The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2009
Filed:
Dec. 21, 2007
Applicants:
Don M. Coates, Sante Fe, NM (US);
John M. Daniel, Germantown, TN (US);
Inventors:
Don M. Coates, Sante Fe, NM (US);
John M. Daniel, Germantown, TN (US);
Assignees:
Chevron U.S.A. Inc., San Ramon, CA (US);
Lucite International, Cordova, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/13 (2006.01); E21B 43/12 (2006.01); E21B 36/00 (2006.01);
U.S. Cl.
CPC ...
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 comprising at least one polymerizable monomer and at least one antistatic agent to control build up of static charge. The second fluid is preselected to provide a measure of control of the pressure within the annular volume as the fluid within the volume is being heated.