[특허]Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods

Baker Hughes Incorporated

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Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-023/00 C22C-001/04 E21B-010/32 B22F-007/08 C22C-032/00 B22F-005/00
출원번호	US-0482795 (2014-09-10)
등록번호	US-9677355 (2017-06-13)
발명자 / 주소	Oxford, James Andy
출원인 / 주소	Baker Hughes Incorporated
대리인 / 주소	TraskBritt
인용정보	피인용 횟수 : 1 인용 특허 : 71

초록

Expandable apparatus include a triggering element comprising an at least partially corrodible composite material. Methods are used to trigger expandable apparatus using such a triggering element and to form such triggering elements for use with expandable apparatus.

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1. A method of operating an expandable apparatus for use in a subterranean borehole, comprising: disposing a triggering element comprising an at least partially corrodible composite material in a fluid flow path passing through a longitudinal bore of a tubular body of the expandable apparatus;seating the triggering element in a seat defined in the tubular body of the expandable apparatus;triggering the expandable apparatus responsive to the seating of the triggering element comprising moving at least one member of the expandable apparatus from a retracted position to an extended position;at least partially corroding a portion of the triggering element to at least partially remove the triggering element from the seat;moving the at least one member of the expandable apparatus from the extended position to the retracted position responsive at least in part to the at least partial removal of the triggering element; andafter moving the at least one member of the expandable apparatus from the extended position to the retracted position: disposing another triggering element in the fluid flow path;seating the another triggering element in the seat defined in the tubular body of the expandable apparatus; andtriggering the expandable apparatus responsive to the seating of the another triggering element comprising moving the at least one member of the expandable apparatus from the retracted position to the extended position. 2. The method of claim 1, wherein at least partially corroding a portion of the triggering element comprises selectively increasing at least one of a salt and an acid content of drilling fluid passing through the expandable apparatus. 3. The method of claim 1, wherein the another triggering element comprising a corrodible composite material and further comprising: at least partially corroding a portion of the another triggering element to remove the another triggering element from the seat; andmoving the at least one member of the expandable apparatus from the extended position to the retracted position responsive at least in part to the at least partial removal of the another triggering element. 4. The method of claim 1, wherein moving the at least one member of the expandable apparatus from the extended position to the retracted position comprises moving the at least one member from the retracted position to the extended position responsive to a flow rate of drilling fluid passing through the longitudinal bore of the tubular body of the expandable apparatus with a push sleeve disposed within the longitudinal bore of the tubular body and coupled to the at least one member. 5. The method of claim 4, wherein seating the triggering element in a seat defined in the tubular body of the expandable apparatus comprises receiving the triggering element in a portion of a traveling sleeve positioned within the longitudinal bore of the tubular body and partially within the push sleeve. 6. The method of claim 1, further comprising at least partially controlling structural degradation of the triggering element with an adherent corrodible material binding at least two or more portions of the triggering element formed from a relatively non-corrodible material as compared to the adherent corrodible material of the triggering element. 7. The method of claim 1, further comprising concentrating stress in the triggering element and accelerating structural degradation of the triggering element with at least one stress riser extending through an outer surface of the triggering element and into the triggering element. 8. The method of claim 1, further comprising concentrating stress in the triggering element and accelerating structural degradation of the triggering element with at least one stress riser extending through a shell defining an outer surface of the triggering element comprising a first material and into a core of the triggering element comprising a second material substantially surrounded by the shell, wherein the first material of the shell is formed from a relatively non-corrodible material as compared to the second material of the core. 9. The method of claim 1, further comprising at least partially controlling structural degradation of the triggering element with a shell defining an outer surface of the triggering element substantially surrounding a core of the triggering element, wherein the shell is formed from a relatively non-corrodible material as compared to the core. 10. The method of claim 1, further comprising selecting the expandable apparatus to comprise at least one of an expandable reamer apparatus and an expandable stabilizer apparatus. 11. A method of operating an expandable apparatus for use in a subterranean borehole, comprising: disposing a triggering element comprising an at least partially corrodible composite material in a fluid flow path passing through a longitudinal bore of a tubular body of the expandable apparatus, wherein the at least partially corrodible composite material of the triggering element comprises a discontinuous metallic phase dispersed within a corrodible matrix phase, the discontinuous metallic phase comprising a metal or metal alloy, a majority of the corrodible matrix phase comprising at least one of a ceramic and an intermetallic compound, a majority of the at least one of the ceramic and the intermetallic compound primarily comprising magnesium and at least one of aluminum and nickel;seating the triggering element in a seat defined in the tubular body of the expandable apparatus;triggering the expandable apparatus responsive to the seating of the triggering element comprising moving at least one member of the expandable apparatus from a retracted position to an extended position;at least partially corroding a portion of the triggering element to at least partially remove the triggering element from the seat; andmoving the at least one member of the expandable apparatus from the extended position to the retracted position responsive at least in part to the at least partial removal of the triggering element. 12. The method of claim 11, further comprising selecting the discontinuous metallic phase of the at least partially corrodible composite material of the triggering element to comprise nanoparticles of the metal or metal alloy. 13. The method of claim 11, further comprising selecting the corrodible matrix phase of the at least partially corrodible composite material of the triggering element to comprise at least one of magnesium, aluminum, nickel, oxygen, magnesium oxide, aluminum oxide, and nickel oxide. 14. The method of claim 11, further comprising corroding the corrodible matrix phase of the at least partially corrodible composite material of the triggering element in at least one of a brine solution and an acidic solution. 15. The method of claim 14, further comprising controlling a rate of intrusion of the at least one of the brine solution and the acidic solution into at least a portion of the triggering element with at least one perforation formed in the triggering element, the at least one perforation extending from a shell defining an outer surface of the triggering element comprising a first material, through the first material of the shell, and into a core of the triggering element comprising a second material being substantially surrounded by the shell, wherein the first material of the shell is formed from a relatively non-corrodible material as compared to the second material of the core.

이 특허에 인용된 특허 (71)

이 특허를 인용한 특허 피인용횟수: 1

Hekelaar, Stephen. Extended duration section mill and methods of use. USP20180810047582.

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Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods

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특허 상세정보

Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods

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이 특허에 인용된 특허 (71)

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IPC 상세정보(version : 201201)

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