	US 11,987,747 B2
	Sand consolidation using asphaltene/tar with solvents and adsorption system
Ayman R. Al-Nakhli, Dhahran (SA); and Wajdi M. Buhaezah, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Jun. 3, 2022, as Appl. No. 17/832,135.
Prior Publication US 2023/0392068 A1, Dec. 7, 2023
Int. Cl. 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)

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)]

7 Claims

1. A sand consolidation composition, comprising:

a hydrocarbon mixture comprising:

asphaltene, bitumen, or tar;

a binding agent, and

a viscosity modifying solvent and a thermochemical reagent,

where the binding agent is an amino silane,

where the composition has a viscosity ranging from 5 to 200 cP at 20 to 25° C., and

where the thermochemical reagent comprises sodium nitrite and ammonium chloride.