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...

Full description

Saved in:
Bibliographic Details
Main Authors Giroux, Richard L, Galloway, Gregory G, Brunnert, David J, Maguire, Patrick G, Le, Tuong Thanh, Odell, II, Albert C, Haugen, David M, Tilton, Frederick T, Lirette, Brent J, Murray, Mark, Moyes, Peter Barnes
Format Patent
LanguageEnglish
Published 25.12.2007
Online AccessGet full text

Cover

More Information
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 flow path. After drilling has been completed, wellbore lining conduit may be cemented in the wellbore.