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.

Date of Patent:
Apr. 16, 2024

Filed:

Dec. 30, 2021
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Jin Huang, Dhahran, SA;

Wengang Li, Dhahran, SA;

Bader Ghazi Al-Harbi, Dhahran, SA;

Ayman M. Almohsin, Kobar, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/27 (2006.01); C09K 8/54 (2006.01); C09K 8/74 (2006.01); E21B 41/02 (2006.01);
U.S. Cl.
CPC ...
C09K 8/74 (2013.01); C09K 8/54 (2013.01); E21B 41/02 (2013.01); E21B 43/27 (2020.05); C09K 2208/32 (2013.01);
Abstract

This disclosure relates to acidizing retarder compositions and methods of reducing the rate of carbonate dissolution in carbonate acidizing treatments of carbonate formations using the acidizing retarder compositions. The methods may include dissolving one or more retarder compounds in a solution comprising a strong acid to form acidizing retarder compositions, and introducing the acidizing retarder compositions to carbonate formations. The acidizing retarder compositions may include one or more retarder compounds and a strong acid. At least one of the one or more retarder compounds may be a poloxamer. A concentration of the strong acid in the acidizing retarder composition may be 5 weight percent or greater.


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