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. 20, 1981
Filed:
Dec. 14, 1979
Applicant:
Inventor:
Kaye L Motz, Ponca City, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252 / ; 166274 ; 166275 ;
Abstract
An improvement is disclosed in the method of recovering hydrocarbons from a subterranean formation by use of an aqueous mixture containing an alkali metal hydrocarbon sulfonate and a solubilizing agent (e.g. isobutanol). Briefly, the improvement comprises using as the sulfonate an alkali metal C.sub.20 -C.sub.24 alkane sulfonate.