Steamflooding in multi layered reservoirs

Details Steamflooding in multi layered reservoirs Steamflooding in multi layered reservoirs

1990-01-26

1991-05-14

Britts, Ramon S.

Wells

Processes

Cyclic injection then production of a single well

166272, 166302, 166303, 166245, E21B 4300

Patent

active

050147846

ABSTRACT:
A method for stimulating production of hydrocarbons from multilayered heavy oil formations starts with injecting high quality steam through a first group of wells into the lower most level. Hydrocarbon product generated by the steamflooding are extracted by a second group of wells while the steamflooding preheats the bottom of the second lowermost layer. The second group of wells are then used to inject steam into the second layer and a portion of the first group of wells are used for production from this level. The function of the groups of wells continues to alternate with each successive level while the number of wells used in each group decreases thereby increasing the areal sweep.

REFERENCES:
patent: 3143169 (1964-08-01), Foulks
patent: 3430700 (1969-03-01), Satter et al.
patent: 4321966 (1982-03-01), Traverse et al.
patent: 4491180 (1985-01-01), Brown et al.
patent: 4495994 (1985-01-01), Brown et al.
patent: 4660641 (1987-04-01), Shen
patent: 4702317 (1987-10-01), Shen
patent: 4766958 (1988-08-01), Faecke

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