US20140096973A1 - Downhole flow control using perforator and membrane - Google Patents
Downhole flow control using perforator and membrane Download PDFInfo
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- US20140096973A1 US20140096973A1 US13/944,364 US201313944364A US2014096973A1 US 20140096973 A1 US20140096973 A1 US 20140096973A1 US 201313944364 A US201313944364 A US 201313944364A US 2014096973 A1 US2014096973 A1 US 2014096973A1
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- membrane
- perforator
- flow control
- control assembly
- piston
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/063—Valve or closure with destructible element, e.g. frangible disc
Definitions
- the present invention relates generally to assemblies for controlling fluid flow in a bore in a subterranean formation and, more particularly (although not necessarily exclusively), to assemblies that include membranes that can be perforated in response to pressure to allow fluid flow.
- Various devices can be installed in a well traversing a hydrocarbon-bearing subterranean formation. Some devices control the flow rate of fluid between the formation and tubing, such as production or injection tubing.
- An example of these devices is a flow control device or inflow control device that can be associated with a production interval isolated by packers and that can control production of fluid by creating a pressure drop of fluid flowing through the device.
- a completion assembly can be ran downhole with a packer. Pressure can be introduced in the tubing to set the packer. Subsequent to setting the packer, openings or ports in the assembly can be created for fluid production.
- an assembly can include openings plugged with aluminum or polylactic acid (PLA) that can dissolve on exposure to acid introduced into the bore (in the case of aluminum) or to an environment of the bore (in the case of PLA).
- PLA plugs may be unable to withstand pressure above a certain threshold.
- Assemblies are desirable, however, that can allow for relatively high pressure to set a packer and then allow for fluid flow control.
- Certain aspects of the present invention are directed to a flow control assembly that can provide a pressure seal during a packer setting operation and allow fluid flow subsequent to a membrane being perforated in response to a setting pressure from an inner area of a tubing.
- the flow control assembly includes a membrane and a perforator.
- the membrane can provide a pressure seal and prevent fluid flow in the flow control assembly.
- the perforator can perforate the membrane in response to a setting pressure in the flow control assembly exceeding a threshold.
- the perforated member can provide a fluid flow path in the flow control assembly.
- a flow control assembly that includes a membrane, a perforator, and a piston.
- the membrane can provide a pressure seal and prevent fluid flow in the flow control assembly.
- the piston can cause at least one of the perforator or the membrane to move in response to pressure from an inner area of a tubing.
- the perforator can create a flow path through the membrane in response to movement of the perforator or the membrane.
- the tubing portion has a tubing port that can allow access of pressure from an internal area of the tubing portion to an external area.
- the outer housing is external to the tubing portion having the tubing port.
- the outer housing includes a housing opening and defines a flow path between the outer housing and the tubing port.
- the perforator is disposed in the flow path in a fixed position.
- the membrane is disposed in the flow path.
- the membrane can provide a pressure seal and pressure fluid flow in the flow path in response to a packer setting pressure.
- the piston is disposed in the flow path and coupled to the membrane.
- the piston can allow the membrane to move toward the perforator in response to the pressure being above a threshold.
- the perforator can perforate the membrane in response to the membrane moving toward the perforator.
- the perforated membrane can allow fluid flow through the flow path.
- FIG. 1 is a schematic illustration of a well system having production intervals in which are flow control assemblies according to one aspect of the present invention.
- FIG. 2 is a cross-sectional view of a flow control assembly that includes a perforator and a membrane according to one aspect of the present invention.
- FIG. 3 is a cross-sectional view of the flow control assembly of FIG. 2 subsequent to perforation of the membrane according to one aspect of the present invention.
- FIG. 4 is a partial cross-sectional view of a flow control assembly according to another aspect of the present invention.
- FIG. 5 is a partial cross-sectional view of the flow control assembly of FIG. 4 subsequent to perforation of the membrane according to one aspect of the present invention.
- FIG. 6 is a partial cross-sectional view of the flow control assembly of FIG. 4 in an open flow position according to one aspect of the present invention.
