US 11,667,829 B1
Corrosion inhibition compositions and methods of use
Muthukumar Nagu, Dhahran (SA); Nayef M. Alanazi, Dhahran (SA); and Jothibasu Ramasamy, Dhahran (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Mar. 22, 2022, as Appl. No. 17/700,977.
Int. Cl. C10G 75/02 (2006.01); C09K 8/54 (2006.01)
CPC C09K 8/54 (2013.01) [C10G 75/02 (2013.01); C09K 2208/32 (2013.01); C10G 2300/4075 (2013.01)] 20 Claims
 
1. A method, comprising:
disposing a composition into a first liquid comprising at least one first member selected from the group consisting of a dissolved acid and a dissolved salt, thereby forming a second liquid; and
contacting the second liquid with a second member selected from the group consisting of a component of a refinery, a component of an oil and gas production system, a component of an oil and gas transportation system, and an oil and gas processing system, thereby inhibiting corrosion of the second member,
wherein the composition comprises:
a fatty acid;
at least two amphipathic molecules selected from the group consisting of dodecenyl succinic acid, dimer fatty acid and benzalkonium chloride; and
a solvent, and
wherein the composition comprises from 2-10% of each of the at least two amphipathic molecules.