Wells – Processes – Separate steps of fracturing or attacking formation
Patent
1975-04-21
1976-12-21
Novosad, Stephen J.
Wells
Processes
Separate steps of fracturing or attacking formation
166282, 166283, E21B 4326, E21B 4327, E21B 33138
Patent
active
039982726
ABSTRACT:
A process using discrete solid particles of polyvinyl acetate as diverting agents in acid treating subterranean geological formations penetrated by a well.
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patent: 3779915 (1973-12-01), Kucera
patent: 3827498 (1974-08-01), Crowe
Floyd Gerald L.
Hartman Richard C.
Novosad Stephen J.
Sandford Dean
Union Oil Company of California
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