НЕФТЯНАЯ ПРОВИНЦИЯ

Abstract

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The paper presents analysis of technical and economic efficiency of hydraulic fracturing in Pashiyan terrigenous reservoirs located in mature productive areas. This problem excited interest due to gradual decline of hydrofrac technical and economic efficiency. The aim was to investigate the reasons for this decline and to find solutions to the problem. Various factors have been analyzed that affect the efficiency of hydraulic fracturing, including geological setting and field conditions in productive areas developed by NGDU Aznakaevskneft. Optimum criteria have been identified to select target reservoirs for frac jobs based on their flow properties. Hydrofrac scheme has been optimized with regard to geological setting and field conditions.

Key words:

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formation stimulation, successful hydrofrac treatment, unsuccessful hydrofrac treatment, break-even point, correlation factor, remaining recoverable reserves

References

 

1. U.A. Gutorov, A.F. Shakurova Osnovy tekhnologii GRP v neftyanyh i gazovyh skvazhinah (Fundamentals of hydraulic fracturing in oil and gas reservoirs). Ufa, UGNTU Publ., 2009, 199 p. (in Russian)

2. G.I. Barenblatt O nekotoryh zadachah teorii uprugosti, voznikayushchih pri issledovanii mekhanizma gidravlicheskogo razryva plasta (On some elasticity theory problems when studying hydraulic fracturing mechanism). Prikladnaya mekhanika, Moscow, 1956, Vol. 2, No. 4, pp. 475-486 (in Russian)

3. V.M. Khusainov, Uvelichenie izvlekaemyh zapasov na pozdnej stadii razrabotki krupnogo neftyanogo mestorozhdeniya (Recoverable reserves growth in a large mature field). Extended abstract of Dr.Sc. dissertation. Moscow, 2011, 50 p. (in Russian)

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Authors

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Taipova V.A., PhD, Deputy Director for Research in Reservoir Engineering and IT Development, TatNIPIneft Institute-PJSC TATNEFT, Bugulma, Republic of Tatarstan, Russian Federation E-mail: taipova.v.a@tatneft.ru

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Gutorov U.A., Dr.Sc, Head of Research and Analysis in Fuel and Energy Complex, Regional R&D center Neftyanaya Dolina, member of RANS, Oktyabrsky, Republic of Bashkortostan, Russian Federation E-mail: gutorov70@mail.ru

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Rakhmaev L.G., Lead Specialist, Group for Geological Support of Well Construction Operations, Well Intervention Department, Geology and Technology Center NGDU Aznakaevskneft of PJSC TATNEFT, Aznakaevo, Republic of Tatarstan, Russian Federation E-mail: azn09sg@tatneft.ru

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For citation:

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V.A. Taipova, U.A. Gutorov, L.G. Rakhmaev Issledovanie faktorov, vlijajushhih na jeffektivnost' tehnologii grp, primenjaemoj na terrigennyh kollektorah romashkinskogo mestorozhdenija, razrabatyvaemyh ngdu «aznakaevskneft'» [Factors affecting hydraulic fracturing efficiency in terrigenous reservoirs of romashkinskoye oil field]. Neftyanaya Provintsiya, No. 2(18), 2019. pp. 125-137. DOI https://doi.org/10.25689/NP.2019.2.125-137 (in Russian)