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:
Nov. 11, 2014
Filed:
May. 03, 2011
Natalia Collins, Spring, TX (US);
Kingsley Nzeadibe, Houston, TX (US);
Stephen W. Almond, Spring, TX (US);
Carl Thaemlitz, Houston, TX (US);
Natalia Collins, Spring, TX (US);
Kingsley Nzeadibe, Houston, TX (US);
Stephen W. Almond, Spring, TX (US);
Carl Thaemlitz, Houston, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
An embodiment of the present invention includes a method comprising: (a) providing a filter cake on a surface in a subterranean formation, the filter cake comprising a polymer and a bridging agent; (b) providing a filter cake clean-up fluid that comprises an aqueous fluid and L-glutamic acid N,N-diacetic acid; and (c) contacting the filter cake with the filter cake clean-up fluid so that a portion of the subterranean formation neighboring the filter cake has a regain permeability of at least about 86%.