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. 28, 2017

Filed:

Feb. 07, 2014
Applicant:

Shell Oil Company, Houston, TX (US);

Inventors:

Robert Loran Galey, The Woodlands, TX (US);

Lisa Shave Grant, New Orleans, LA (US);

Jeffrey Robert Scheibal, Mandeville, LA (US);

James Brett Wieseneck, Mandeville, LA (US);

Arthur Herman Hale, Houston, TX (US);

Mary Elizabeth Egan, New Orleans, LA (US);

Nor Janiah Japar, Mandeville, LA (US);

Arno Laurentius Michael Van Den Haak, Houston, TX (US);

Assignee:

SHELL OIL COMPANY, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 36/00 (2006.01); E21B 7/14 (2006.01); E21B 33/13 (2006.01); E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 7/14 (2013.01); E21B 33/13 (2013.01); E21B 36/006 (2013.01); E21B 36/008 (2013.01); E21B 43/10 (2013.01);
Abstract

A method of increasing near-wellbore rock strength so as to mitigate or remediate lost circulation events through increased hoop stress in the near-wellbore in a subsurface formation comprises a) cooling a near-wellbore region of the formation, b) allowing a lost circulation material to enter the cooled near-wellbore region; and c) heating the near-wellbore region.


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