[특허]Wellbore tool with disintegratable components

[미국특허] Wellbore tool with disintegratable components 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-029/00
출원번호	UP-0537374 (2006-09-29)
등록번호	US-7798236 (2010-10-11)
발명자 / 주소	McKeachnie, W. John McKeachnie, Michael Williamson, Scott Turley, Rocky A.
출원인 / 주소	Weatherford/Lamb, Inc.
대리인 / 주소	Patterson & Sheridan, L.L.P.
인용정보	피인용 횟수 : 113 인용 특허 : 13

초록 ▼

The present invention generally provides a pressure isolation plug for managing a wellbore with multiple zones. The pressure isolation plug generally includes a body with a bore extending therethrough, a first disintegratable ball sized and positioned to restrict upward fluid flow through the bore, wherein the disintegratable ball disintegrates when exposed to wellbore conditions for a first amount of time. The plug also includes a second ball sized and positioned to restrict downward fluid flow through the bore.

대표청구항 ▼

The invention claimed is: 1. A method of operating a downhole tool comprising: providing the tool having an object seatable in the tool to block a flow path of fluid therethrough, in a first direction and the tool having a dissolvable flapper to block the flow path of fluid in a second direction at the same time as the flow path of fluid in the first direction is blocked and the tool having a dissolvable mandrel; and causing the dissolvable flapper to dissolve, thereby opening the flow path of fluid in the second direction. 2. The method of claim 1, wherein the flow path is a bore extending substantially longitudinally through the tool. 3. The method of claim 1, wherein the object is a ball. 4. The method of claim 1, further comprising sealing an annular area between the tool and an inner wall of a tubular string with a packing element in the tool. 5. The method of claim 1, further comprising causing a portion of the dissolvable mandrel to dissolve. 6. The method of claim 1, further comprising isolating a higher pressure in a wellbore from a lower pressure by utilizing the dissolvable flapper. 7. An apparatus for isolating one section of a wellbore from another, comprising: a body with a bore extending therethrough, wherein the body is made from soluble material and wherein a portion of the body dissolves when exposed to wellbore conditions for a given amount of time; an object sized and positioned to restrict fluid flow through the bore in a first direction; and a soluble flapper configured to block fluid flow through the bore in a second direction at the same time as the flow path of fluid in the first direction is restricted, wherein the flapper dissolves when exposed to wellbore conditions for a given amount of time. 8. The apparatus of claim 7, wherein the soluble flapper is configured to isolate a higher pressure from a lower pressure in the wellbore. 9. The apparatus of claim 7, wherein the object is a ball. 10. An apparatus for isolating one section of a wellbore from another, comprising: a body with a bore extending therethrough, the body having a portion made from a soluble material that is configured to dissolve when exposed to wellbore conditions for a given amount of time; a ball seat formed in the body, the ball seat configured to receive an object sized and positioned to restrict fluid flow through the bore in a first direction; and a soluble flapper attached to the body, the flapper movable between an open position and a closed position, the flapper in the closed position is configured to block fluid flow through the bore in a second direction, wherein the flapper is configured to dissolve when exposed to wellbore conditions for a given amount of time. 11. The apparatus of claim 10, wherein the body includes a second portion made from a composite material. 12. The apparatus of claim 10, further comprising a seal member disposed on an outer surface of the body, whereupon activation of the seal member, the seal member is capable of creating a seal with a surrounding tubular string. 13. The apparatus of claim 10, wherein the soluble flapper configured to block fluid flow through the bore in the second direction at substantially the same time as the flow path of fluid in the first direction is restricted by the object. 14. A method of operating a downhole tool, the method comprising: providing the tool, the tool comprising a mandrel having a dissolvable portion, a ball seat formed in the mandrel and a dissolvable flapper attached to the mandrel; locating an object in the ball seat to block a flow path of fluid through the tool in a first direction; moving the dissolvable flapper from an opened position to a closed position to block the flow path of fluid through the tool in a second direction; and exposing the dissolvable flapper to wellbore conditions for a given amount of time thereby causing the dissolvable flapper to dissolve which results in opening the flow path of fluid in the second direction. 15. The method of claim 14, further comprising exposing the mandrel to wellbore conditions for a given amount of time thereby causing the dissolvable portion of the mandrel to dissolve. 16. The method of claim 14, wherein the tool further comprises a seal member disposed on an outer surface of the mandrel. 17. The method of claim 16, further comprising activating the seal member thereby sealing an annular area between the tool and an inner wall of a tubular string. 18. The method of claim 14, wherein the dissolvable flapper is configured to block the flow path of fluid in the second direction at substantially the same time as the flow path of fluid in the first direction is blocked by the object.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Appleton Robert Patrick,GBX, Actuating ball.
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Shy Perry C. ; Gano John C. ; Reesing David L. ; Adams Michael P. ; Longbottom James R. ; Loughridge Bill W. ; Brothers Lance E., Bidirectional disappearing plug.
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Mondelli, Juan Carlos; Aguilera, Carlos H., Cementing system and method for wellbores.
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Owens Steve (Katy TX) Bouldin Brett (Pearland TX) Arizmendi Napoleon (Magnolia TX), Dissolvable well plug.
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Walter James C. (Austin TX) Bruton Billy R. (Longview TX) Walter ; Jr. George E. (Tyler TX), Downhole gas separator.
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Cornette H. Mitchell (Houston TX) Salerni John V. (Kingwood TX) Schmuck Phillip W. (New Waverly TX), Fluid loss control system for gravel pack assembly.
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Brothers Lance E. ; Eoff Larry S., High strength water soluble plug.
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Van Buskirk Richard G. (Houston TX) Loughlin Michael J. (Houston TX), Method and apparatus for sealing and transferring force in a wellbore.
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Frazier,W. Lynn; Chapman,William W., Method and apparatus for stimulating hydrocarbon wells.
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Gano John C. (Carrollton TX), Temporary plug system.
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Gano John C. (Carrollton TX) Longbottom Jim (Whitesboro TX) Loughridge Bill W. (Duncan OK) Brothers Lance E. (Ninnekah OK), Temporary plug system.
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Beeman Robert S. ; Lee Mark ; McClung ; III Guy L. ; Breaux Stephen P., Wellbore wash nozzle system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Wellbore tool with disintegratable components 원문보기

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연합인증

[미국특허] Wellbore tool with disintegratable components 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (113) 인용/피인용 타임라인 분석

활용도 분석정보

활용도 Top5 특허 더보기

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

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