Process for secondary recovery

Compositions – Leather or fur treating

Patent

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166275, E21B 4322

Patent

active

043714447

ABSTRACT:
Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water containing dissolved therein:

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patent: 3811504 (1974-05-01), Flournoy et al.
patent: 3811505 (1974-05-01), Flournoy et al.
patent: 4044831 (1977-08-01), Allen
patent: 4110228 (1978-08-01), Tyler et al.

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