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. 11, 2025
Filed:
Jul. 11, 2022
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Julia Fernandez Del Valle, Doha, QA;
Christopher Daeffler, Sugar Land, TX (US);
Mohan Panga, Sugar Land, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/27 (2006.01); C09K 8/60 (2006.01); C09K 8/74 (2006.01);
U.S. Cl.
CPC ...
C09K 8/74 (2013.01); C09K 8/602 (2013.01); E21B 43/27 (2020.05);
Abstract
Treatment of subterranean formations using acid blends that contain alcohols and surfactants is described herein. The alcohols and surfactants are used together to retard the activity of acid on acid-susceptible species of rock formations.