US 12,071,589 B2
Water-soluble graphene oxide nanosheet assisted high temperature fracturing fluid
Feng Liang, Cypress, TX (US); Ashok Santra, The Woodlands, TX (US); and Adrian Buenrostro, Udhailiyah (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Oct. 7, 2021, as Appl. No. 17/496,608.
Prior Publication US 2023/0116889 A1, Apr. 13, 2023
Int. Cl. C09K 8/80 (2006.01); C09K 8/66 (2006.01); C09K 8/68 (2006.01)
CPC C09K 8/665 (2013.01) [C09K 8/685 (2013.01)] 10 Claims
 
1. A fracturing fluid comprising:
an aqueous copolymer composition comprising a terpolymer comprising 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, and acrylic acid monomer units, or a salt thereof;
a graphene oxide (GO) additive selected from a non-modified water-soluble graphene oxide and a bifacial hydrophilically-modified GO-AMPS-AA; and
a crosslinker comprising a metal.