Patent ID: 11920446
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  E | IPC E

Claim 0:
1. A method, comprising:
providing an injection well extending from a surface into a formation; and
alternatingly pumping a foam injectant and a gel injectant into the injection well;
wherein the foam injectant comprises:
a liquid phase comprising a surfactant and water; and
a gas phase comprising a gas;

wherein the gel injectant comprises a water-soluble polymer and a crosslinker; and
wherein the foam injectant and the gel injectant are injected at separate times and sequentially; and

using the injected gel injectant and the injected foam injectant to drive a reservoir fluid in the formation to a production well a distance from the injection well.