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. 28, 2006
Filed:
Jan. 07, 2004
Keith A. Frost, Duncan, OK (US);
Gary P. Funkhouser, Duncan, OK (US);
Bessie “nita” Q. Citrowske, Duncan, OK (US);
Brad L. Todd, Duncan, OK (US);
Keith A. Frost, Duncan, OK (US);
Gary P. Funkhouser, Duncan, OK (US);
Bessie “Nita” Q. Citrowske, Duncan, OK (US);
Brad L. Todd, Duncan, OK (US);
Halliburton Energy Services, Inc., Duncan, OK (US);
Abstract
The present invention relates to methods and compositions for treating subterranean formations, and more specifically, to improved methods and compositions for generating acids for use downhole, for example, to at least partially degrade the acid-soluble portions of filter cakes deposited in subterranean formations. In one embodiment, the present invention provides a method of degrading an acid-soluble portion of a filter cake comprising contacting the acid-soluble portion of the filter cake with an acid generated from an orthoester.