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:
Aug. 12, 1980
Filed:
Jun. 04, 1979
Applicant:
Inventor:
Charles M Blair, Jr, Buena Park, CA (US);
Assignee:
Magna Corporation, Santa Fe Springs, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166274 ; 166275 ; 252 / ;
Abstract
The method of recovering petroleum from a subterranean reservoir preferably comprising the steps of: (1) introducing through an injection well a predeterminable amount of an acylated polyether polyol, the polyether polyol thereof having the formula: ##STR1## wherein: A is an alkylene oxide group, --C.sub.i H.sub.2i O--;