Patent ID: 11884851
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 7:
8. A method comprising:
drilling at least a portion of a wellbore to penetrate at least a portion of a subterranean formation that comprises shale; and
circulating a drilling fluid in at least the portion of the wellbore while drilling at least the portion of the wellbore, the drilling fluid comprising an additive comprising
a base fluid,
a silicate anion, and
a quaternary ammonium cation,

wherein the quaternary ammonium cation is choline, and
wherein the silicate anion is selected from the group consisting of: an orthosilicate, a pyrosilicate, a cyclic-silicate, a single chain silicate, a double chain silicate, a sheet silicate, a colloidal silicate, and any combination thereof.