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:
Oct. 27, 1981
Filed:
Jul. 18, 1980
Applicant:
Inventors:
John L Stalder, Ventura, CA (US);
William L Martin, Ponca City, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166303 ; 166302 ;
Abstract
Methods and apparatus for insulating a well bore to reduce heat transfer between fluids flowing through the well bore and surrounding formations wherein a heat activated gel-forming fluid having heat insulating properties when gelled is introduced into the annular space between the well bore and the tubing string contained therein and caused to be gelled.