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:
Jan. 21, 1992
Filed:
Oct. 22, 1990
Applicant:
Inventors:
Friedrich Engelhardt, Frankfurt am Main, DE;
Gerlinde Ebert, Dreieich/Offenthal, DE;
Assignee:
Cassella Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166308 ; 252-8551 ;
Abstract
The present invention relates to the use of hydrocarbon-rich gels as fracturing fluids and also to fracturing fluids which are composed of a hydrocarbon-rich gel and an auxiliary.