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:
Apr. 09, 2019
Filed:
Nov. 11, 2016
Applicants:
M-i L.l.c., Houston, TX (US);
Schlumberger Norge As, Sandnes, NO;
Inventors:
Stephen Cliffe, Houston, TX (US);
Anders Grinrod, Sandnes, NO;
Assignees:
M-I L.L.C., Houston, TX (US);
SCHLUMBERGER NORGE AS, Stavanger, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/36 (2006.01); E21B 21/00 (2006.01); C09K 8/035 (2006.01); C09K 8/52 (2006.01);
U.S. Cl.
CPC ...
C09K 8/36 (2013.01); C09K 8/035 (2013.01); C09K 8/52 (2013.01); E21B 21/00 (2013.01); E21B 21/003 (2013.01); C09K 2208/12 (2013.01); C09K 2208/28 (2013.01);
Abstract
Accretion inhibiting wellbore fluid compositions a ay contain a multiester, a sorbitan ester surfactant, and a base fluid, wherein the composition is in the form of a metastable emulsion. Methods may include emplacing a wellbore fluid into a wellbore, the wellbore fluid containing a multiester, and a sorbitan ester surfactant, wherein the wellbore fluid forms a metastable emulsion.