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:
Mar. 27, 2018
Filed:
Mar. 31, 2015
Halliburton Energy Services, Inc., Houston, TX (US);
Kay Ann Galindo, Montgomery, TX (US);
Weibin Zha, The Woodlands, TX (US);
Jay Paul Deville, Spring, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Systems and methods for drilling in a subterranean formation are disclosed. A method comprises providing a drilling fluid, wherein the drilling fluid comprises an aqueous fluid; a first polymer comprising 2-acrylamido-2-methylpropane sulfonic acid, vinylpyrrolidinone, pentaerythritol allyl ether, and methylenebisacrylamide; and a second polymer comprising acrylate, 2-acrylamido-2-methylpropane sulfonic acid, methacrylic acid, and allyloxy 2-hydroxy propane sulfonic acid. The method further comprises placing the drilling fluid into the subterranean formation and drilling a wellbore in the subterranean formation.