- FIG. 7 is a partial cross-sectional view of a flow control assembly according to yet another aspect of the present invention.
- Certain aspects and features relate to a flow control assembly that includes a membrane that can be perforated in response to a pressure, such as a setting pressure, from an inner area of a tubing. Subsequent to the membrane being perforated, fluid can be allowed to flow from an area external to the tubing to an area internal to the tubing. The membrane may remain closed during a packer setting operation and be perforated subsequent to the packer setting operation.
- a pressure such as a setting pressure
- the flow control assembly includes a perforator, a piston, and a membrane.
- the piston can allow at least one of the perforator or the membrane to move in response to a pressure above a certain threshold. The movement can result in the membrane being perforated by the perforator. After the pressure is released, the piston can allow the perforator and/or the membrane to move to an open position, allowing fluid to flow to an inner area of a tubing through a tubing port.
- the flow control assembly includes a spring that can cause the piston to allow the perforator and/or the membrane to move to the open position subsequent to perforation of the membrane.
- FIG. 1 depicts a well system 100 with flow control assemblies according to certain aspects of the present invention.
- the well system 100 includes a bore that is a wellbore 102 extending through various earth strata.
- the wellbore 102 has a substantially vertical section 104 and a substantially horizontal section 106 .
- the substantially vertical section 104 and the substantially horizontal section 106 may include a casing string 108 cemented at an upper portion of the substantially vertical section 104 .
- the substantially horizontal section 106 extends through a hydrocarbon bearing subterranean formation 110 .
- a tubing string 112 extends from the surface within wellbore 102 .
- the tubing string 112 can provide a conduit for formation fluids to travel from the substantially horizontal section 106 to the surface.
- Production tubular sections 116 in various production intervals adjacent to the formation 110 are positioned in the tubing string 112 .
- On each side of each production tubular section 116 is a packer 118 that can provide a fluid seal between the tubing string 112 and the wall of the wellbore 102 .
- Each pair of adjacent packers 118 can define a production interval.
- One or more of the production tubular sections 116 can include a flow control assembly.
- the flow control assembly can include one or more ports in the tubing string 112 and a membrane that can be perforated in response to a pressure to create a flow path, which may include the ports in the tubing string.
- FIG. 1 depicts production tubular sections 116 that can include flow control assemblies positioned in the substantially horizontal section 106
- production tubular sections 116 (and flow control assemblies) can be located, additionally or alternatively, in the substantially vertical section 104 .
- any number of production tubular sections 116 with flow control assemblies, including one, can be used in the well system 100 generally or in each production interval.
- production tubular sections 116 with flow control assemblies can be disposed in simpler wellbores, such as wellbores having only a substantially vertical section.
- Flow control assemblies can be disposed in open hole environments, such as is depicted in FIG. 1 , or in cased wells.
- FIGS. 2-3 depict by cross-section a flow control assembly according to one aspect.
- the flow control assembly includes a tubing portion 202 and an outer housing 204 .
- the flow control assembly also includes a membrane 206 , a perforator 208 , and a piston 210 that are between an outer wall of the tubing portion 202 and an inner wall of the outer housing 204 .
- the tubing portion 202 includes a tubing port 212 that can allow fluid to flow between an inner area of the tubing portion 202 and an outer area of the tubing portion 202 .
- the tubing port 212 may also allow pressure access between the inner area of the tubing portion 202 and the outer area of the tubing portion 202 .
- the piston 210 may be made from any material.
- An example of material from which piston 210 can be made is stainless steel.
- the piston 210 can be coupled to the outer housing 204 by a shear mechanism 214 .
- An example of a shear mechanism 214 is a shear pin.
- Included with the piston 210 are sealing members 216 A-D.
- An example of a sealing member is an O-ring. Although four sealing members are depicted, any number, including one, can be used. Other aspects do not include sealing members.
- the perforator 208 can include a base 218 and an elongated member 220 extending from the base 218 .
- the elongated member 220 may have a pointed end that can perforate the membrane 206 .
