Abstract

Several key problems concerning refracturing in low permeability reservoirs have been studied, i.e. effectiveness of initial fractures, effects of water cut, reservoir pressure on post refrac performance and selection of candidate wells, optimization of fracture length, treatment design, implementation and evaluation. Both technological and economic achievements have been obtained.

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Keywords:
treatment design, implementation, initial fracture, proppant, reservoir pressure, production profile, fracturing materials, conductivity, permeability, concentration
Subjects:
Hydraulic Fracturing, Fracturing materials (fluids, proppant)
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1998. Society of Petroleum Engineers
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