Low volatile phosphorous gelling agent

Details Low volatile phosphorous gelling agent Low volatile phosphorous gelling agent

2005-08-08

2009-11-24

Seidleck, James (Department: 1796)

Compositions

Compositions containing a single chemical reactant or plural...

Inorganic reactant other than sulfur containing

C507S235000, C507S238000

Reexamination Certificate

active

07622054

ABSTRACT:
Liquid hydrocarbons are gelled by the introduction of a phosphate ester and a crosslinking agent for use in oil recovery. Generally a proppant, delayed gel breaker and other modifiers are added to the gelled hydrocarbon to improve the oil recovery process. The phosphate ester used in this method and composition for oil recovery has low volatility and good stability during hydrocarbon distillation resulting in improved distillation efficiency in a refinery.

REFERENCES:
patent: 4622155 (1986-11-01), Harris et al.
patent: 5807812 (1998-09-01), Smith et al.
patent: 6511944 (2003-01-01), Taylor et al.
patent: 6544934 (2003-04-01), Taylor et al.
patent: 7066262 (2006-06-01), Funkhouser

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