Mineral oils: processes and products – Miscellaneous
Patent
1993-01-25
1994-05-24
Myers, Helane
Mineral oils: processes and products
Miscellaneous
208 46, 137 13, C10G 100
Patent
active
053146158
ABSTRACT:
A method for lowering the viscosity of a heavy hydrocarbon in situ in a well formation so as to improve well production wherein the heavy hydrocarbon has an API gravity in the range between 6.degree. and 12.degree. and a dynamic viscosity in the range between 300 and 900 centipoises @ 195.degree. F. comprising lowering the viscosity of a virgin heavy hydrocarbon outside of a well formation wherein said heavy hydrocarbon has an API gravity in the range between 6 and 12 degrees and a dynamic viscosity above 300 centipoises @ 195.degree. F. so as to make pumpable with conventional pumping equipment comprising mixing said hyrdocarbon at a temperature range between 400.degree. and 500.degree. F with steam and an additive selected.
REFERENCES:
patent: 4181177 (1990-01-01), Compton
patent: 4706697 (1987-11-01), Bowen
Campos Rafael E.
Hernandez José A.
Intevep S.A.
Myers Helane
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