The use of horizontal technology of oil reserve recovery from heterogeneous carbonate rocks of Lower and Middle Carboniferous

Authors: N.Z. Akhmetov (Tatneft OAO), M.A. Sajfutdinov, A.N. Kuznetsov, A.M. Iskhakova (Nurlatneft NGDU)

It is noted, that the construction of a bottom of multihole horizontal well with up side holes allows to cross the nonuniform section of carbonate rocks several times and to increase the borehole length along the reservoir. It is concluded that in the conditions of the Bashkirian deposits the pressure maintenance must be carried out elementwise.



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