- the base 218 can be coupled to the outer housing 204 such that the perforator 208 is fixed in position within the outer housing 204 .
- the base 218 includes openings 222 A-B through which fluid can flow from a housing opening toward the tubing port 212 .
- Bases can include any number of openings, including one.
- the perforator 208 can be made from any material. An example of material is tungsten carbide.
- the elongated member 220 is made from a material such as tungsten carbide and the base 218 is made from a different material such as steel.
- the membrane 206 can be coupled to the piston 210 .
- the membrane 206 and piston 210 are one component made from the same material.
- An example of membrane 206 is a ceramic disc.
- the membrane 206 in a closed position, as shown in FIG. 2 can prevent fluid from flowing from a housing opening 224 to the tubing port 212 .
- the membrane 206 may prevent fluid flow during a packer setting operation or other operation.
- the piston 210 can prevent the membrane 206 from being perforated in response to pressure during the packer setting operation.
- a setting pressure above a certain threshold can be applied through the inner area of the tubing portion 202 and the tubing port 212 to an external area of the tubing portion 202 in the outer housing 204 .
- the setting pressure is depicted as “ ⁇ P” in FIG. 3 .
- the piston 210 can allow the membrane 206 to move toward the perforator 208 , as shown in FIG. 3 .
- the shear mechanism 214 can be sheared such that at least part of the piston 210 is decoupled from the outer housing 204 .
- the perforator 208 can perforate the membrane 206 in response to the movement of the membrane 206 toward the perforator 208 .
- the elongated member 220 can break the membrane 206 or otherwise create an opening in the membrane 206 .
- Sealing members 216 A-D can retain pressure within the tubing portion 202 to allow other flow control assemblies in the wellbore to be opened using pressure from within tubing of which the tubing portion 202 is a part. Subsequently, such as after the pressure from within the tubing is removed, fluid flow or pressure from the housing opening 224 can cause the piston 210 to allow the membrane 206 to move away from the perforator 208 to a position that allows fluid flow from the housing opening 224 to the tubing port 212 .
- force or pressure from production fluid flowing through openings 222 A-B can cause the piston 210 to allow the membrane 206 to move away from the perforator 208 , creating a flow path for fluid flow through the outer housing 204 and the tubing port 212 into the inner area of the tubing portion 202 .
- FIGS. 4-6 depict by partial cross-section a flow control assembly according to another aspect.
- the flow control assembly includes a tubing portion 302 , an outer housing, 304 , a membrane 306 , a perforator 308 , and a piston 310 .
- the tubing portion 302 includes a tubing port 312 .
- the piston 310 extends from a base 314 of the perforator 308 toward the tubing port 312 and includes a stop member 316 .
- the stop member 316 can prevent the membrane 306 from moving toward the tubing port 312 beyond a certain point.
- the perforator 308 also includes an elongated member 318 extending from the base 314 toward the membrane 306 .
- the base 314 can be coupled to the outer housing 304 such that the perforator 308 is in a fixed position.
- the flow control assembly also includes a mechanism that is a spring 320 between the base 314 and a movable portion of the piston 310 .
- the spring 320 can bias the piston 310 and the membrane 306 toward the tubing port 312 such that the membrane 306 contacts the stop member 316 .
- the piston 310 can allow the membrane 306 to move toward the perforator 308 and overcome the biasing force of the spring 320 .
- the elongated member 318 can perforate the membrane 306 to create an opening in the membrane 306 , as shown in FIG. 5 .
- the opening can be part of flow path from an opening of the outer housing 304 through the tubing port 312 to the inner area of the tubing portion 302 .
- the spring 320 can bias the moveable portion of the piston 310 and any remainder part of the membrane 306 to the stop member 316 such that the flow control assembly is in a full open position, as shown in FIG. 6 .
- fluid can flow through the flow control assembly, including the tubing port 312 , without significant restriction.
- the spring 320 can basis the moveable portion of the piston 310 and any remainder part of the membrane 306 to the stop member 316 even if pressure from fluid from an opening of the outer housing 304 is insufficient to move the piston 310 and the membrane 306 .
