Patent ID: 11859478
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC E  C | IPC C  E

Claim 13:
14. A method comprising:
providing a treatment fluid that comprises a base fluid and a fiber additive that comprises:
a fiber, wherein the fiber has a length of about 0.5 mm to about 25 mm; and
calcium carbonate disposed on at least a portion of an outer surface of the fiber, wherein the calcium carbonate is present in an amount from about 10% to about 35% by weight of the fiber additive;

introducing the treatment fluid into a wellbore penetrating at least a portion of a subterranean formation comprising a loss zone; and
at least partially plugging the loss zone by forming a fiber network across the loss zone via the fiber additive.