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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 53. Отображено 53.
03-05-2023 дата публикации

Expanding metal for plug and abandonment

Номер: GB0002612530A
Принадлежит:

Provided is an expandable metal plug for use in a wellbore tubular. The expandable metal plug, in one aspect, includes a downhole member positionable proximate a plug and abandonment section in a wellbore tubular, wherein at least a portion of the downhole member comprises a metal configured to expand in response to hydrolysis to seal the wellbore tubular ...

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23-11-2022 дата публикации

Downhole fracturing tool assembly

Номер: GB0002606895A
Принадлежит:

Provided is a downhole fracturing tool assembly, a well system, and a method for fracturing a well system. The downhole fracturing tool assembly, in one aspect, includes a fracturing port cover coupleable to an interior of a wellbore casing having one or more fracturing ports therein. The downhole fracturing tool assembly, according to this aspect, further includes a fracturing port cover actuator coupled to the fracturing port cover, the fracturing port cover actuator operable to move the fracturing port cover between a first position sealing the one or more fracturing ports from an interior of the wellbore casing and a second position exposing the one or more fracturing ports to the interior of the wellbore casing, and fracturing port cover electronics coupled to the fracturing port cover actuator proximate the fracturing port cover, the fracturing port cover electronics operable to activate the fracturing port cover actuator.

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10-08-2022 дата публикации

Completion systems and methods to complete a well

Номер: GB0002603688A
Принадлежит:

Completion systems and methods to complete a well are disclosed. A method to complete a well includes installing a casing across a plurality of zones of a well. The casing includes an opening and a sleeve positioned inside the casing. The method also includes shifting the sleeve from a first position to a second position to uncover the opening to provide fluid communication from a zone of the plurality of zones to the casing. After shifting the sleeve from the first position to the second position, the method includes flowing a screen assembly having a filter inside the casing and toward the sleeve. The method further includes positioning the filter around the opening and sealing the screen assembly around the opening to confine fluid flow through the opening to flow through the filter.

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15-03-2023 дата публикации

Proppant flow back restriction systems, methods to reduce proppant flow back, and methods to deploy a screen over a port

Номер: GB0002610777A
Принадлежит:

Proppant flow back restriction systems, methods to reduce proppant flow back, and methods to deploy a screen over a port are disclosed. A proppant flow back restriction system includes a tubular extending through a wellbore and having a port disposed along the tubular. The system also includes a screen positioned along the tubular. The system further includes a cover disposed in an interior region of the tubular, where the cover is shiftable from a first position to a second position, and from the second position to a third position. The cover covers the port while the cover is in the first position, and uncovers the port while the cover is in the second position. The cover also engages the screen while shifting from the second position to the third position to shift the screen over the port.

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17-05-2017 дата публикации

Degradable downhole tools comprising magnesium alloysª

Номер: GB0002544421A
Принадлежит:

Downhole tools having at least one component made of a doped magnesium alloy solid solution that at least partially degrades in the presence of an electrolyte, wherein the doped magnesium alloy is selected from the group consisting of a doped MG magnesium alloy, a doped WE magnesium alloy, a doped AZ magnesium alloy, a doped ZK magnesium alloy, a doped AM magnesium alloy, and any combination thereof.

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21-09-2022 дата публикации

Voltage to accelerate/decelerate expandable metal

Номер: GB0002605062A
Принадлежит:

Provided is a method for setting a downhole tool, and a downhole tool, and a well system employing the same. The method, in at least one aspect, includes positioning a downhole tool within a wellbore, the downhole tool including expandable metal configured to expand in response to hydrolysis, and subjecting the expandable metal to a wellbore fluid to expand the expandable metal into contact with one or more surfaces. The method, in at least one aspect, further includes applying a voltage to the expandable metal while the expandable metal is being subjected to the wellbore fluid.

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06-04-2022 дата публикации

Methods to monitor a metallic sealant deployed in a wellbore, methods to monitor fluid displacement, and downhole metallic sealant measurement systems

Номер: GB0002599552A
Принадлежит:

The disclosed embodiments include methods to monitor expansion of a metallic sealant deployed in a wellbore, methods to monitor downhole fluid displacement, and downhole metallic sealant measurement systems. The method to monitor expansion of a downhole metallic sealant includes deploying a metallic sealant deployed along a section of a wellbore. The method also includes exposing the metallic sealant to a reacting fluid to initiate a galvanic reaction. The method further includes measuring a change in temperature caused by the galvanic reaction. The method further includes determining an amount of expansion of the metallic sealant based on the change in the temperature.