- FIG. 7 depicts another aspect of a flow control assembly in which a perforator 402 is coupled to a piston 404 , and can move in response to pressure from an inner area of a tubing portion 406 through a tubing port 408 to perforate a membrane 410 that is coupled to an outer housing 412 .
- the membrane 410 may be in a fixed position and the piston 404 can allow the perforator 402 to move in response to pressure above a certain threshold.
- both the perforator 402 and the membrane 410 can move in response to pressure or the absence of pressure, as the case may be.
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Abstract
Description
- This is a continuation of PCT/US2012/058584, filed Oct. 4, 2012, the entirety of which is incorporated herein by reference.
- The present invention relates generally to assemblies for controlling fluid flow in a bore in a subterranean formation and, more particularly (although not necessarily exclusively), to assemblies that include membranes that can be perforated in response to pressure to allow fluid flow.
- Various devices can be installed in a well traversing a hydrocarbon-bearing subterranean formation. Some devices control the flow rate of fluid between the formation and tubing, such as production or injection tubing. An example of these devices is a flow control device or inflow control device that can be associated with a production interval isolated by packers and that can control production of fluid by creating a pressure drop of fluid flowing through the device.
- A completion assembly can be ran downhole with a packer. Pressure can be introduced in the tubing to set the packer. Subsequent to setting the packer, openings or ports in the assembly can be created for fluid production.
- Some assemblies include components that facilitate or allow creation of ports for fluid production. For example, an assembly can include openings plugged with aluminum or polylactic acid (PLA) that can dissolve on exposure to acid introduced into the bore (in the case of aluminum) or to an environment of the bore (in the case of PLA). PLA plugs, however, may be unable to withstand pressure above a certain threshold.
- Assemblies are desirable, however, that can allow for relatively high pressure to set a packer and then allow for fluid flow control.
- Certain aspects of the present invention are directed to a flow control assembly that can provide a pressure seal during a packer setting operation and allow fluid flow subsequent to a membrane being perforated in response to a setting pressure from an inner area of a tubing.
- One aspect relates to a flow control assembly that can be disposed in a wellbore. The flow control assembly includes a membrane and a perforator. The membrane can provide a pressure seal and prevent fluid flow in the flow control assembly. The perforator can perforate the membrane in response to a setting pressure in the flow control assembly exceeding a threshold. The perforated member can provide a fluid flow path in the flow control assembly.
- Another aspect relates to a flow control assembly that includes a membrane, a perforator, and a piston. The membrane can provide a pressure seal and prevent fluid flow in the flow control assembly. The piston can cause at least one of the perforator or the membrane to move in response to pressure from an inner area of a tubing. The perforator can create a flow path through the membrane in response to movement of the perforator or the membrane.
- Another aspect relates to an assembly that includes a tubing portion, an outer housing, a perforator, a membrane, and a piston. The tubing portion has a tubing port that can allow access of pressure from an internal area of the tubing portion to an external area. The outer housing is external to the tubing portion having the tubing port. The outer housing includes a housing opening and defines a flow path between the outer housing and the tubing port. The perforator is disposed in the flow path in a fixed position. The membrane is disposed in the flow path. The membrane can provide a pressure seal and pressure fluid flow in the flow path in response to a packer setting pressure. The piston is disposed in the flow path and coupled to the membrane. The piston can allow the membrane to move toward the perforator in response to the pressure being above a threshold. The perforator can perforate the membrane in response to the membrane moving toward the perforator. The perforated membrane can allow fluid flow through the flow path.
- These illustrative aspects and features are mentioned not to limit or define the invention, but to provide examples to aid understanding of the inventive concepts disclosed in this disclosure. Other aspects, advantages, and features of the present invention will become apparent after review of the entire disclosure.
