Wells – Valves – closures or changeable restrictors
Patent
1978-11-03
1980-01-15
Novosad, Stephen J.
Wells
Valves, closures or changeable restrictors
E21B 4300
Patent
active
041834089
ABSTRACT:
Hydrocarbons are produced from source rocks in fluid communication with geopressured sections by (a) producing fluids from the geopressured section to reduce pressure, (b) shutting in to allow migration from the source rock to the formerly geopressured section, and (c) producing the migrated hydrocarbons from the section.
REFERENCES:
patent: 1083018 (1913-12-01), Johnson
patent: 1787972 (1931-01-01), Doherty
patent: 2353652 (1944-07-01), Coonrod
patent: 3258069 (1966-06-01), Hottman
patent: 3451477 (1969-06-01), Kelley
patent: 4040487 (1977-08-01), Cook, Jr. et al.
patent: 4042034 (1977-08-01), Cook, Jr. et al.
patent: 4116276 (1978-09-01), Cook, Jr. et al.
Hodgson, "Natural Gas:The Search Goes On", National Geographic, vol. 154, No. 5, Nov. 1978.
Conoco Inc.
Novosad Stephen J.
Reinert A. Joe
Suchfield George A.
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