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Shevchenko A.K.,Lukoil | Chizhov S.I.,RITEK JSC | Tarasov A.V.,Territorial Production Unit of RITEK JSC
Neftyanoe Khozyaistvo - Oil Industry | Year: 2011

The preliminary results of fine-dispersed water-gas mixture injection at late stages of heterogeneous fractured reservoir development are analyzed; it is shown that for the first year experiment additional oil production increased by 32.8% compared with the development without fine-dispersed water-gas mixture Injection Into the reservoir; measures to improve the given technology are proposed. Source

Kataev O.I.,Lukoil | Larochkina I.A.,Lukoil | Reytyukhov K.S.,RITEK JSC
Neftyanoe khozyaystvo - Oil Industry | Year: 2015

Volga-Ural oil and gas province is characterized by late-stage development of mineral resources, but to date has a significant reserve of planned and prospective oil resources. From the number of the license areas of Tatarstan, Udmurtia and the Samara region shows that as a result of detailed seismic survey and drilling exploratory wells in recent years has successfully opened oil fields controlled by intraformational system Kama-Kinel troughs. These deposits are generally characterized by a buried mode of occurrence in the traps of different genetic types. The use of attribute analysis to interpret the boundaries of karst erosion Visean-cuttings for the optimum placement of exploratory wells productive Bobrikovian shown in a section of the Samara region. Raw materials, the results of exploration work in recent years in the central part of the Volga-Ural province, geological conditions indicate the need for detailed geological research area in order to identify new deposits and growth of hydrocarbon reserves. Source

Turitsyna M.V.,National Mineral Resources University | Kovalev A.V.,Tomsk Polytechnic University | Morozov V.A.,RITEK JSC | Teleev G.Yu.,Techinformservice OOO | And 2 more authors.
Neftyanoe Khozyaistvo - Oil Industry | Year: 2012

A study of 10 trains of gas-llquld mixtures (GLM) for the primary opening of productive layers with abnormally low reservoir pressure, which consist of the following reagents: a complex of surfactant, a complex stabilizers and builders, glycerine, caustic soda. GKZ-11.vse Investigated solutions have the ability to re-foaming. Source

Karpov V.B.,RITEK JSC | Darishchev V.I.,RITEK JSC | Akhmadeyshin I.A.,RITEK JSC | Dedechko V.A.,RITEK JSC | And 3 more authors.
Neftyanoe Khozyaystvo - Oil Industry | Year: 2015

The paper presents an experimental investigation of hysteresis relative permeability of WAG applied to the conditions of the Vostochno-Perevalnoye oil field in Western Siberia. The test data analysis showed an increase of oil displacement efficiency due to gas displacement of oil and the dependence of relative permeability not only from the saturation history (hysteresis) but also from the number of water-gas stimulation cycles. It is shown the hysteresis of relative permeability to be a significant factor requiring consideration when conducting experimental studies of relative permeability and computer modeling of the water-gas stimulation process. Source

Alekperov V.Yu.,Lukoil | Grayfer V.I.,Lukoil | Nikolaev N.M.,Lukoil | Karpov V.B.,RITEK JSC | And 6 more authors.
Neftyanoe Khozyaistvo - Oil Industry | Year: 2014

In this paper we present new Russian oil-recovery method for exploiting the Bazhenov Formation's deposits, which is based on the integration of the thermal and gas reservoir treatment. This method is carried out by the injection of the oxygen-containing mixture and its spontaneous exothermic oxidation reactions in situ. Based on the aggregation of long-term research it was established that such complex treatment, firstly, allows to increase dramatically oil recovery from the drained carbonate hydrophobic interlayers due to the effective displacing agent's generation, and secondly, provides bringing into development the non-drained argillaceous-kerogenic interlayers due to their controlled heating from the drained interlayers, and at last thirdly, provides additional hydrocarbon recovery from the kerogen due to its cracking and pyrolysis. The results of the first phase of field tests in the pilot of the Sredne-Nazymskoye field (Bazhenov Formation) not only proved in principle the possibility of the new technology's field implementation, but also confirmed main science-based positive effects of the thermal-gas treatment of the Bazhenov Formation's deposits. It is established that this new technology is able to provide the value of oil recovery an order of magnitude greater than the depletion drive. Source

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