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13-09-2023 дата публикации

Heat hardening polymer for expandable downhole seals

Номер: GB0002616572A
Принадлежит:

An expandable, hardening seal for downhole use in a wellbore includes a heat-hardening material and a heat-stable material. The heat-hardening material has a stiffness that increases after exposure to a downhole temperature and the heat-stable material has a stiffness that does not increase or increases to a lesser degree than that the heat-hardening material at the downhole temperature.

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31-03-2021 дата публикации

Electronic flow control node to aid gravel pack & eliminate wash pipe

Номер: GB0002587553A
Принадлежит:

A completion assembly to aid in gravel packing a wellbore which assembly includes a plurality of interconnected sand screen assemblies, each sand screen assembly having a wireless adjustable electronic flow control node disposed along the sand screen base pipe to control flow of a gravel packing slurry from the base pipe into the wellbore annulus. Each electronic flow control node includes a valve that can be adjusted by an electric actuator powered by a power harvesting mechanism disposed in a flow path of the completion assembly. A wireless transmitter receives a control signal to control the electric actuator. The control signal may be transmitted sequentially from a distal most sand screen assembly to a proximal sand screen assembly in order to sequentially build the gravel pack.

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22-11-2023 дата публикации

Downhole vapor-transition control valve for fluid injection

Номер: GB0002618933A
Принадлежит:

A flow control valve configured to be positioned in a tubing in a borehole formed in a subsurface formation, wherein the flow control is used to regulate a flow of an injection fluid into the subsurface formation based on a vapor-transition characteristic of a fluid contained within a chamber of the flow control valve.

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28-06-2017 дата публикации

Downhole tools comprising cast degradable sealing elements

Номер: GB0002545794A
Принадлежит:

Downhole tools including a body, wherein at least a portion of the body is degradable when exposed to a wellbore environment; and at least one degradable sealing element comprising a cast degradable elastomer, wherein at least a portion of the cast degradable sealing element degrades when exposed to the wellbore environment.

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16-08-2017 дата публикации

Wireless activation of wellbore tools

Номер: GB0002547354A
Принадлежит:

Systems and methods are disclosed for a well tool. The well tool system includes a receiving tool including two ends positioned in a wellbore tubular in a predetermined orientation. The receiving tool is configured to transition from an inactive state to an active state in response to a triggering signal. The well tool system further includes a transmitting tool at a surface and proximate to the receiving tool. The transmitting tool is configured to wirelessly transmit the triggering signal to the receiving tool using inductive coupling based on the predetermined orientation.

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12-01-2022 дата публикации

Metal that hydrates in wellbore fluid and creates an expanding cement

Номер: GB0002596995A
Принадлежит:

Disclosed herein are methods and systems that utilize reactive metals that hydrate in the presence of a wellbore fluid. The reactive metals disclosed herein can be utilized in cement compositions, on the outer surface of the oilfield tubular in the form of a layer of the reactive metal(s), or on the outer surface of the oilfield tubular in the form of a layer of a composition that includes the reactive metal(s).

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15-06-2022 дата публикации

Electronic flow control node to aid gravel pack & eliminate wash pipe

Номер: GB0002587553A8
Принадлежит:

A completion assembly to aid in gravel packing a wellbore which assembly includes a plurality of interconnected sand screen assemblies, each sand screen assembly having a wireless adjustable electronic flow control node disposed along the sand screen base pipe to control flow of a gravel packing slurry from the base pipe into the wellbore annulus. Each electronic flow control node includes a valve that can be adjusted by an electric actuator powered by a power harvesting mechanism disposed in a flow path of the completion assembly. A wireless transmitter receives a control signal to control the electric actuator. The control signal may be transmitted sequentially from a distal most sand screen assembly to a proximal sand screen assembly in order to sequentially build the gravel pack.

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17-05-2017 дата публикации

Fresh water degradable downhole tools comprising magnesium and aluminum alloys

Номер: GB0002544422A
Принадлежит:

Downhole tools, methods, and systems of use thereof, the downhole tools comprising at least one component made of a doped alloy that at least partially degrades by micro-galvanic corrosion in the presence of fresh water having a salinity of less than about 1000 ppm, and wherein the doped alloy is selected from the group consisting of a doped magnesium alloy, a doped aluminum alloy, and any combination thereof.

