[특허]Apparatus and methods for characterizing a reservoir

Apparatus and methods for characterizing a reservoir 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-047/10 E21B-049/00 E21B-007/06 E21B-033/12 E21B-049/06 E21B-049/10
출원번호	US-0054236 (2009-05-27)
등록번호	US-8991245 (2015-03-31)
국제출원번호	PCT/US2009/045296 (2009-05-27)
§371/§102 date	20110125 (20110125)
국제공개번호	WO2010/008684 (2010-01-21)
발명자 / 주소	Fields, Troy Pop, Julian Barriol, Yves Brockmeier, Oivind Desroches, Jean Majkut, Frederik Harrigan, Edward Karuppoor, Srinand Hill, Bunker M. Fensky, Charles Eghbali, Ali Del Campo, Christopher S.
출원인 / 주소	Schlumberger Technology Corporation
대리인 / 주소	Hewitt, Cathy
인용정보	피인용 횟수 : 0 인용 특허 : 51

초록 ▼

An apparatus comprising a downhole tool configured for conveyance within a borehole penetrating a subterranean formation, wherein the downhole tool comprises: a probe assembly configured to seal a region of a wall of the borehole; a perforator configured to penetrate a portion of the sealed region of the borehole wall by projecting through the probe assembly; a fluid chamber comprising a fluid; and a pump configured to inject the fluid from the fluid chamber into the formation through the perforator.

