METHODS AND APPARATUS FOR WELLBORE CONSTRUCTION AND COMPLETION

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. Fl...

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Main Authors GIROUX, RICHARD L, HAUGEN, DAVID M, MURRAY, MARK, GALLOWAY, GREGORY G, ODELL, ALBERT C., II, LIRETTE, BRENT J, MOYES, PETER BARNES, BRUNNERT, DAVID J, TILTON, FREDERICK T, MAGUIRE, PATRICK G, LE, TUONG THANH
Format Patent
LanguageEnglish
French
Published 01.05.2012
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary: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.
Bibliography:Application Number: CA20042708591