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26-04-2023 дата публикации

Electronic flow control node to aid gravel pack & eliminate wash pipe

Номер: GB0002612213A
Принадлежит:

A completion assembly to aid in gravel packing a wellbore which assembly includes a plurality of interconnected sand screen assemblies, each sand screen assembly having a wireless adjustable electronic flow control node disposed along the sand screen base pipe to control flow of a gravel packing slurry from the base pipe into the wellbore annulus. Each electronic flow control node includes a valve that can be adjusted by an electric actuator powered by a power harvesting mechanism disposed in a flow path of the completion assembly. A wireless transmitter receives a control signal to control the electric actuator. The control signal may be transmitted sequentially from a distal most sand screen assembly to a proximal sand screen assembly in order to sequentially build the gravel pack.

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03-08-2022 дата публикации

Expandable metal wellbore anchor

Номер: GB0002603334A
Принадлежит:

Disclosed herein are aspects of an expandable metal wellbore anchor for use in a wellbore. The expandable metal wellbore anchor, in one aspect, includes one or more expandable members positionable on a downhole conveyance member in a wellbore, wherein the one or more expandable members comprise a metal configured to expand in response to hydrolysis, and wherein a combined volume of the one or more expandable members is sufficient to expand to anchor one or more downhole tools within the wellbore in response to the hydrolysis.

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01-11-2023 дата публикации

Washout prevention element for expandable metal sealing elements

Номер: GB0002618253A
Принадлежит:

Forming a seal in a wellbore using an expandable metal sealing element 10 comprising a reactive metal and a washout prevention element 205 that comprises an absorbent polymer 210. The expandable metal sealing element 10 is contacted with a fluid that reacts with the reactive metal to produce a reaction product having a volume greater than the reactive metal. The reactive metal may be selected from the group consisting of magnesium, calcium, aluminium, tin, zinc, beryllium, barium and manganese. The washout prevention element 205 prevents at least a portion of the reaction product from flowing away from the location the expandable metal sealing element 10 is disposed in. The absorbent polymer 210 may be restrained by a degradable restraint 215. The washout prevention element 205 may be actuated by degradation of the restraint 215 to release the absorbent polymer 210, which would swell to fill the surrounding space and prevent washout of the reaction products.

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14-06-2017 дата публикации

Downhole tools comprising aqueous-degradable sealing elements of thermoplastic rubber

Номер: GB0002545362A
Принадлежит:

Downhole tools and methods and systems associated therewith, wherein the downhole tools comprise a body and at least one sealing element comprising an aqueous-degradable thermoplastic rubber copolymer composed of a thermoplastic component and a rubber component. The thermoplastic component is present in an amount of about 5% to about 95% by weight of the aqueous-degradable thermoplastic rubber copolymer, and at least a portion of the sealing element hydrolytically degrades when exposed to an aqueous fluid.

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12-04-2017 дата публикации

Degradable wellbore isolation devices with degradable sealing balls

Номер: GB0002543213A
Принадлежит:

Downhole tools including a wellbore isolation device that provides a plurality of components including a mandrel, a packer element, and a sealing ball, wherein the mandrel defines a central flow passage that allows fluid flow in at least one direction through the wellbore isolation device, wherein at least a portion of the mandrel is composed of a degradable metal material, at least a portion of the packer element is composed of an elastomer, and at least a portion of the sealing ball is composed of a degradable substance, and wherein the degradable metal material and the degradable substance degrades upon exposure to a wellbore environment.

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12-10-2022 дата публикации

Downhole zonal isolation assembly

Номер: GB0002605731A
Принадлежит:

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 downhole zonal isolation assembly, according to this aspect, further includes a rotating fracturing valve actuator coupled to the rotating fracturing valve, and rotating fracturing valve electronics coupled to the rotating fracturing valve actuator, the rotating fracturing valve electronics operable to activate the rotating fracturing valve actuator to move the rotating fracturing valve from a first wellbore casing open position to a second wellbore casing closed position.

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26-04-2023 дата публикации

Electronic flow control node to aid gravel pack & eliminate wash pipe

Номер: GB0002612214A
Принадлежит:

A completion assembly to aid in gravel packing a wellbore which assembly includes a plurality of interconnected sand screen assemblies, each sand screen assembly having a wireless adjustable electronic flow control node disposed along the sand screen base pipe to control flow of a gravel packing slurry from the base pipe into the wellbore annulus. Each electronic flow control node includes a valve that can be adjusted by an electric actuator powered by a power harvesting mechanism disposed in a flow path of the completion assembly. A wireless transmitter receives a control signal to control the electric actuator. The control signal may be transmitted sequentially from a distal most sand screen assembly to a proximal sand screen assembly in order to sequentially build the gravel pack.

