Patent ID: 11959017
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C  E

Claim 0:
1. A diverter agent, comprising:
a surfactant composition, comprising:
a morpholinium based zwitterionic surfactant including a sulfonate terminal moiety having formula (I):, wherein R1 and R2 are alkyl groups that are the same or different having from 1 to 10 carbons and sulfonate terminal moieties, and

an ammonium based zwitterionic surfactant having formula (II):, wherein R3 is an alkyl group having from 1 to 4 carbons with a sulfonate terminal moiety or a carboxylate terminal moiety,
wherein R4 and R5 are alkyl groups that are the same or different having from 1 to 10 carbons,
wherein X is an integer from 15 to 27; and
an activator selected from the group consisting of calcium chloride, sodium chloride, potassium chloride, magnesium chloride, and combinations thereof,
wherein the diverter agent is a gel,
wherein the diverter agent has a viscosity of at least 80 cP at a shear rate of 100 l/s at a temperature up to 150° F.