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:
May. 21, 2024

Filed:

Jun. 03, 2022
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Ayman R. Al-Nakhli, Dhahran, SA;

Wajdi M. Buhaezah, Dhahran, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/565 (2006.01); C09K 8/502 (2006.01); C09K 8/518 (2006.01); E21B 33/138 (2006.01); E21B 43/02 (2006.01);
U.S. Cl.
CPC ...
C09K 8/565 (2013.01); C09K 8/502 (2013.01); C09K 8/518 (2013.01); E21B 33/138 (2013.01); E21B 43/025 (2013.01);
Abstract

A sand consolidation composition includes a hydrocarbon mixture comprising asphaltene, bitumen, or tar, and a binding agent, where the binding agent is an amino silane, and where the composition has a viscosity ranging from 5 to 20 cP at 20 to 25° C. A method of sand consolidation includes introducing the sand consolidation composition in a wellbore, contacting sand downhole with the sand consolidation composition, maintaining the wellbore such that a viscosity of the sand consolidation composition and the sand increases from an initial viscosity of the sand consolidation composition, introducing a thermochemical reagent comprising sodium nitrite and ammonium chloride such that it intimately intermingles downhole with the sand consolidation composition and releases a gas, and after a period, forming a productive consolidated sand.


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Al-Nakhli, Ayman. (2024). Sand consolidation using asphaltene/tar with solvents and adsorption system (U.S. Patent No. 11987747). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11987747

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