CONTROLLING THE PRESSURE WITHIN AN ANNULAR VOLUME OF A WELLBORE
摘要
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.
申请公布号
EP1948902(A4)
申请公布日期
2015.05.06
申请号
EP20060827858
申请日期
2006.11.16
申请人
CHEVRON U.S.A. INC.;THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
