[특허]Downhole expandable casting hanger

[미국특허] Downhole expandable casting hanger 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-039/00
출원번호	US-0882873 (1986-07-07)
발명자 / 주소	Watts Gerald D. (Richmond TX)
출원인 / 주소	Cooper Industries (Houston TX 02)
인용정보	피인용 횟수 : 120 인용 특허 : 0

초록 ▼

A hanger assembly 10 for suspending an inner pipe string 32 within an outer casing 16 from a particular location therein. The hanger assembly includes a hanger body 30 and an expandable locking assembly 46 comprised of a plurality of latching fingers 77 secured at their lower ends about the hanger body by a split retainer ring 48 which permits limited pivotal movement of the latching fingers about their lower ends. Each latching finger 47 is provided with a hook surface 71 adjacent its upper end adapted to engage an upward facing abutment 20 on the inner profile of the outer casing. The free ends of the latching fingers are urged outwardly by a circular spring 58. The retainer 48 and locking assembly 46 are secured to the hanger body 30 by a connecting shear ring 55 which restrains relative axial movement of the locking assembly on the hanger body until the latching fingers hook on the inner profile of the outer casing whereby the shear ring 55 is parted by a predetermined weight of the inner pipe string and the hanger body 30 slides downward to lock the fingers 47 in latched relation with the outer casing 16. By uplifting the hanger 30, cooperating cam surfaces 72, 75, 19, 26 on the fingers 47 and outer casing 16 permit extraction of the inner pipe string 32 if desired.

대표청구항 ▼

A hanger assembly for suspending an inner pipe string within and from an outer casing comprising: an elongated tubular hanger body with one end adapted for releasable connection to a well tool and the other end adapted as a lower end for connection to an inner pipe string; said hanger body having a recessed exterior surface portion intermediate its ends and an enlarged diameter locking surface superjacent said recessed portion; a locking assembly sleeved around the recessed surface portion of the hanger body, said locking assembly being comprised of a plurality of longitudinally extending latching fingers arranged circumferentially about the hanger body, said locking assembly including a retainer ring divided into a pair of semi-circular elements arranged in co-planar circumferential relation around the hanger body and about the lower ends of the latching fingers; cooperative means on said semi-circular retainer elements and said latching fingers for mounting the latching fingers to the hanger body for limited pivotal movement about their lower ends, means for connecting said semi-circular retainer elements to the hanger body whereby said locking assembly is connected to the hanger body; means for continually and yieldably urging the free ends of the latching fingers away from the hanger body whereby said locking assembly is continually biased toward an expanded condition; said means for continually and yieldably urging the free ends of the latching fingers comprises a split circular spring carried on the inner surfaces of each of the latching fingers to urge pivoted movement of the latching fingers about their lower ends; a downward facing stop surface provided on each said latching finger adjacent the upper free end thereof whereby when said hanger assembly with a pipe string suspended therefrom is lowered into an outer casing string, the latching fingers of the locking assembly are adapted to expand outwardly at their free ends in pivotal movement about their lower ends whereby the stop surfaces thereon are adapted to engage a mating surface formed in the inner profile of a segment of the outer casing string and arrest further downward movement of the hanger assembly; and shear means for restraining relative axial movement of the locking assembly on said hanger body until the stop surfaces of the latching fingers engage said mating surfaces of the outer casing string whereby the shear means for restraining relative axial movement is adapted to be shorn by a predetermined weight of the pipe string to permit relative sliding movement between the latching fingers and the hanger body whereby the locking surface holds the upper ends of the latching fingers in expanded latched relation with the outer casing and prevents inward movement of the upper ends of the latching fingers.

이 특허를 인용한 특허 (120) 인용/피인용 타임라인 분석

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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald, Apparatus for radially expanding and plastically deforming a tubular member.
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Watson, Brock Wayne; Brisco, David Paul, Apparatus for radially expanding and plastically deforming a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Mack,Robert Donald; Duell,Alan B.; Filippov,Andrei Gregory, Apparatus for radially expanding tubular members.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Method of coupling a tubular member to a preexisting structure.
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Cook, Robert Lance; Ring, Lev; Dean, William J.; Waddell, Kevin Karl, Mono-diameter wellbore casing.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev, Mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev, Mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald, Jr.,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Mono-diameter wellbore casing.
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Cook,Robert Lance; Zwald, Jr.,Edwin Arnold; Waddell,Kevin K.; Ring,Lev; Filippov,Andrei Gregory, Mono-diameter wellbore casing.
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Shuster, Mark; Ring, Lev, Pipe formability evaluation for expandable tubulars.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald; Duell, Alan B., Pipeline.
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Costa, Scott; Hockaday, Joel; Waddell, Kevin K.; Ring, Lev; Bullock, Michael; Cook, Robert Lance; Kendziora, Larry; Brisco, David Paul; Jackson, Tance, Protective sleeve for threaded connections for expandable liner hanger.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Wellbore casing.
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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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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] Downhole expandable casting hanger 원문보기

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[미국특허] Downhole expandable casting hanger 원문보기

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