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15-11-2023 дата публикации

Expandable metal as backup for elastomeric elements

Номер: GB0002618745A
Принадлежит:

Provided is a sealing tool, a method for sealing an annulus within a wellbore, and a well system. The sealing tool, in at least one aspect, includes a sealing assembly positioned about a mandrel. In at least one aspect, the sealing assembly includes one or more elastomeric sealing elements having a width (WSE), the one or more elastomeric sealing elements operable to move between a radially relaxed state and a radially expanded state. In at least this aspect, the sealing assembly includes a pair of expandable metal features straddling the one or more elastomeric sealing elements, each of the pair of expandable metal features comprising a metal configured to expand in response to hydrolysis and having a width (WEM), and further wherein the width (WSE) is at least three times the width (WEM).

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29-09-2021 дата публикации

An expanding metal sealant for use with multilateral completion systems

Номер: GB0002593614A
Принадлежит:

A junction for use in a multilateral completion system is presented. The junction comprises a metal sealant applicable to a lateral component of the multilateral completion system. The metal sealant is expanding in response to hydrolysis and after activation forms a seal and an anchor with a well casing or tubing of the multilateral completion system. The metal sealant is expanding in response to one of an alkaline earth metal hydrolysis and a transition metal hydrolysis. More specifically, the metal sealant is expanding in response to one of magnesium hydrolysis, aluminium hydrolysis, calcium hydrolysis, and calcium oxide hydrolysis.

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13-09-2017 дата публикации

Well system with degradable plug

Номер: GB0002548256A
Принадлежит:

A downhole assembly is disclosed. The downhole assembly includes a tube disposed in a wellbore, and a shroud coupled to and disposed around the circumference of the tube to form an annulus between an inner surface of the shroud and an outer surface of the tube. The downhole assembly further includes a flow control device disposed in the annulus, and a degradable plug disposed in the annulus and positioned to prevent fluid flow between the annulus and the tube.

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07-07-2021 дата публикации

Degradable window for multilateral junction

Номер: GB0002590825A
Принадлежит:

This disclosure may generally relate to drilling operations and, more particularly, to systems and methods for sidetracking an existing well. Specifically, examples of the present disclosure may include creating a window by introducing a pH-modifying fluid downhole to degrade a portion of a casing string, thereby creating the window through which a secondary wellbore may be drilled. A method for creating a window in an oilfield tubular may comprise of providing a pH-modifying fluid in the oilfield tubular disposed in a wellbore and contacting a degradable section of the oilfield tubular with the pH-modifying fluid to degrade at least a portion of the degradable section and form an exit window in the oilfield tubular.

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08-03-2017 дата публикации

Subterranean formation operations using degradable wellbore isolation devices

Номер: GB0002542095A
Принадлежит:

Methods including introducing a frac plug into a wellbore in a subterranean formation, the frac plug comprising at least a mandrel, slips, and a packer element, wherein at least a portion of the mandrel and/or the slips is composed of a degradable alloy selected from the group consisting of a magnesium alloy, an aluminum alloy, and any combination thereof. The wellbore may be a cased wellbore or an open-hole wellbore, and wherein the slips are frictionally engaged with the casing string or the wellbore wall and the packer element is compressed against the casing or the wellbore wall to set the frac plug. One or more perforations is created within the formation and the formation is hydraulically fractured. The frac plug is at least partially degraded upon contact with an electrolyte in the wellbore before or after beginning production of a hydrocarbon.

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15-03-2017 дата публикации

Downhole tools comprising aqueous-degradable elastomer sealing elements with Carbodiimide

Номер: GB0002542280A
Принадлежит:

Downhole tools comprising a body, wherein at least a portion of the body is degradable when exposed to a wellbore environment; and at least one aqueous- degradable sealing element comprising an aqueous-degradable elastomer comprising in the range of 0.05 to 1 parts by weight per hundred parts of the elastomer (phr) carbodiimide, wherein at least a portion of the aqueous- degradable sealing element hydrolytically degrades when exposed to an aqueous fluid.

