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:
Dec. 24, 1996
Filed:
Jun. 07, 1995
David E Clark, Humble, TX (US);
William M Dye, Houston, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A method of making a well fluid for use in a well which includes the steps of determining uphole and downhole operating temperatures in the well, and then contacting a well lubricant with a lubricating additive, wherein the lubricating additive has a cloud point temperature greater than the uphole operating temperature and less than the downhole operating temperature. A method of lubricating drilling equipment during opeation of a subterranean well, includes the steps of determining uphole and downhole operating temperatures in the well, and then contacting the drilling equipment with a treating fluid comprising a well lubricant and a lubricating additive, with the lubricating additive having a cloud point temperature greater than the uphole operating temperature and less than the downhole operating temperature.