Oil recovery process using a viscosity adjusted gelation system
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United States of America Patent
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Jul 14, 1987
Grant Date -
N/A
app pub date -
Feb 11, 1986
filing date -
Feb 11, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gelation system for reducing the permeability of a subterranean region is provided by sequentially injecting slugs of a polymer solution and a crosslinking agent solution capable of crosslinking the polymer. The viscosity of the crosslinking agent solution is adjusted to facilitate mixing of the slugs in the desired treatment region to a form gel therein and minimize premature gelation outside of the treatment region.
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