发明名称 |
APPARATUS AND METHODS FOR DRILLING A WELLBORE USING CASING |
摘要 |
Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.
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申请公布号 |
US2008093124(A1) |
申请公布日期 |
2008.04.24 |
申请号 |
US20070932430 |
申请日期 |
2007.10.31 |
申请人 |
GIROUX RICHARD L;GALLOWAY GREGORY G;LE TUONG T;JACKSON RAYMOND H;NAZZAL GREGORY R;SWARR JAMES C;BRUNNERT DAVID J;BEASLEY WILLIAM M;LIRETTE BRENT J;ODELL ALBERT C;TERRY JIM;MCKAY DAVE;ALKHATIB SAMIR;WARDLEY MIKE |
发明人 |
GIROUX RICHARD L.;GALLOWAY GREGORY G.;LE TUONG T.;JACKSON RAYMOND H.;NAZZAL GREGORY R.;SWARR JAMES C.;BRUNNERT DAVID J.;BEASLEY WILLIAM M.;LIRETTE BRENT J.;ODELL ALBERT C.;TERRY JIM;MCKAY DAVE;ALKHATIB SAMIR;WARDLEY MIKE |
分类号 |
E21B7/06;B05B1/00;E21B7/18;E21B7/20;E21B10/60;E21B10/61;E21B21/10;E21B33/14;E21B34/00;E21B41/00;E21B47/01 |
主分类号 |
E21B7/06 |
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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