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:
Nov. 26, 2019
Filed:
Oct. 28, 2016
Applicant:
M-i L.l.c., Houston, TX (US);
Inventors:
Balakrishnan Panamarathupalayam, Houston, TX (US);
Richard Toomes, Houston, TX (US);
Assignee:
M-I L.L.C., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); C09K 8/508 (2006.01); C09K 8/12 (2006.01); C09K 8/512 (2006.01); C08F 26/10 (2006.01); C08L 39/06 (2006.01); C09K 8/516 (2006.01); C08F 220/56 (2006.01); C08F 220/58 (2006.01); C08L 33/26 (2006.01);
U.S. Cl.
CPC ...
C09K 8/5086 (2013.01); C08F 26/10 (2013.01); C08L 39/06 (2013.01); C09K 8/12 (2013.01); C09K 8/512 (2013.01); C09K 8/516 (2013.01); C08F 220/56 (2013.01); C08F 2220/585 (2013.01); C08L 33/26 (2013.01); E21B 43/26 (2013.01);
Abstract
Compositions herein may include an aqueous fluid, a crosslinked polyvinylpyrrolidone (PVP), and a betaine based polymer. Methods herein may include pumping a selected amount of a fluid loss pill into a formation, the fluid loss pill including a crosslinked PVP and a betaine based polymer.