Wells – Processes – Placing or shifting well part
Reexamination Certificate
2006-07-19
2008-09-30
Bagnell, David J. (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S208000, C166S242900, C166S380000, C175S022000
Reexamination Certificate
active
07428933
ABSTRACT:
Methods and systems for conducting liner drilling and subsequent completion of the drilled section by cementing and anchoring the liner into place. The methods and systems prevent the liner from being cemented in in a bent or corkscrewed configuration. Additionally, there are no exterior components associated with the liner during drilling so as to allow relatively unrestricted return of drilling mud and cuttings.
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Givens George
Miller Troy A.
Myhre Morten
Bagnell David J.
Baker Hughes Incorporated
Hunter Shawn
Hutchins Cathleen R
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