发明名称 |
ENSEMBLE DE SUSPENSION DE TUBAGE SOUS-MARIN |
摘要 |
A well casing suspension system comprising a casing hanger assembly with an expandable, multiple shoulder, split load ring that is radially expanded into supporting position in a mating groove in a wellhead housing by contact with a previously installed annulus packoff. |
申请公布号 |
FR2630775(B1) |
申请公布日期 |
1995.08.04 |
申请号 |
FR19880017540 |
申请日期 |
1988.12.30 |
申请人 |
FMC CORP |
发明人 |
RANDY J. WESTER;BOB C. HOPKINS;DONALD M. UNDERWOOD |
分类号 |
E21B33/04;(IPC1-7):E21B33/047 |
主分类号 |
E21B33/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|