Wells – Processes – Cyclic injection then production of a single well
Patent
1987-07-01
1989-02-14
Suchfield, George A.
Wells
Processes
Cyclic injection then production of a single well
166261, 166270, 166272, 166288, 166295, 166300, 166303, E21B 33138, E21B 4324, E21B 43243
Patent
active
048040436
ABSTRACT:
High permeable thermally fluid swept zones in an oil containing formation are selectively plugged by a high temperature selective gel-forming solution without plugging the less permeable unswept portion of the formation. Ungelled solution in the less permeable unswept portion of the formation in the vicinity of the injection well is removed and a thermal fluid is injected into the formation that sweeps oil from the less permeable, unswept portion of the formation, thereby resulting in more complete displacement of oil from the formation.
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Shu Paul
Shu Winston R.
McKillop Alexander J.
Miller Lawrence O.
Mobil Oil Corp.
Speciale Charles J.
Suchfield George A.
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