[특허]Well production method

[미국특허] Well production method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-043/12
출원번호	US-0509554 (1990-04-16)
발명자 / 주소	Johnson Kenneth J. (Houston TX) Coats E. Alan (Laurel MS)
출원인 / 주소	Otis Engineering Corporation (Dallas TX 02)
인용정보	피인용 횟수 : 55 인용 특허 : 5

초록 ▼

Apparatus and method for the production of methane gas from coalbed methane wells. The apparatus includes a production string having spaced side pocket mandrels supporting gas lift valves and defining with a well casing an annulus in the well running continuously without a packer from a coalbed seam to the wellhead and a lift gas injection line extending through the annulus along the production tubing string and connected into the side pocket mandrel for injecting lift gas into the production tubing string to produce well fluids and lift gas in the tubing string while simultaneously producing coalbed methane gas up the annulus. The method of the invention includes the steps of injecting lift gas through a lift gas injection line to a gas lift valve in a well production tubing string and producing well fluids along with lift gas up the tubing string while producing coalbed methane gas up the annulus.

대표청구항 ▼

A method of producing methane gas from a coalbed comprising the steps of: drilling a well into an earth formation to a depth penetrating a coalbed seam; setting a casing in said well extending through said coalbed seam; perforating said casing at said coalbed seam; installing a production tubing string in said well casing, said string extending in spaced relation in said casing to said coalbed seam and defining a continuous annulus in said well between said production tubing string and said casing between a surface end of said well and said coalbed seam, said production tubing string including a side pocket mandrel and a tubing removable gas lift valve installed in said side pocket mandrel; installing a tubing lift gas injection line in said well annulus along with said production tubing string said lift gas injection line being connected into said side pocket mandrel to communicate into said gas lift valve; installing a wellhead on said well having separate flow line means connecting into said production tubing string, into said well annulus, and into said lift gas injection line; introducing compressed lift gas into said lift gas injection line and forcing said lift gas downwardly through said line and said gas lift valve into said production tubing string to displace well fluids with said lift gas upwardly in said production tubing string to said wellhead; continuing injection of said lift gas displacing fluids from said well through said production tubing string until the bottom hole pressure in said well at said coalbed seam is at a predetermined desorption pressure at which methane gas is released from said coalbed seam into said well annulus; and producing methane gas upwardly through said annulus and outwardly from said wellhead while simultaneously gas lifting well fluids from said well through said production tubing string.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Burns Richard L. (408 San Jacinto Rockdale TX 76567), Air lift pump system.
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Waters Fleming A. (Coppell TX), Completion apparatus and method for gas lift production.
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Bobo Roy A. (3636 W. T.C. Jester ; Suite B Houston TX 77018), Gas lift system.
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Amani Mahmood (P.O. Box 8584 Wichita KS 67208), Liquid removal method system and apparatus for hydrocarbon producing.
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Kempton Edward A. (336-41st Ave. NE. Calgary ; Alberta CAX), Water removal system for gas wells.
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이 특허를 인용한 특허 (55) 인용/피인용 타임라인 분석

Zupanick, Joseph A.; Rial, Monty H., Accelerated production of gas from a subterranean zone.
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Burns, Robert J., Airlift pump.
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Conrad, Greg Allen, Apparatus and device for delivering fluid downhole and increasing well production.
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Conrad,Greg Allen, Apparatus and method for increasing well production using surfactant injection.
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Pratt, Christopher A.; Seams, Douglas P., Cavity well system.
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Togna, Keith A.; Euen, Craig T.; Weeks, Steven W.; Loya, Mohammed I.; Warren, Matthew C.; Kendrick, Richard H., Chemically-modified mixed fuels, methods of production and uses thereof.
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Togna, Keith A.; Euen, Craig T.; Weeks, Steven W.; Loya, Mohammed I.; Warren, Matthew C.; Kendrick, Richard H., Chemically-modified mixed fuels, methods of production and uses thereof.
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Pringle Ronald E. ; Reaux James, Combination side pocket mandrel flow measurement and control assembly.
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Gonzalez Romulo, Deepwater drill string shut-off valve system and method for controlling mud circulation.
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Tokar Timothy J. ; Smith Brian E., Determining an optimum gas injection rate for a gas-lift well.
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Edwards David H. ; Newcomer Kevin L. ; Niehaus K. Lynn, Float operated pneumatic pump to separate hydrocarbon from water.
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Zupanick, Joseph A., Flow control system for removing liquid from a well.
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Zupanick, Joseph A., Flow control system having a downhole check valve selectively operable from a surface of a well.
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Zupanick, Joseph A., Flow control system having a downhole rotatable valve.
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Zupanick, Joseph A., Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations.
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Zupanick, Joseph A., Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations.
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Zupanick, Joseph A., Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations.
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Zupanick, Joseph A., Flow control system utilizing an isolation device positioned uphole of a liquid removal device.
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Lowe, Kenneth W.; Becaria Valero, Javier Alfonso; Dyck, Clarence Robert, Gas flow system.
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Zupanick, Joseph A., Gas lift system.
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Corley P. Senyard, Sr. ; Thomas J. Senyard, Sr., Method and apparatus for producing an oil, water, and/or gas well.
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Senyard, Sr., Corley P.; Senyard, Sr., Thomas J., Method and apparatus for producing an oil, water, and/or gas well.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface.
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Zupanich, Joseph Alan, Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanich, Joseph Alan, Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanich, Joseph Alan, Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph A., Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph Alan, Method and system for accessing subterranean deposits from the surface and tools therefor.
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Zupanick, Joseph A., Method and system for circulating fluid in a well system.
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Zupanick,Joseph A., Method and system for cleaning a well bore.
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Zupanick,Joseph A.; Merendino, Jr.,Frank, Method and system for controlling pressure in a dual well system.
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Zupanick,Joseph A.; Rial,Monty, Method and system for recirculating fluid in a well system.
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Diamond,Lawrence W.; Zupanick,Joseph A., Method and system for removing fluid from a subterranean zone using an enlarged cavity.
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Zupanick, Joseph A.; Rial, Monty H., Method and system for surface production of gas from a subterranean zone.
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Zupanick,Joseph A., Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement.
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Zupanick,Joseph A.; Rial,Monty H., Method and system for underground treatment of materials.
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Zupanick, Joseph A., Method of drilling lateral wellbores from a slant well without utilizing a whipstock.
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Robert B. Williams ; Thomas J. Bodine ; Todd A. Hagen, Motor/handle housing and gear case mounting for portable power tool.
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Pauley,Steven R., Multi-purpose well bores and method for accessing a subterranean zone from the surface.
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Leising, Lawrence J.; Ali, Arthar M., Re-enterable gravel pack system with inflate packer.
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Zupanick,Joseph A.; Rial,Monty H., Slot cavity.
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Zupanick, Joseph, System and method for accessing subterranean deposits.
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Zupanick, Joseph A., System and method for controlling liquid removal operations in a gas-producing well.
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Zupanick, Joseph A., System and method for controlling liquid removal operations in a gas-producing well.
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Zupanick,Joseph A., System and method for multiple wells from a common surface location.
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Zupanick,Joseph A., Three-dimensional well system for accessing subterranean zones.
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Zupanick,Joseph A., Wellbore sealing system and method.
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[미국특허] Well production method 원문보기