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:
Dec. 06, 2011
Filed:
Nov. 26, 2008
Applicant:
Daniel Guy Pomerleau, Calgary, CA;
Inventor:
Daniel Guy Pomerleau, Calgary, CA;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/36 (2006.01); C09K 8/02 (2006.01); C09K 8/22 (2006.01); C09K 8/32 (2006.01); C09K 8/12 (2006.01); C09K 8/06 (2006.01); C09K 8/16 (2006.01); C01B 25/38 (2006.01); E21B 43/26 (2006.01); E21B 21/00 (2006.01); E21B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to glycerol based drilling fluids. In particular, the invention relates to drilling fluids comprising a 95-20 volume % glycerol/water solution capable of stabilizing water-sensitive formations during drilling and the use of such solutions for drilling a well having water-sensitive formations.