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:
Aug. 26, 2025

Filed:

Mar. 26, 2024
Applicants:

Saudi Arabian Oil Company, Dhahran, SA;

King Fahd University of Petroleum & Minerals, Dhahran, SA;

Inventors:

Sulaiman A. Alarifi, Dhahran, SA;

Mobeen Murtaza, Dhahran, SA;

Abdul Rehman Baig, Dhahran, SA;

Mohamed A. Mahmoud, Dhahran, SA;

Muhammad Shahzad Kamal, Dhahran, SA;

Manar M. Alahmari, Dhahran, SA;

Abdulmohsen Humam, Dhahran, SA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/56 (2006.01); E21B 43/02 (2006.01);
U.S. Cl.
CPC ...
C09K 8/56 (2013.01); E21B 43/025 (2013.01);
Abstract

Preventing the flow of soil grains into oil and gas wells is highly desirable for the protection of hydrocarbon production. Geotechnical engineering solutions addressing this issue may utilize enzyme-induced precipitation methods to consolidate and increase shear strength. Methods may comprise: providing a mixture comprising urea, a urease enzyme, calcium chloride, magnesium chloride, and a cellulose; contacting at least a portion of the mixture with at least a portion of a subterranean formation; and forming a biomineral precipitate within the subterranean formation. The biomineral precipitate, comprised of a carbonate mineral and an evaporite mineral, may consolidate particles within the subterranean formation to form a consolidated body.


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