Intermittent steam injection

Details Intermittent steam injection Intermittent steam injection

1989-09-28

1991-01-22

Suchfield, George A.

Wells

Processes

Cyclic injection then production of a single well

166245, 166272, E21B 4324, E21B 4330

Patent

active

049863525

ABSTRACT:
A method for intermittent steam injection which comprises completing wells in more than one zone and selecting a number of wells as steam injectors. As interwell communication (temperature breakthrough) develops, producers are shut-in to allow for the reservoir pressure to build up and heat to propagate from the channel of communication (e.g., fractures) to the reservoir matrix. The injection phase is followed by blowdown. Thereafter, shut in producers and, in certain other cases, injectors are put on production.

REFERENCES:
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patent: 4182416 (1980-01-01), Trantham et al.
patent: 4257650 (1981-03-01), Allen
patent: 4262745 (1981-04-01), Stewart
patent: 4271905 (1983-06-01), Redford et al.
patent: 4445573 (1984-05-01), McCaleb
patent: 4612989 (1986-09-01), Rakach et al.
patent: 4635720 (1987-01-01), Chew

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