发明名称 |
METHOD OF COMPLETING AN UNCASED SECTION OF A BOREHOLE |
摘要 |
Method of completing an uncased section (10) of a borehole (1) in an underground formation (2) comprising the steps of (a) placing at a predetermined position in the borehole (1) a slotted liner (11) provided with overlapping longitudinal slots (12); (b) fixing the upper end of the slotted liner (11); and (c) moving upwardly through the slotted liner (11) an upwardly tapering expansion mandrel (15) having a largest diameter which is larger than the inner diameter of the slotted liner (11). |
申请公布号 |
WO9325800(A1) |
申请公布日期 |
1993.12.23 |
申请号 |
WO1993EP01460 |
申请日期 |
1993.06.08 |
申请人 |
SHELL CANADA LIMITED;SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
LOHBECK, WILHELMUS, CHRISTIANUS, MARIA |
分类号 |
E21B43/08;E21B43/10;(IPC1-7):E21B43/10 |
主分类号 |
E21B43/08 |
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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