发明名称 MULTI-FUNCTION MULTI- HOLE DRILLING RIG
摘要 <p>A multi-function multi-hole rig 1000 including multiple machines for accomplishing various rig functions, e.g., drilling machine(s) DM1, tripping machine(s) TM1, casing machine(s), cementing machine(s) CM1, workover machine(s), etc., for drilling, completing and/or working over multiple wellbores without moving the rig 1000. Rig functions may be performed one after the other and/or simultaneously, while allowing other functions related to completion and production to continue simultaneously.</p>
申请公布号 WO2011071757(A3) 申请公布日期 2012.04.05
申请号 WO2010US58835 申请日期 2010.12.03
申请人 NATIONAL OILWELL VARCO, L.P.;SPRINGETT, FRANK BENJAMIN;BENNETT, DEAN A.;REID, DAVID GILBERT 发明人 SPRINGETT, FRANK BENJAMIN;BENNETT, DEAN A.;REID, DAVID GILBERT
分类号 E21B15/00;E21B19/14 主分类号 E21B15/00
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