摘要 |
<p>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.</p> |
申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
GIROUX, RICHARD L.;GALLOWAY, GREGORY G.;LE, TUONG THANH;JACKSON, RAYMOND H.;NAZZAL, GREGORY R.;SWARR, JAMES C.;BRUNNERT, DAVID J.;BEASLEY, WILLIAM M.;LIRETTE, BRENT J.;ODELL, ALBERT C.;TERRY, JIM;MCKAY, DAVID;ALKHATIB, SAMIR;WARDLEY, MIKE |