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. 09, 2010
Filed:
Sep. 17, 2003
Applicants:
Bradley L. Todd, Duncan, OK (US);
Trinidad Munoz, Jr., Duncan, OK (US);
Inventors:
Bradley L. Todd, Duncan, OK (US);
Trinidad Munoz, Jr., Duncan, OK (US);
Assignee:
Halliburton Energy Services Inc., Duncan, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/12 (2006.01); E21B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to bridging agents for use in subterranean formations, to well drill-in and servicing fluids comprising such bridging agents, and to methods of using such bridging agents and well drill-in and servicing fluids in subterranean drilling operations. An example of a well drill-in and servicing fluid of the present invention comprises a viscosified fluid, a fluid loss control additive, and a bridging agent comprising a degradable material.