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US 6,387,137 B1Granted
Hydrocarbon gels
AssigneeEthox Chemicals, LLC
InventorGeorge Gregory Geib
Life of this patent
Estimating the term…
Abstract
Liquid hydrocarbons are gelled by the introduction of a phosphate ester and a crosslinking agent. Gelling times and viscosities are improved through the use of an enhancer which is, preferably, an oxyalkylated amine or a blend of an oxyalkylated amine with another amine or a non-nitrogen-containing component. Preferred phosphate esters are ether phosphate esters.
Claims13
A gelling composition for fracturing formations comprising:
- a) a hydrocarbon liquid capable of gellation, b) a phosphate ester, c) a crosslinking agent, and d) an enhancer comprising an amine selected from the group consisting of oxyalkylated amines selected from the group consisting of oxyalkylated dialkyl amines, polyoxyalkylated dialkyl amines, oxyalkylated diamines, oxyalkylated aryl amines, and mixtures thereof.
A composition suitable for gelling hydrocarbon liquids comprising:
- a) a phosphate ester, b) a crosslinking agent, and c) an enhancer comprising an amine selected from the group consisting of oxyalkylated amines selected from the group consisting of oxyalkylated dialkyl amines, polyoxyalkylated dialkyl amines, oxyalkylated diamines, oxyalkylated aryl amines, and mixtures thereof.
Dependencies are inferred from the claim text.