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22-11-2017 дата публикации

Wellbore servicing tools, systems and methods utilizing downhole wireless switches

Номер: GB0002550530A
Принадлежит:

A wellbore servicing system comprising: a transmitting activation well tool 434 disposed within a wellbore, wherein the transmitting activation well tool is configured to communicate a triggering signal; and a transitory receiving well tool 432 configured for movement through the wellbore; wherein the transitory receiving well tool is configured to receive one or more triggering signals; wherein, prior to communication with the transmitting activation well tool, the transitory receiving well tool is in an inactive or active state such that a switching circuit is incomplete or complete and any route electrical current flow between the power supply and an electrical load is disallowed or allowed; and wherein the transitory receiving well tool is configured to transition to an active or an inactive state such that the switching circuit is complete or incomplete and at least one route electrical current flow between the power supply and the electrical load is allowed or disallowed in response ...

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23-11-2022 дата публикации

Textured surfaces of expanding metal for centralizer, mixing, and differential sticking

Номер: GB0002606899A
Принадлежит:

Provided is an expandable metal centralizer for use in a wellbore. The expandable metal centralizer, in one aspect, includes a downhole tubular positionable on a downhole conveyance in a wellbore. In accordance with this aspect, the expandable metal centralizer additionally includes one or more wellbore centralizing elements radially extending from the downhole tubular, wherein at least one of the downhole tubular or the one or more wellbore centralizing elements comprises a metal configured to expand in response to hydrolysis.

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20-07-2022 дата публикации

Barrier coating layer for an expandable member wellbore tool

Номер: GB0002602900A
Принадлежит:

Disclosed herein are aspects of a barrier coating layer of an expandable member wellbore tool for use in a wellbore. The barrier coating layer, in one aspect, covers at least a portion of the outer surface of the expandable member and has a composition formulated to react with a wellbore fluid and erode within a predetermined amount of time to allow a wellbore fluid to contact and hydrolyze the expandable member.

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07-09-2016 дата публикации

Self-assembling packer

Номер: GB0002536135A
Принадлежит:

Certain aspects are directed to self-assembling packers that seal an annulus in a downhole wellbore. In one aspect, the packer is formed from a magnetorheological fluid, which may be a carrier fluid formed from a polymer precursor and magnetically responsive particles. The fluid is allowed to be shaped by a magnetic field provided by one or more magnets exerting a radially extending magnetic field from a tubing section used to place the packer.

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07-06-2023 дата публикации

Expandable metal wellbore anchor

Номер: GB0002603334B
Принадлежит: HALLIBURTON ENERGY SERVICES INC [US]

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21-06-2023 дата публикации

Completion systems, methods to produce differential flow rate through a port during different well operations, and methods to reduce proppant flow back

Номер: GB0002613961A
Принадлежит:

Completion systems, methods to produce differential flow rate through a port during different well operations, and methods to reduce proppant flow back are disclosed. A completion system includes a tubular extending through a wellbore and having a first port and a second port. The completion system also includes a cover disposed along an interior of the tubular and configured to cover the first port and the second port while the cover is in a first position and is configured to uncover the first port and the second port while the cover is in a second position. The completion system further includes a valve disposed along the tubular and configured to differentially restrict fluid flow through the first port during different well operations.

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25-10-2023 дата публикации

Fluid flow control system employing gravity driven floats and a valve

Номер: GB0002618042A
Принадлежит:

Provided is a fluid flow control system and a well system. The fluid flow control system, in one aspect, includes a valve having a fluid inlet operable to receive fluid, a control inlet operable to receive a control fluid, and a fluid outlet operable to pass the fluid to the tubing, the valve configured to open or close the fluid outlet based upon the control fluid. The fluid flow control system according to this aspect further includes a density control valve having an inlet conduit operable to receive the fluid and an outlet conduit coupled to the control inlet of the valve, the density control valve operable to send the control fluid to the valve to open or close the fluid outlet based upon a density of the fluid.

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14-04-2021 дата публикации

Degradable metal body for sealing of shunt tubes

Номер: GB0002587971A
Принадлежит:

A method of sealing an interior passageway of a shunt tube that forms a portion of a completion assembly includes positioning the completion assembly within a wellbore, wherein the completion assembly includes: the shunt tube; and a degradable metal body associated with the shunt tube; performing, using the completion assembly, gravel packing operations; and permitting the degradable metal body to corrode so that the degradable metal body produces particles comprising a metal element and a plug is formed within the interior passageway of the shunt tube, wherein the plug includes the particles. The plug also includes proppant from the gravel packing operations.

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15-06-2022 дата публикации

Washout prevention element for expandable metal sealing elements

Номер: GB0002601934A
Принадлежит:

Methods for positioning an expandable metal sealing element in the wellbore. Am example method includes an expandable metal sealing element having a reactive metal and disposed in a location. The method further includes actuating a washout prevention element, contacting the expandable metal sealing element with a fluid that reacts with the reactive metal to produce a reaction product having a volume greater than the reactive metal, and allowing the washout prevention element to prevent at least a portion of the reaction product from flowing away from the location.

