发明名称 OIL OPERATED ROTARY STEERABLE SYSTEM
摘要 A technique facilitates steering of rotary steerable systems when conducting directional drilling operations. A rotary steerable system is combined with a pressurized oil system which delivers oil to a piston actuated mechanism. The pressurized oil provides precise, long-lasting control over the orientation of the bottom hole assembly and the drill bit to facilitate directional drilling of boreholes through subterranean formations.
申请公布号 WO2011160027(A3) 申请公布日期 2012.02.23
申请号 WO2011US40893 申请日期 2011.06.17
申请人 7SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER HOLDING LIMITED;SERVICES PETROLIERS SCHLUMBERGER;KIBSGAARD, PAAL;DOWNTON, GEOFFREY, C. 发明人 KIBSGAARD, PAAL;DOWNTON, GEOFFREY, C.
分类号 E21B7/06;E21B10/26 主分类号 E21B7/06
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