MRC well and method for extracting hydrocarbons from one or multiple subsurface formations are disclosed. The aggregate MRC well includes a plurality of maximum reservoir contact (MRC) wells, a plurality of independently ope...
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WO/2021/178480A1 |
A counter including a housing disposed about a tubular creating a space therebetween, a piston disposed in the space and responsive to pressure up events in the tubular to compress a transfer chamber, a supply chamber fluidly attached to...
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WO/2021/178943A1 |
An internal assembly (230) for a tool (200) includes a retainer (232) that at least partially defines an axial bore (238). The retainer (232) further defines a port (246) providing a path of fluid communication from an exterior of the re...
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WO/2021/173037A1 |
The invention relates to oil-submersible equipment and can be used in bypass systems for submersible pump assemblies as an improved Y-tool. The present device has two branches at one end for connection to a submersible pump assembly and ...
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WO/2021/173155A1 |
Provided is a downhole zonal isolation assembly. The downhole zonal isolation assembly, in accordance with one aspect, includes a rotating fracturing valve positionable within wellbore casing proximate a fracturing zone of interest. The ...
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WO/2021/173633A1 |
A well completion including an electric safety valve and a female inductive coupler is provided. A corresponding male inductive coupler is aligned with the female inductive coupler to provide for the transfer of power and/or telemetry du...
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WO/2021/173159A1 |
A control system for and oil and gas production well includes a controller connected to a well string extending downhole from a wellhead. The control system maximizes downhole pump efficiency and oil and gas production by interactively m...
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WO/2021/173684A1 |
A downhole valve assembly includes a safety valve and an actuator that opens and/or closes the valve. The actuator can be an electro-hydraulic actuator (EHA), an electro mechanical actuator (EMA), or an electro hydraulic pump (EHP). The ...
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