Attic oil reservoir recovery method

Details Attic oil reservoir recovery method Attic oil reservoir recovery method

1978-10-19

1980-06-03

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166305R, E21B 33138, E21B 4318

Patent

active

042057230

ABSTRACT:
In a conventional attic oil reservoir recovery program wherein gas is injected through a well into an attic reservoir, the gas then migrating updip and displacing oil downward to the producing interval in the well wherefrom the oil is then produced, the improvement is added wherein at the completion of the gas injection step a water excluding agent is injected into the reservoir in the immediate vicinity of the well bore which prevents the formation water from restricting the flow of oil into the well bore and being produced.

REFERENCES:
patent: 1067868 (1913-07-01), Dunn
patent: 3032499 (1962-05-01), Brown
patent: 3308885 (1967-03-01), Sandiford
patent: 3400761 (1968-09-01), Latimer, Jr. et al.
patent: 3411577 (1968-11-01), Altamira
patent: 4042029 (1977-08-01), Offeringa
patent: 4095651 (1978-01-01), Chauveteau
patent: 4120361 (1978-10-01), Threlkeld et al.
Bleakley, "Chevron's Attic-Oil Recovery South Louisiana Looks Good," Oil and Gas Journal, Nov. 13, 1967, pp. 132-134.

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