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.

Date of Patent:
Feb. 26, 2013

Filed:

Aug. 17, 2010
Applicants:

David Pasquier, Billancourt, FR;

Alain Driancourt, L'Hay les Roses, FR;

Annie Audibert, Croissy sur Seine, FR;

Inventors:

David Pasquier, Billancourt, FR;

Alain Driancourt, L'Hay les Roses, FR;

Annie Audibert, Croissy sur Seine, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/06 (2006.01); C09K 8/68 (2006.01); C09K 8/42 (2006.01); C09K 8/60 (2006.01); E21B 41/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a well drilling, completion or workover fluid wherein the continuous phase of the fluid essentially consists of a liquid fluorinated compound. In a variant, the liquid fluorinated compound is a perfluorinated compound.


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