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:
May. 05, 1992
Filed:
Jan. 31, 1991
Applicant:
Inventors:
Irwin R Supernaw, Bellaire, TX (US);
Kerry D Savage, Houston, TX (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166248 ; 166272 ;
Abstract
A subterranean hydrocarbon-bearing formation is preheated by application of RF energy to the formation so that subsequent steam flooding will more effectively sweep the hydrocarbons from the formation without steam override occurring.