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US 11,898,095 B2Granted
Crosslinking of cellulose fibers
AssigneeSchlumberger Technology Corporation
InventorsGiselle Refunjol, Jazmin Godoy-Vargas, Mohan Kanaka Raju Panga
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Abstract
Methods of treating a subterranean formation include forming a treatment fluid including a hydrophilic fiber coated with a water soluble polymer and a crosslinking agent.
Claims20
A method of treating a subterranean formation, the method comprising:
- forming a treatment fluid, comprising:
- at least one hydrophilic, pulp cellulose-based fiber, wherein an outer wall of the at least one hydrophilic, pulp cellulose-based fiber is coated with a water soluble polymer comprising carboxymethylcellulose, and the at least one hydrophilic, pulp cellulose-based fiber is dried after being coated with the water soluble polymer;
- and
- at least one crosslinking agent tetraethylenepentamine;
- and
- placing the treatment fluid in the subterranean formation.
3 more elements
A treatment fluid comprising:
- at least one hydrophilic, pulp cellulose-based fiber, wherein an outer wall of the at least one hydrophilic, pulp cellulose-based fiber is coated with a water soluble polymer comprising carboxymethylcellulose, and the at least one hydrophilic, pulp cellulose-based fiber is dried after being coated with the water soluble polymer;
- and
- at least one crosslinking agent comprising tetraethylenepentamine.
A treatment fluid comprising:
- a hydrophilic fiber network comprising a plurality of coated fibers cross-linked via at least one crosslinking agent comprising tetraethylenepentamine, wherein each of the plurality of coated fibers comprises:
- a hydrophilic, pulp cellulose-based fiber;
- and
- a dried coating disposed on an outer wall of the hydrophilic, pulp cellulose-based fiber, wherein the dried coating comprises a water soluble polymer comprising carboxymethylcellulose.
1 more element
Dependencies are inferred from the claim text.