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公开(公告)号:US3654691A
公开(公告)日:1972-04-11
申请号:US3654691D
申请日:1969-10-20
申请人: CONTINENTAL OIL CO
CPC分类号: F16L59/123 , F16L59/06 , F16L59/08 , Y10S138/05 , Y10T29/49863 , Y10T29/49879
摘要: A process for constructing conduits of at least 30 feet in length within a conduit of a similar length wherein both conduits are joined in prestress.
摘要翻译: 在类似长度的管道内构造长度至少为30英尺的管道的方法,其中两个管道以预应力连接。
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公开(公告)号:US3608640A
公开(公告)日:1971-09-28
申请号:US3608640D
申请日:1969-10-20
申请人: CONTINENTAL OIL CO
CPC分类号: E21B17/18 , E21B36/00 , E21B36/003 , Y10T29/49863
摘要: A method of constructing in a subterranean well a prestressed conduit for conveying heated fluids wherein there is positioned in the well bore two concentric tubing strings having support elements in the annular space therebetween. The annular space is sealed at one end by attaching the tubing strings together. The inner tubing is then elongated and the annulus sealed at the other end thereof.
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公开(公告)号:US3511282A
公开(公告)日:1970-05-12
申请号:US3511282D
申请日:1966-02-07
申请人: CONTINENTAL OIL CO
CPC分类号: F16L59/06 , F16L59/08 , F16L59/123 , Y10T29/49863
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