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:
Sep. 02, 2025
Filed:
Nov. 30, 2022
Schlumberger Technology Corporation, Sugar Land, TX (US);
Haiyan Zhao, Sugar Land, TX (US);
Murtaza Ziauddin, Katy, TX (US);
Philippe Enkababian, Abu Dhabi, AE;
Temiloluwa Yusuf, Sugar Land, TX (US);
Patrice Abivin, Houston, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
Treatment of hydrocarbon formations using single-phase aqueous acid blends that contain lysine is described herein. The single-phase aqueous fluid includes one or more strong acid molecules and lysine in water, wherein the one or more strong acid molecules are present in a concentration range of 15 wt % to 28 wt %, based on the weight of the aqueous fluid, and lysine is present in a molar ratio of lysine to the one or more strong acid molecules that is from 1:15 to 1:40, and a viscoelastic surfactant.