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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.:

US 9376607 B1

PDFFull Text
Date of Patent:
Jun. 28, 2016

Filed:

Dec. 03, 2009

Compositions and methods for completing subterranean wells

Applicant:

Simon James, Le Plessis-Robinson, GB;

Inventor:

Simon James, Le Plessis-Robinson, GB;

Assignee:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Attorneys:

Jeremy D. Tillman

Michael Flynn

Tim Curington

Primary Examiner:

Angela M DiTrani

Assistant Examiner:

Anuradha Ahuja

Int. Cl.
CPC ...
C09K 8/08 (2006.01); C04B 28/02 (2006.01); C04B 28/00 (2006.01); C04B 28/06 (2006.01); C04B 28/08 (2006.01); C09K 8/12 (2006.01); C09K 8/487 (2006.01); C09K 8/508 (2006.01); C09K 8/516 (2006.01); C04B 103/00 (2006.01); C04B 103/46 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/08 (2013.01); C04B 28/006 (2013.01); C04B 28/02 (2013.01); C04B 28/06 (2013.01); C04B 28/08 (2013.01); C09K 8/12 (2013.01); C09K 8/487 (2013.01); C09K 8/508 (2013.01); C09K 8/516 (2013.01); C04B 2103/0065 (2013.01); C04B 2103/46 (2013.01); C04B 2111/00146 (2013.01); Y02P 40/165 (2015.11);
Abstract

Disclosed are compositions and methods for providing fluid-loss control in subterranean wells. Well-completion fluids contain fine particulate additives whose glass-transition temperatures are below the anticipated bottomhole temperature. The particles soften upon injection into the well, whereupon they soften and become deformable. The particles then migrate to the borehole wall and form a seal that reduces further fluid flow from the borehole into the formation. The additive may be supplied as a powder or in the form of a liquid suspension.

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James, Simon. (2016). Compositions and methods for completing subterranean wells (U.S. Patent No. 9376607). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9376607

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