Disposal of produced formation fines during oil recovery
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United States of America Patent
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-
Nov 29, 1988
Grant Date -
N/A
app pub date -
Jun 8, 1987
filing date -
Jun 8, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Recovered formation fines are pumped in slurry form into an injection well during an enhanced oil recovery process e.g. a steam flood. Said injection can be done incrementally in stages in conjunction with said process. Said fines improve the sweep efficiency of the injected medium. This method is also beneficial where steam breakthrough has occurred since the breakthrough path is in a fluid or semi-solid state thereby allowing the fines slurry to be injected.
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