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19-01-2022 дата публикации

Swellable rubber element that also creates a cup packer

Номер: GB0002597235A
Принадлежит:

A packer has a constrained portion coupled to a mandrel and an unconstrained portion made of a swellable material and coupled to the constrained portion. The unconstrained portion is free to move with respect to the mandrel.

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11-05-2022 дата публикации

A downhole barrier device having a barrier housing and an integrally formed rupture section

Номер: GB0002600846A
Принадлежит:

A downhole barrier device comprising a housing having a design and a rupture layer formed with the housing and having another design. The housing and rupture layer are integrally formed using a laser melting process and have a density greater than 98 percent. The laser melting process is performed using a 3D printing process. The other design can be selected from a plurality of designs including at least two of: at least one fabricated stress concentration; at least one pattern of thickness less that of a thickness of the design; a sealing layer, a support layer, and a flow hole; and at least one shape selectable selected from a disc shape, a pinched shape, a folded shape, and a curved shape. The downhole barrier device can be formed using a metal selected from a plurality of metals and be selected based on operational use of the downhole barrier device.

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18-05-2016 дата публикации

Flow guides for regulating pressure change in hydraulically-actuated downhole tools

Номер: GB0002532390A
Принадлежит:

System, methods, and apparatuses for actuating a tool downhole in a wellbore are presented. In one instance, a system includes a hydraulic tool to generate a hydrostatic pressure in a first chamber using a hydraulic fluid. The hydraulic fluid the first chamber is transmitted through a fluid-flow path to a second chamber, which is at lower pressure. The fluid-flow path contains at least one fluid-flow restrictor to cause the flow of the hydraulic fluid to follow a rotational path. A frangible member may be disposed within the fluid-flow path to occlude the path until pressure of the hydraulic fluid exceeds a threshold value.

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10-08-2016 дата публикации

Actuation assembly using pressure delay

Номер: GB0002535036A
Принадлежит:

A downhole assembly for tool actuation using pressure delay is provided. The downhole assembly can include a chamber, a pressure path, a pressure damper, a pressure source, and a member. The pressure path can be positioned between first and second ends of the chamber. The pressure damper can reduce a rate at which pressure is communicated in the pressure path. Pressure from the pressure source can be communicated to the first end of the chamber and the second end of the chamber at different rates. The member can be positioned in the chamber between the first end and the second end. The member can actuate a downhole tool in response to a pressure difference between the first end and the second end. The pressure difference can result from a difference in between the first rate and the second rate.

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23-06-2021 дата публикации

Swellable metal packer with porous external sleeve

Номер: GB0002590317A
Принадлежит:

A method for forming a seal in a wellbore that includes positioning a swell packer that comprises a swellable metal sealing element in the wellbore; wherein a porous layer is disposed about the swellable metal sealing element. The method also includes exposing the swellable metal sealing element to a downhole fluid; allowing or causing to allow the swellable metal sealing element to produce particles; and accumulating the particles within a first annulus formed between the porous layer and the tubular.

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10-08-2022 дата публикации

Metallic delay barrier coating for swellable packers

Номер: GB0002603687A
Принадлежит:

A swellable packer assembly that includes a mandrel, a sealing element disposed about a least a portion of the mandrel, and a degradable metal coating disposed about at least a portion of an outer surface of the sealing element. The degradable metal coating fluidly isolates the portion of an outer surface of the sealing element from an exterior of the coating and the sealing element is formed of a material responsive to exposure to a fluid in a wellbore to radially expand from the mandrel. The degradable metal coating is selectively removable from the mandrel downhole so as to expose the sealing element to the fluid in the wellbore.

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14-09-2022 дата публикации

Heaters to accelerate setting of expandable metal

Номер: GB0002604814A
Принадлежит:

Provided is a method for setting a downhole tool, and a downhole localized heater. The method, in at least one aspect, includes positioning a downhole tool within a wellbore, the downhole tool including expandable metal configured to expand in response to hydrolysis, and positioning a downhole localized heater within the wellbore, the downhole localized heater being proximate the expandable metal. The method additionally includes subjecting the expandable metal to a wellbore fluid to expand the expandable metal into contact with one or more surfaces while activating the downhole localized heater to create a temperature spike and accelerate an expansion of the expandable metal.

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