대표청구항 ▼

1. An apparatus for conveyance within a borehole extending into a subsurface formation, the apparatus comprising: a probe assembly disposed in a first portion of a tool body;an actuator configured to move the probe assembly between a retracted position and a deployed position, wherein the probe assembly is configured to seal a region of the borehole wall when in the deployed position;a perforator configured to penetrate the borehole wall at a plurality of azimuthal locations within the borehole by projecting through the probe assembly;a swivel coupled to the probe assembly to rotate the perforator to the plurality of azimuthal locations within the borehole, wherein the swivel is configured to rotate the probe assembly azimuthally with respect to a second portion of the tool body and the borehole wall, wherein the swivel is coupled between the first portion of the tool body housing the probe assembly and the second portion of the tool body housing an anchor assembly, and wherein the swivel permits rotation of the probe assembly azimuthally within the borehole with respect to the anchor assembly;a flex joint disposed in the first portion of the tool body to permit non-coaxial alignment between the anchor assembly and the probe assembly;a flow line fluidly communicating with the perforator; anda pump carried within the tool body and operatively coupled to the flow line to inject fluid into the subsurface formation through the perforator at the plurality of azimuthal locations within the borehole. 2. The apparatus of claim 1 wherein the perforator is configured to penetrate at least one of a consolidated formation, a casing, or cement. 3. The apparatus of claim 1 further comprising a fluid chamber housing the fluid and disposed in fluid communication with the flow line. 4. The apparatus of claim 1 wherein the perforator comprises at least one of an explosive charge, a hydraulic punch, a coring bit, or a combination thereof. 5. The apparatus of claim 1 further comprising an inclinometry device configured to measure a perforation orientation. 6. The apparatus of claim 1, further comprising a powered orienting sub coupled to the anchor assembly to rotate the probe assembly with respect to the anchor assembly. 7. The apparatus of claim 1 wherein the probe assembly comprises a substantially rigid plate and a compressible packer element coupled to the plate. 8. The apparatus of claim 7 wherein the actuator comprises: a plurality of pistons connected to the plate and configured to move the probe assembly between the retracted and deployed positions; anda controllable energy source configured to power the pistons. 9. A method of characterizing a subsurface formation, comprising: conveying a tool within a borehole penetrating the subsurface formation, wherein the tool comprises: a probe assembly;an actuator configured to move the probe assembly between a retracted position and a deployed position; anda perforator;sealing a first azimuthal location of the borehole wall using the probe assembly;projecting the perforator through the probe assembly to penetrate the borehole wall at the first azimuthal location;rotating the probe assembly azimuthally within borehole to a second azimuthal location of the borehole wall, wherein the first and second azimuthal locations are disposed around the tool in substantially the same plane;sealing the second azimuthal location of the borehole wall using the probe assembly;projecting the perforator through the probe assembly to penetrate the borehole wall at the second azimuthal location;injecting fluid into the formation through the perforator at the first and second azimuthal locations; andmeasuring a closure stress for each of first and second azimuthal locations and determining, based on the closure stresses for the first and second azimuthal locations, at least one of a minimum horizontal stress value, a maximum horizontal stress value, or a horizontal stress orientation relative to a reference. 10. The method of claim 9 wherein projecting the perforator through the probe assembly to penetrate the borehole wall at the first azimuthal location comprises projecting the perforator to penetrate at least one of a consolidated formation, a casing, or cement. 11. The method of claim 9 further comprising determining mobility of the injected fluid. 12. The method of claim 9 further comprising performing a leak-off test on the subterranean formation. 13. The method of claim 9 wherein injecting fluid into the formation comprises injecting at least one of an injection fluid, a formation fluid, or a mixture thereof from a sample chamber disposed within the tool. 14. The method of claim 9 wherein conveying the tool within the borehole comprises conveying the tool via at least one of a wireline or a drill string. 15. A method of characterizing a subsurface formation, comprising: conveying a tool within a borehole penetrating the subsurface formation, wherein the tool comprises: a probe assembly;an actuator configured to move the probe assembly between a retracted position and a deployed position; anda perforator;sealing a first azimuthal location of the borehole wall using the probe assembly;projecting the perforator through the probe assembly to penetrate the borehole wall at the first azimuthal location;rotating the probe assembly azimuthally within borehole to a second azimuthal location of the borehole wall, wherein the first and second azimuthal locations are disposed around the tool in substantially the same plane;sealing the second azimuthal location of the borehole wall using the probe assembly;projecting the perforator through the probe assembly to penetrate the borehole wall at the second azimuthal location;injecting fluid into the formation through the perforator at the first and second azimuthal locations, wherein injecting fluid into the formation comprises injecting fracturing fluid into the first azimuthal location prior to rotating the probe assembly azimuthally within borehole to the second azimuthal location. 16. A method of characterizing a subsurface formation, comprising: conveying a tool within a borehole penetrating the subsurface formation, wherein the tool comprises: a probe assembly;an actuator configured to move the probe assembly between a retracted position and a deployed position; anda perforator;sealing a first azimuthal location of the borehole wall using the probe assembly;projecting the perforator through the probe assembly to penetrate the borehole wall at the first azimuthal location;rotating the probe assembly azimuthally within borehole to a second azimuthal location of the borehole wall, wherein the first and second azimuthal locations are disposed around the tool in substantially the same plane;sealing the second azimuthal location of the borehole wall using the probe assembly;projecting the perforator through the probe assembly to penetrate the borehole wall at the second azimuthal location;injecting fluid into the formation through the perforator at the first and second azimuthal locations;measuring orientations of perforations formed at the first and second azimuthal locations andmeasuring a fracture closure stress as a function of the orientations. 17. The method of claim 16 wherein injecting fluid into the formation comprises injecting at least one of an injection fluid, a formation fluid, or a mixture thereof from a sample chamber disposed within the tool.

이 특허에 인용된 특허 (51)

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Schroeder Robert J. (Newtown CT) Tarvin Jeffrey A. (Great Shelford GBX), Apparatus and method for analyzing the composition of formation fluids.
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MacDougall Thomas D. (Sugar Land TX) Kurkjian Andrew L. (Sugar Land TX) Jaroska Miles (Richmond TX) Flores Aaron G. (Sugar Land TX) LaDue Duane F. (Sugar Land TX), Apparatus and method for sampling an earth formation through a cased borehole.
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Dave Yogesh S. (Stamford CT), Apparatus and method for testing and repairing in a cased borehole.
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Schick Robert C., Apparatus and method for utilizing flexible tubing with lateral bore holes.
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Dussan V. Elizabeth B. (Ridgefield CT) Auzerais Francois M. (Ridgefield CT) Kenyon William E. (Ridgefield CT), Apparatus for determining horizontal and/or vertical permeability of an earth formation.
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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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Apparatus and methods for characterizing a reservoir 원문보기

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