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
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