发明名称 |
HANGER ASSEMBLY |
摘要 |
A hanger (3) is suspended and sealed within a wellhead housing (5) by means of a landing ring which engages teeth (8) on the hanger, and a sealing device consisting of wedge rings (15 and 16) which seal respectively against the teeth (8) and the wall of the housing (5).
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申请公布号 |
CA2087928(A1) |
申请公布日期 |
1993.07.23 |
申请号 |
CA19932087928 |
申请日期 |
1993.01.22 |
申请人 |
COOPER INDUSTRIES, INC.;COOPER CAMERON CORP |
发明人 |
SAUNDERS, BRIAN |
分类号 |
E21B33/00;E21B33/043;(IPC1-7):E21B33/04 |
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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