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Squeeze process for reactivation of well treatment fluids containing a water-insoluble adsorbent
Squeeze process for reactivation of well treatment fluids containing a water-insoluble adsorbent
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机译:挤压工艺,用于重新活化含有水不溶性吸附剂的油井处理液
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摘要
A process for fracturing a subterraneous formation in the production of an oil well is described. The process steps include injecting an initial charge of a mixture, the mixture being formed from at least a water-insoluble adsorbent and at least one well treatment agent, into a well bore formed in the subterraneous formation so as to form a downhole matrix within the formation; injecting a solution comprised of an additional amount of the well treatment agent into the formation after the initial charge of the at least one well treatment agent has been substantially depleted; and then pressurizing the well bore for a time and under conditions sufficient to reactivate the downhole matrix in the formation, so that the treatment agent activity of the matrix is increased relative to the treatment agent activity of the matrix just prior to injecting the solution.
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