Controlling the pressure within an annular volume of a wellbore

Details Controlling the pressure within an annular volume of a wellbore Controlling the pressure within an annular volume of a wellbore

2005-11-18

2008-10-28

Suchfield, George (Department: 3676)

Wells

Processes

Cementing, plugging or consolidating

C166S292000, C166S294000, C166S295000, C166S300000, C166S302000, C166S371000, C507S219000, C507S224000, C507S231000, C507S260000, C507S269000, C507S902000

Reexamination Certificate

active

07441599

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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