PROCESS FOR PRODUCING MINERAL OIL FROM AN UNDERGROUND DEPOSIT
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United States of America Patent
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Issued Date -
Apr 4, 2013
app pub date -
Sep 28, 2012
filing date -
Oct 4, 2011
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Abandoned
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Abstract
A process for producing mineral oil, in which an aqueous flooding medium comprising water, a glucan, urea and optionally surfactants is injected into the mineral oil formation and mineral oil is withdrawn from the formation through at least one production well, wherein the formation has a temperature of at least 60° C. The formulation forms in situ foams in the formation under the influence of the formation temperature.
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