发明名称 |
Packerless well completion assembly |
摘要 |
A subsurface well bore completion assembly without convention inflatable or cup packer elements. The completion is effected by cementing a member having an internal sealing surface in place within the well then running tubing string terminating with a sealing adapter having matching sealing face into the cemented member and sealing said well by pressing the surface and face together under the weight of the tubing string.
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申请公布号 |
US4385663(A) |
申请公布日期 |
1983.05.31 |
申请号 |
US19810289548 |
申请日期 |
1981.08.03 |
申请人 |
CHEVRON RESEARCH COMPANY |
发明人 |
HUTCHISON, STANLEY O. |
分类号 |
E21B33/00;E21B17/10;E21B33/10;E21B36/00;E21B43/10;(IPC1-7):E21B33/10;E21B41/00;E21B43/24 |
主分类号 |
E21B33/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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