Prospects of low-efficient carbonaceous oil fringes development at Udmurtneft oilfields

Authors: V.A. Nasyrov, S.R. Nurov (INNC CJSC), O.L. Gotlib (Udmurtneft OJSC)
The specifics of oil fringes development which have an extensive gas cap is described on the example of Vereiskian horizon in Kiengopskoe field. In order to recover reserves more completely there were offered various well spacing patterns which combine multi-hole wells and directional sidetracked wells. It is shown the benchmark of the offered options, and that barrier water flooding through multi-hole wells is more preferable compared to conventional schemes. The most efficient well spacing pattern was chosen. The efficiency of multi-hole drilling is demonstrated in comparison with traditional development methods.
The specifics of oil fringes development which have an extensive gas cap is described on the example of Vereiskian horizon in Kiengopskoe field. In order to recover reserves more completely there were offered various well spacing patterns which combine multi-hole wells and directional sidetracked wells. It is shown the benchmark of the offered options, and that barrier water flooding through multi-hole wells is more preferable compared to conventional schemes. The most efficient well spacing pattern was chosen. The efficiency of multi-hole drilling is demonstrated in comparison with traditional development methods.


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