Tools and methods for hanging and/or expanding liner strings
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-023/00
E21B-023/04
E21B-033/13
출원번호
US-0649870
(2012-10-11)
등록번호
US-8567515
(2013-10-29)
발명자
/ 주소
Giroux, Richard L.
Lynch, Michael J.
Ring, Lev
출원인 / 주소
Weatherford/Lamb, Inc.
대리인 / 주소
Patterson & Sheridan, L.L.P.
인용정보
피인용 횟수 :
6인용 특허 :
42
초록▼
Embodiments of the invention generally relate to tools and methods for hanging and/or expanding liner strings. In one embodiment, a method of hanging a liner assembly from a previously installed tubular in a wellbore includes running the liner assembly and a setting tool into the wellbore using a ru
Embodiments of the invention generally relate to tools and methods for hanging and/or expanding liner strings. In one embodiment, a method of hanging a liner assembly from a previously installed tubular in a wellbore includes running the liner assembly and a setting tool into the wellbore using a run-in string. The setting tool includes an isolation valve and the liner assembly includes a liner hanger and a liner string. The method further includes sending an instruction signal from the surface to the isolation valve, wherein the isolation valve closes in response to the instruction signal and isolates a setting pressure in the setting tool from the liner string; and increasing fluid pressure in the setting tool, thereby setting the liner hanger.
대표청구항▼
1. A method of expanding a liner in a wellbore, comprising: running the liner and an expander assembly into the wellbore using a run-in string, wherein the expander assembly comprises an electric actuator, a two-position expander, a piston, and a cone;dropping a ball or dart having a radio frequency
1. A method of expanding a liner in a wellbore, comprising: running the liner and an expander assembly into the wellbore using a run-in string, wherein the expander assembly comprises an electric actuator, a two-position expander, a piston, and a cone;dropping a ball or dart having a radio frequency identification tag from surface to a shoe of the liner, thereby closing the shoe, wherein the electric actuator supplies fluid pressure to the piston in response to communication with the radio frequency identification tag, thereby driving the cone into a corrugated portion of the liner and forming a launcher in the liner for the expander assembly and shifting the two-position expander from a contracted position to an expanded position in the launcher; andexpanding the liner using the two-position expander in the expanded position. 2. The method of claim 1, wherein: the shoe connects the liner and the expander assembly, andthe method further comprises releasing the expander assembly from the shoe. 3. The method of claim 1, wherein the fluid pressure is supplied by exposing the piston to a bore of the mandrel. 4. The method of claim 1, wherein the liner is expanded by pressurizing the mandrel and launcher. 5. The method of claim 1, further comprising operating a release mechanism to shift the two-position expander back to the contracted position. 6. The method of claim 3, wherein the piston and mandrel form a vacuum chamber. 7. A method of expanding a liner in a wellbore, comprising: running the liner and an expander assembly into the wellbore using a run-in string, wherein the expander assembly comprises a mandrel, an electric actuator, a two-position expander, and a seal engaged with the liner;dropping a ball or dart having a radio frequency identification tag from surface to a shoe of the liner, thereby closing the shoe;pumping fluid through the mandrel, thereby forming a launcher in the liner for the expander assembly;moving the two-position expander into the launcher, wherein the electric actuator shifts the two-position expander from a contracted position to an expanded position in the launcher in response to communication with the radio frequency identification tag; andexpanding the liner using the two-position expander in the expanded position. 8. The method of claim 7, wherein: the shoe connects the liner and the expander assembly, andthe method further comprises releasing the expander assembly from the shoe. 9. The method of claim 7, wherein: the launcher is formed in a corrugated portion of the liner, andthe pumped fluid forms the launcher by unfolding the corrugated portion. 10. The method of claim 7, wherein the liner is expanded by pressurizing the mandrel and launcher. 11. A method of expanding a liner in a wellbore, comprising: running the liner and an expander assembly into the wellbore using a run-in string, wherein the expander assembly comprises a mandrel, a valve having an electric actuator, a two-position expander, and a seal engaged with the liner;dropping a device having a radio frequency identification tag from surface to the electric actuator, wherein the electric actuator opens the valve in response to communication with the radio frequency identification tag;pumping fluid through the mandrel and open valve, thereby forming a launcher in the liner for the expander assembly;relieving pressure from the mandrel, wherein the electric actuator closes the valve;moving the two-position expander into the launcher;shifting the two-position expander from a contracted position to an expanded position in the launcher; andexpanding the liner using the two-position expander in the expanded position. 12. The method of claim 11, wherein: a shoe connects the liner and the expander assembly,the device is ball or dart which lands in the valve, thereby closing the shoe, andthe method further comprises releasing the expander assembly from the shoe. 13. The method of claim 11, wherein: the launcher is formed in a corrugated portion of the liner, andthe pumped fluid forms the launcher by unfolding the corrugated portion. 14. The method of claim 11, wherein: the two-position expander is shifted by pressurizing the mandrel with the valve closed, andthe actuator reopens the valve after the two-position expander is shifted. 15. The method of claim 14, wherein the liner is expanded by pressurizing the mandrel and launcher via the open valve to drive the expander through the liner.
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