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:
May. 16, 2017
Filed:
Feb. 02, 2011
D. V. Satyanarayana Gupta, The Woodlands, TX (US);
Madhukar Chetty, Houston, TX (US);
Paul Carman, Spring, TX (US);
D. V. Satyanarayana Gupta, The Woodlands, TX (US);
Madhukar Chetty, Houston, TX (US);
Paul Carman, Spring, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A method of servicing a well is disclosed. The method comprises mixing ingredients to form a well servicing fluid. The ingredients comprise (i) at least one surfactant chosen from alcohol ethoxylates, Cto Cprimary alcohols and ethoxylated propoxylated alcohols, (ii) a zwitterionic polymer prepared by inverse emulsion polymerization of at least one monomer Acomprising a betaine group and optionally one or more nonionic monomers B, and (iii) a saline based aqueous solution. The well servicing fluid is introduced into a hydrocarbon well.