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:
Jan. 28, 2020
Filed:
Feb. 12, 2014
Halliburton Energy Services, Inc., Houston, TX (US);
Pubudu Hasanka Gamage, Katy, TX (US);
Sandeep D. Kulkarni, Kingwood, TX (US);
William Walter Shumway, Spring, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Various embodiments disclosed relate to methods, compositions, and systems for enhanced oil recovery including a viscosifier polymer. In various embodiments, the present invention provides a method of enhanced oil recovery that can include obtaining or providing a composition that includes a viscosifier polymer. The viscosifier polymer includes an ethylene repeating unit including a —C(O)NHgroup and an ethylene repeating unit including an —S(O)ORgroup, where the repeating units are in block, alternate, or random configuration. At each occurrence Rcan be independently selected from the group consisting of —H and a counterion. The method can include placing the composition in a subterranean formation downhole via an injection wellbore. The method can also include extracting material comprising petroleum from the subterranean formation downhole via a production wellbore.