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. 19, 2020
Filed:
Dec. 30, 2016
M-i L.l.c., Houston, TX (US);
Schlumberger Norge As, Stavanger, NO;
Rachael Anne Cole, Sandnes, NO;
Pradyumna Avinash Deshpande, Houston, TX (US);
Chandrashekhar Yeshwant Khandekar, Katy, TX (US);
Tore Nordvik, Sandnes, NO;
Loic Regnault De La Mothe, Houston, TX (US);
Elodie Shaw, Grenoble, FR;
Laure Canal, Grenoble, FR;
Marine Dugand, Grenoble, FR;
José Santiago, Limony, FR;
M-I L.L.C., Houston, TX (US);
SCHLUMBERGER NORGE AS, Stavanger, NO;
Abstract
Methods may include emplacing into a hydrocarbon production stream a composition containing an asphaltene inhibitor, wherein the asphaltene inhibitor includes the formula: wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester group, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater.