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Dissolvable grip or seal arrangement 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • E21B-029/00
출원번호 US-0568009 (1995-12-06)
우선권정보 GB-0025240 (1994-12-14)
발명자 / 주소
  • Head Philip,GB3
대리인 / 주소
    Dubno
인용정보 피인용 횟수 : 99  인용 특허 : 3

초록 ▼

The invention relates to an releasable grip arrangement providing an impermeable barrier in an annular space between an inside tube and an outside tube of an oil well and is made of a material which may be dissolved by a suitable solvent and includes a seal member and a locking member 3, a sleeve wh

대표청구항 ▼

[ I claim:] [16.] A method of detachably supporting an inner tubular member in an outer tubular member of an oil or gas well which comprises the steps of:a) affixing said inner tubular member to an inner wall of said outer tubular member by expanding a first grip part with a second grip part, at lea

이 특허에 인용된 특허 (3)

  1. Bridges Charles D. (Cypress TX), Emergency casing hanger system.
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  2. Lindsey ; Jr. Hiram E. (Midland TX), Liner hanger assembly.
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  3. Barnes ; Jr. James F. (Anderson SC), Support tray for disposable filter bag.
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이 특허를 인용한 특허 (99)

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  4. Brezinski,Michael M.; Chitwood,Gregory B.; Echols,Ralph H.; Funkhouser,Gary P.; Gano,John C.; Henderson,William D.; Kilgore,Marion D.; McGlothen,Jody R.; Powell,Ronald J.; Procyk,Alex; Ray,Thomas W.; Sanders,Michael W.; Schultz,Roger L.; Taylor,Robert S.; Todd,Bradley L.; Tuckness,Cynthia, Annular isolators for expandable tubulars in wellbores.
    상세보기
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    상세보기
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    상세보기
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