-
FIG. 1 is a schematic illustration of a well system having production intervals in which are flow control assemblies according to one aspect of the present invention. -
FIG. 2 is a cross-sectional view of a flow control assembly that includes a perforator and a membrane according to one aspect of the present invention. -
FIG. 3 is a cross-sectional view of the flow control assembly ofFIG. 2 subsequent to perforation of the membrane according to one aspect of the present invention. -
FIG. 4 is a partial cross-sectional view of a flow control assembly according to another aspect of the present invention. -
FIG. 5 is a partial cross-sectional view of the flow control assembly ofFIG. 4 subsequent to perforation of the membrane according to one aspect of the present invention. -
FIG. 6 is a partial cross-sectional view of the flow control assembly ofFIG. 4 in an open flow position according to one aspect of the present invention. -
FIG. 7 is a partial cross-sectional view of a flow control assembly according to yet another aspect of the present invention. - Certain aspects and features relate to a flow control assembly that includes a membrane that can be perforated in response to a pressure, such as a setting pressure, from an inner area of a tubing. Subsequent to the membrane being perforated, fluid can be allowed to flow from an area external to the tubing to an area internal to the tubing. The membrane may remain closed during a packer setting operation and be perforated subsequent to the packer setting operation.
- In some aspects, the flow control assembly includes a perforator, a piston, and a membrane. The piston can allow at least one of the perforator or the membrane to move in response to a pressure above a certain threshold. The movement can result in the membrane being perforated by the perforator. After the pressure is released, the piston can allow the perforator and/or the membrane to move to an open position, allowing fluid to flow to an inner area of a tubing through a tubing port.
- In another aspect, the flow control assembly includes a spring that can cause the piston to allow the perforator and/or the membrane to move to the open position subsequent to perforation of the membrane.
- These illustrative aspects and examples are given to introduce the reader to the general subject matter discussed here and are not intended to limit the scope of the disclosed concepts. The following sections describe various additional features and examples with reference to the drawings in which like numerals indicate like elements, and directional descriptions are used to describe the illustrative aspects but, like the illustrative aspects, should not be used to limit the present invention.
-
FIG. 1 depicts awell system 100 with flow control assemblies according to certain aspects of the present invention. Thewell system 100 includes a bore that is awellbore 102 extending through various earth strata. Thewellbore 102 has a substantiallyvertical section 104 and a substantiallyhorizontal section 106. The substantiallyvertical section 104 and the substantiallyhorizontal section 106 may include acasing string 108 cemented at an upper portion of the substantiallyvertical section 104. The substantiallyhorizontal section 106 extends through a hydrocarbon bearingsubterranean formation 110. - A
tubing string 112 extends from the surface withinwellbore 102. Thetubing string 112 can provide a conduit for formation fluids to travel from the substantiallyhorizontal section 106 to the surface. Productiontubular sections 116 in various production intervals adjacent to theformation 110 are positioned in thetubing string 112. On each side of eachproduction tubular section 116 is apacker 118 that can provide a fluid seal between thetubing string 112 and the wall of thewellbore 102. Each pair ofadjacent packers 118 can define a production interval. - One or more of the
production tubular sections 116 can include a flow control assembly. The flow control assembly can include one or more ports in thetubing string 112 and a membrane that can be perforated in response to a pressure to create a flow path, which may include the ports in the tubing string. - Although
