Intensification of an oil inflow from hydrophobized carbonate reservoirs with high watering

Authors: A.V. Lysenkov, Yu.V. Antipin (Ufa State Oil and Gas University), Yu.N. Stenichkin (Bashneft-Ufa branch of Bashneft ANK OAO)
Results of mud acid treatments at fields of Octyabrskoye oil and gas production department are analysed. Dependence of an additional oil recovery after these treatments on the saturation pressure - bottom-hole pressure ratio is given. The technology of gipan-thermoacid treatment of the flooded well is developed. The mechanism of thermoacid action on flooded reservoirs is considered.

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