Low-Toxicity, Low-Flammability, Environmentally-Safe, Friction Reducer Fluid For Hydraulic Fracturing
First Claim
Patent Images
1. A composition comprising:
- a glycol ether having the formula of R1-O—
R2-OH, wherein R1 is a aliphatic alkyl having 2-18 carbons, or an aromatic group and derivatives thereof, R2 may be a branched or unbranched alkyl group having 2-18 carbons;
an alkylene carbonate, wherein said alkylene carbonate is a carbonate ester being formed by carbonic acid and an alkylene glycol, said alkylene glycol having a formula HO—
R3-OH, wherein R3 is a branched or unbranched alkyl group having 2-18 carbons, anda biodegradable solvent.
1 Assignment
0 Petitions
Accused Products
Abstract
Improved hydraulic fracturing compositions are disclosed which help reduce potential negative environmental impact by hydraulic fracturing. The disclosed compositions have flammability and toxicity and are relatively safe for the environment. The compositions may also contain biodegradable components.
15 Citations
20 Claims
-
1. A composition comprising:
-
a glycol ether having the formula of R1-O—
R2-OH, wherein R1 is a aliphatic alkyl having 2-18 carbons, or an aromatic group and derivatives thereof, R2 may be a branched or unbranched alkyl group having 2-18 carbons;an alkylene carbonate, wherein said alkylene carbonate is a carbonate ester being formed by carbonic acid and an alkylene glycol, said alkylene glycol having a formula HO—
R3-OH, wherein R3 is a branched or unbranched alkyl group having 2-18 carbons, anda biodegradable solvent. - View Dependent Claims (2, 3, 4, 5)
-
- 6. A composition comprising an organic solvent, wherein said organic solvent has an LD50 of at least 100 mg/kg in rat, and has a flash point of at least 150 F.
-
19. A composition suitable for use as a fracturing fluid, said composition comprising propylene carbonate, propanedio, propylene glycol n-butyl ether, propylene glycol phenyl ether, and d-limonene.
-
20. A method of reducing friction in a fracking process, said method comprising the use of a composition, wherein said composition comprises:
-
a glycol ether having the formula of R1-O—
R2-OH, wherein R1 is a aliphatic alkyl having 2-18 carbons, or an aromatic group and derivatives thereof, R2 may be a branched or unbranched alkyl group having 2-18 carbons;an alkylene carbonate, wherein said alkylene carbonate is a carbonate ester being formed by carbonic acid and an alkylene glycol, said alkylene glycol having a formula HO—
R3-OH, wherein R3 is a branched or unbranched alkyl group having 2-18 carbons, anda biodegradable solvent.
-
Specification