	US 12,344,798 B2
	Foamed acid system stabilized by two dimensional-graphene and surfactant composite for fracturing application
Abeer Ateeq Alarawi, Khobar (SA); Bader Ghazi Al-Harbi, Dammam (SA); Tamim Hassan Alshehri, Dhahran (SA); Ahmad S. Busaleh, Dhahran (SA); and Abdullah Abbas Alrustum, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on May 31, 2023, as Appl. No. 18/326,890.
Prior Publication US 2024/0400889 A1, Dec. 5, 2024
Int. Cl. C09K 8/70 (2006.01); C09K 8/74 (2006.01); E21B 37/06 (2006.01); E21B 43/27 (2006.01)

CPC C09K 8/703 (2013.01) [C09K 8/74 (2013.01); E21B 37/06 (2013.01); E21B 43/27 (2020.05); C09K 2208/10 (2013.01); C09K 2208/32 (2013.01)]

6 Claims

1. A foamed composition, the composition comprising:

a base fluid;

a graphene particle;

1.5 to 10.0 vol/vol % of one or more surfactants;

a gas; and

15 to 30 vol/vol % of hydrochloric acid;

wherein the foamed composition has a foam quality in a range from 50 to 90 vol/vol % at a temperature in a range from 120° C. to 165° C.,

and

wherein the foamed composition has a half-life of 130 min to 260 min at 200° F.