METHODS AND APPARATUS FOR WELLBORE CONSTRUCTION AND COMPLETION
摘要
The present invention relates methods and apparatus for lining a wellbore. In one aspect, a drilling assembly having an earth removal member and a wellbore lining conduit is manipulated to advance into the earth. The drilling assembly includes a first fluid flow path and a second fluid flow path. Fluid is flowed through the first fluid flow path, and at least a portion of which may return through the second fluid flow path. In one embodiment, the drilling assembly is provided with a third fluid path. After drilling has been completed, wellbore lining conduit may be cemented in the wellbore.
申请公布号
CA2708591(C)
申请公布日期
2012.05.01
申请号
CA20042708591
申请日期
2004.02.09
申请人
WEATHERFORD/LAMB, INC.
发明人
GIROUX, RICHARD L.;GALLOWAY, GREGORY G.;BRUNNERT, DAVID J.;MAGUIRE, PATRICK G.;LE, TUONG THANH;ODELL, ALBERT C., II;HAUGEN, DAVID M.;TILTON, FREDERICK T.;LIRETTE, BRENT J.;MURRAY, MARK;MOYES, PETER BARNES