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:
Jan. 19, 2010
Filed:
Nov. 17, 2004
Applicant:
Trinidad Munoz, Jr., Duncan, OK (US);
Inventor:
Trinidad Munoz, Jr., Duncan, OK (US);
Assignee:
Halliburton Energy Services, Inc., Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01); C09K 8/035 (2006.01); C09K 8/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods of degrading filter cakes in subterranean formations are provided. An example of a method is a method of drilling a well bore in a subterranean formation. Another example of a method is a method of degrading a filter cake in a subterranean formation, the filter cake comprising an inorganic portion and an organic portion, and having been established in the formation by a well drill-in and servicing fluid that comprises a delayed-release acid component. An example of a composition is a well drill-in and servicing fluid.