发明名称 |
PREFORM, DEVICE AND METHOD FOR CASING A WELL |
摘要 |
A preform comprises, distributed along its wall, annular curable zones (3) which are radially and outwardly deformable so that they apply against the wall (20) of the well (2), or of the conduit, and which form, after curing, anchoring and sealing locks for the casing. Application: casing of wells, particularly oil wells, or conduits, without using cement.
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申请公布号 |
WO9601937(A1) |
申请公布日期 |
1996.01.25 |
申请号 |
WO1995FR00902 |
申请日期 |
1995.07.06 |
申请人 |
DRILLFLEX;SALTEL, JEAN-LOUIS;SIGNORI, FREDERIC |
发明人 |
SALTEL, JEAN-LOUIS;SIGNORI, FREDERIC |
分类号 |
E21B33/127;E21B43/10;F16L55/165;(IPC1-7):E21B33/127 |
主分类号 |
E21B33/127 |
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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