Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2008-10-10
2010-06-29
Suchfield, George (Department: 3676)
Wells
Processes
Cementing, plugging or consolidating
C166S292000, C166S302000, C166S371000, C507S269000, C507S271000
Reexamination Certificate
active
07743830
ABSTRACT:
A process is described for replacing at least a portion of the liquid within the annular volume of a casing system within a wellbore with a second liquid. The second liquid is preselected to provide a measure of control of the pressure within the annular volume as the fluid within the volume is being heated.
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Bloys James B.
Gonzalez Manuel E.
Hermes Robert E.
Llewellyn Brian C.
Chevron U.S.A. Inc.
Los Alamos National Security
Merchant & Gould P,C,
Suchfield George
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