发明名称 |
DEVICE AND METHOD FOR SLANTING A CONDUCTOR CASING |
摘要 |
A device (1) and a method for slanting a conductor casing (30) when establishing a petroleum well where a supporting pipe (6) has been inserted into the seabed (18), the supporting pipe (6) being arranged to receive the conductor casing (30), and the supporting pipe (6) being provided with a casing shoe (20) at a vertical distance (22) below it upper end portion (8), the casing shoe (20) forming a through casing-shoe opening (24) eccentric relative to the supporting pipe (6). |
申请公布号 |
WO2017014644(A1) |
申请公布日期 |
2017.01.26 |
申请号 |
WO2016NO50158 |
申请日期 |
2016.07.14 |
申请人 |
NEODRILL AS |
发明人 |
STRAND, Harald;MATHIS, Wolfgang |
分类号 |
E21B7/12;E21B7/20;E21B17/14;E21B19/24;E21B41/00 |
主分类号 |
E21B7/12 |
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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