FIG. 1 depicts productiontubular sections 116 that can include flow control assemblies positioned in the substantiallyhorizontal section 106, production tubular sections 116 (and flow control assemblies) according to various aspects of the present invention can be located, additionally or alternatively, in the substantiallyvertical section 104. Furthermore, any number of productiontubular sections 116 with flow control assemblies, including one, can be used in thewell system 100 generally or in each production interval. In some aspects, productiontubular sections 116 with flow control assemblies can be disposed in simpler wellbores, such as wellbores having only a substantially vertical section. Flow control assemblies can be disposed in open hole environments, such as is depicted inFIG. 1 , or in cased wells. -
FIGS. 2-3 depict by cross-section a flow control assembly according to one aspect. The flow control assembly includes atubing portion 202 and anouter housing 204. The flow control assembly also includes amembrane 206, aperforator 208, and apiston 210 that are between an outer wall of thetubing portion 202 and an inner wall of theouter housing 204. - The
tubing portion 202 includes atubing port 212 that can allow fluid to flow between an inner area of thetubing portion 202 and an outer area of thetubing portion 202. Thetubing port 212 may also allow pressure access between the inner area of thetubing portion 202 and the outer area of thetubing portion 202. - The
piston 210 may be made from any material. An example of material from whichpiston 210 can be made is stainless steel. Thepiston 210 can be coupled to theouter housing 204 by ashear mechanism 214. An example of ashear mechanism 214 is a shear pin. Included with thepiston 210 are sealingmembers 216A-D. An example of a sealing member is an O-ring. Although four sealing members are depicted, any number, including one, can be used. Other aspects do not include sealing members. - The
perforator 208 can include abase 218 and anelongated member 220 extending from thebase 218. Theelongated member 220 may have a pointed end that can perforate themembrane 206. The base 218 can be coupled to theouter housing 204 such that theperforator 208 is fixed in position within theouter housing 204. Thebase 218 includesopenings 222A-B through which fluid can flow from a housing opening toward thetubing port 212. Bases according to various aspects can include any number of openings, including one. Theperforator 208 can be made from any material. An example of material is tungsten carbide. In some aspects, theelongated member 220 is made from a material such as tungsten carbide and thebase 218 is made from a different material such as steel. - The
membrane 206 can be coupled to thepiston 210. In some aspects, themembrane 206 andpiston 210 are one component made from the same material. An example ofmembrane 206 is a ceramic disc. - The
membrane 206 in a closed position, as shown inFIG. 2 , can prevent fluid from flowing from ahousing opening 224 to thetubing port 212. For example, themembrane 206 may prevent fluid flow during a packer setting operation or other operation. Thepiston 210 can prevent themembrane 206 from being perforated in response to pressure during the packer setting operation. A setting pressure above a certain threshold can be applied through the inner area of thetubing portion 202 and thetubing port 212 to an external area of thetubing portion 202 in theouter housing 204. The setting pressure is depicted as “ΔP” inFIG. 3 . In response to the pressure, thepiston 210 can allow themembrane 206 to move toward theperforator 208, as shown inFIG. 3 . Theshear mechanism 214 can be sheared such that at least part of thepiston 210 is decoupled from theouter housing 204. Theperforator 208 can perforate themembrane 206 in response to the movement of themembrane 206 toward theperforator 208. - For example, the
elongated member 220 can break themembrane 206 or otherwise create an opening in themembrane 206.Sealing members 216A-D can retain pressure within thetubing portion 202 to allow other flow control assemblies in the wellbore to be opened using pressure from within tubing of which thetubing portion 202 is a part. Subsequently, such as after the pressure from within the tubing is removed, fluid flow or pressure from thehousing opening 224 can cause thepiston 210 to allow themembrane 206 to move away from theperforator 208 to a position that allows fluid flow from thehousing opening 224 to thetubing port 212. For example, force or pressure from production fluid flowing throughopenings 222A-B can cause thepiston 210 to allow themembrane 206 to move away from theperforator 208, creating a flow path for fluid flow through theouter housing 204 and thetubing port 212 into the inner area of thetubing portion 202. - Flow control assemblies according to some aspects can include mechanisms that can facilitate creation of a flow path subsequent to a membrane being perforated.
