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:
Jul. 06, 1999
Filed:
Mar. 25, 1997
James E Norfleet, Houston, TX (US);
Michael A Jarrett, Houston, TX (US);
William M Dye, Houston, TX (US);
Dennis K Clapper, Houston, TX (US);
Geoffrey Robinson, Spring, TX (US);
Ronald G Bland, Houston, TX (US);
John B Weirich, Spring, TX (US);
Billy G Chesser, Onalaska, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
The present invention provides a method of preparing a fluid for use in drilling and completion operations comprising mixing a fluid comprising a salt of an alkaline earth metal with a nonionic colloid-forming material in an amount and under conditions sufficient to convert a majority of said nonionic colloid-forming material into water insoluble hydrated colloidal complexes comprising hydrated ions of said alkaline earth metal complexed with said nonionic colloid-forming material, said complexes being effective to improve a property of said fluid selected from the group consisting of rheology, fluid loss control, and a combination thereof.