FIGS. 4-6 depict by partial cross-section a flow control assembly according to another aspect. The flow control assembly includes atubing portion 302, an outer housing, 304, amembrane 306, aperforator 308, and apiston 310. Thetubing portion 302 includes atubing port 312. Thepiston 310 extends from abase 314 of theperforator 308 toward thetubing port 312 and includes astop member 316. Thestop member 316 can prevent themembrane 306 from moving toward thetubing port 312 beyond a certain point. Theperforator 308 also includes anelongated member 318 extending from the base 314 toward themembrane 306. The base 314 can be coupled to theouter housing 304 such that theperforator 308 is in a fixed position. - The flow control assembly also includes a mechanism that is a
spring 320 between the base 314 and a movable portion of thepiston 310. As shown inFIG. 4 , thespring 320 can bias thepiston 310 and themembrane 306 toward thetubing port 312 such that themembrane 306 contacts thestop member 316. In response to pressure from an inner area of thetubing portion 302, thepiston 310 can allow themembrane 306 to move toward theperforator 308 and overcome the biasing force of thespring 320. Theelongated member 318 can perforate themembrane 306 to create an opening in themembrane 306, as shown inFIG. 5 . The opening can be part of flow path from an opening of theouter housing 304 through thetubing port 312 to the inner area of thetubing portion 302. - Subsequent to perforation of the
membrane 306, thespring 320 can bias the moveable portion of thepiston 310 and any remainder part of themembrane 306 to thestop member 316 such that the flow control assembly is in a full open position, as shown inFIG. 6 . In a full open position, fluid can flow through the flow control assembly, including thetubing port 312, without significant restriction. Thespring 320 can basis the moveable portion of thepiston 310 and any remainder part of themembrane 306 to thestop member 316 even if pressure from fluid from an opening of theouter housing 304 is insufficient to move thepiston 310 and themembrane 306. -
FIG. 7 depicts another aspect of a flow control assembly in which aperforator 402 is coupled to apiston 404, and can move in response to pressure from an inner area of atubing portion 406 through atubing port 408 to perforate amembrane 410 that is coupled to anouter housing 412. For example, themembrane 410 may be in a fixed position and thepiston 404 can allow theperforator 402 to move in response to pressure above a certain threshold. In still other aspects, both theperforator 402 and themembrane 410 can move in response to pressure or the absence of pressure, as the case may be. - The foregoing description of the aspects, including illustrated aspects, of the invention has been presented only for the purpose of illustration and description and is not intended to be exhaustive or to limit the invention to the precise forms disclosed. Numerous modifications, adaptations, and uses thereof will be apparent to those skilled in the art without departing from the scope of this invention.
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/944,364 US8684087B1 (en) | 2012-10-04 | 2013-07-17 | Downhole flow control using perforator and membrane |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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PCT/US2012/058584 WO2014055074A1 (en) | 2012-10-04 | 2012-10-04 | Downhole flow control using perforator and membrane |
US13/944,364 US8684087B1 (en) | 2012-10-04 | 2013-07-17 | Downhole flow control using perforator and membrane |
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PCT/US2012/058584 Continuation WO2014055074A1 (en) | 2012-10-04 | 2012-10-04 | Downhole flow control using perforator and membrane |
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US8684087B1 US8684087B1 (en) | 2014-04-01 |
US20140096973A1 true US20140096973A1 (en) | 2014-04-10 |
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US9359877B2 (en) * | 2010-11-01 | 2016-06-07 | Completion Tool Developments, Llc | Method and apparatus for single-trip time progressive wellbore treatment |
US20120285702A1 (en) * | 2011-05-11 | 2012-11-15 | Schlumberger Technology Corporation | System and method for actuating tools downhole |
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2013
- 2013-07-17 US US13/944,364 patent/US8684087B1/en active Active
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WO2016007237A1 (en) * | 2014-07-11 | 2016-01-14 | Baker Hughes Incorporated | Penetrator for a puncture communication tool and method |
NO20170079A1 (en) * | 2014-07-11 | 2017-01-18 | Baker Hughes Inc | Penetrator for a puncture communication tool and method |
GB2543233A (en) * | 2014-07-11 | 2017-04-12 | Baker Hughes Inc | Penetrator for a puncture communication tool and method |
US9739119B2 (en) | 2014-07-11 | 2017-08-22 | Baker Hughes Incorporated | Penetrator for a puncture communication tool and method |
GB2543233B (en) * | 2014-07-11 | 2019-02-20 | Baker Hughes Inc | Method for Communicating a Downhole Hydraulic Chamber |
NO347631B1 (en) * | 2014-07-11 | 2024-02-05 | Baker Hughes Holdings Llc | Penetrator for a puncture communication tool and method |
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