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/ August
August 2011




КогалымНИПИнефть - 15 years



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Geology and prospecting works


V.V. Shkandratov, Yu.N. Feodorov, G.V. Takkand, V.M. Vingalov, A.V. Beltikov, S.V. Lyagushov, T.A. Tsimbalyuk, I.V. Tychinkina, T.A. Kryakvina, M.G.Latfullin (KogalymNIPIneft OOO)
The possibilities of multidisciplinary geology-geophysical exploration when predicting properties of reservoirs, geological modelling and drilling support

The problems of complex approach to the exploration of properties of productive reservoirs of AB1-3 – AB2 layers of Kechimovskoye field as an example are considered. The results of geological nonuniformity research of these objects are given. Detailed geological model confirmed by drilling is shown.
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S.V. Lyagushov, G.V. Takkand (KogalymNIPIneft OOO)
Fine precision between seismic and drilling data is the base for hydrocarbon accumulation properties forecast

Convergence between seismic and drilling data is the basis for predicting the properties of hydrocarbon deposit. It can be argued that rather close connection between them is always there, but it is not always obvious, a lot depends on the accuracy of processing and interpreting the results of well logging and field seismograms processing graph. On the example of reservoirs with complex geological structure, over the field, studied with 3D exploration seismology, it is shown the use of inversions to identify and strengthen these connections, as well as for the geometrization of hydrocarbon deposits. Improvement of the seismogeological deposit model allows to refine the reserves.
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S.A. Lats, A.I. Lebedev, I.I. Odnoshevnaya (KogalymNIPIneft OOO), K.G. Skachek (Kogalymneftegaz TPP LUKOIL-Western Siberia LLC)
Zonal seismogeological model of neokomsky depositions of the «LUKOIL-Western Siberia» activity territory in Shirotnoye Priobiye

New data obtained for the last few years, demonstrate considerable differences in models and indexing of layers, compared to ones being on State balance.  In connection with this urgent development (formulating) of common correlation principles for the entire territory, borders setting and layers indexing; revision of accepted stratigraphic sequences and their adjustment in accordance with valid geological model of layers, both within a single deposit and within the entire NGR (oil-and-gas bearing area) or NGO (oil-and-gas bearing region). Specification of present geological model of Achimovsky sediments and their detailing allow to optimize a volume of indispensable for restudying geoexploration work and to define priority objects and the direction of production drilling.
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V.A. Vavilin, A.A. Kunakasov, T.R. Galiev, E.V. Sorokina (KogalymNIPIneft OOO)
Effectiveness of the nuclear magnetic resonance method use for core samples and drilling sludge laboratory petrophysical study

NMR method is used for pore space structure changing control, and its fluid distribution, that occurs in modeling of oil field exploitation, and enhanced oil recovery methods. A conclusion can be made about pore space structure changing according to changes of observable core sample relaxivity characteristic. Calculated relaxation curves provide to estimate pore space structure changing after the influence on core sample during laboratories researches, also nature and degree of changing on different steps of researches.
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O.B. Kuzmichev (KogalymNIPIneft OOO)
Technology of oil-and-gas exploration wells research by bigradient self-potential logging

Problems of the informativity increase of self-potential logging method, which are expressed in improving its vertical resolution, static potentials determining, basic calculation parameters evaluating (the coefficients of porosity and oil saturation) for reservoirs of different thickness, including a small ones (up to 0.5 m), are considered. The studies were conducted on the basis of the methodology of mathematical modeling using the theory of  self-potential method in the stack  of electrically heterogeneous, anisotropic layers with different radii of zones of flushing fluid penetration.
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L.N. Bruzhes, V.L. Bruzhes (KogalymNIPIneft OOO), K.G. Skachek (Kogalymneftegaz TPP LUKOIL-Western Siberia LLC), V.G. Izotov (Kazan State University)
Typification of the terrigenous reservoirs of Tevlinsko-Russkinskoye field Upper Jurassic horizon and features of the anisotropy of their filtration-capacitive properties

On the basis of a detailed sedimentological analysis of the Upper Jurassic horizon Yu1 of Sredneobskaya group of fields their facial, macro- and microheterogeneity is revealed, that determines their complicated structure. The typification of productive silty sand deposits of horizon was carried out. It was noted that information about the anisotropy of the reservoir allows to substantiate the application of bed stimulation methods. The problems of the anisotropy of the investigated sediments are considered.
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V.V. Shkandratov, Yu.N. Fedorov, G.V. Takkand, S.V. Lyagushov (KogalymNIPIneft OOO), M.V. Chertenkov (LUKOIL OAO)
Exploration experience of stressedly-deformed condition of sediments of BK1-2 of Vostochno-Kamennyi licensed site of Krasnoleninskoye deposit

The necessity and opportunity of tectonic stresses examining in the rocks of productive oil- and-gas reservoirs are considered in the article. The research results of stressedly-deformed condition of sediments of BK1-2 layers are given on the example of Vostochno-Kamennyi licensed site of Krasnoleninskyi deposit. The procedure of obtaining the values of Poisson’s ratio based on the tools of elastic inversion and geological production analysis subject to transpression and transtension zones are given in the paper.
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Y.N. Feodorov, V.V. Shkandratov (KogalymNIPIneft OOO), A.V. Maslov, Professor, Y.L.Ronkin (Institute of Geology and Geochemistry, Ural Branch of RAS)
Peculiarities of groundwater geochemical composition of productive reservoirs of some fields in Western Siberia

The results of research of rare-earth elements (lanthanides) in ground waters of some deposits of West Siberian province by precise method are given in the paper. The appreciable role of juvenile fluids in the formation of modern geochemical aspect of stratal productive reservoir water is shown. Evident influence of hydrothermal fluids on oilfield deposit characteristics is marked on the example of BV6 Kechimovskoye deposit.
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Drilling of chinks


D.L. Bakirov (KogalymNIPIneft OOO)
Technical and technological solutions to improve the wells completion in the Kogalym region

The main problems in well completion and the ways of their solution in mining and geological conditions of the Kogalym region of Western Siberia are considered. The results of the work on the rising efficiency of drilling in conditions of reservoirs with low filtration-capacitive properties are presented. KogalymNIPIneft OOO developments, aimed at reducing the repression during the primary opening of reservoirs and improving the quality of wells casing are shown.
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D.L. Bakirov, P.P. Podkuyko, E.V. Babushkin, M.M. Fattakhov (KogalymNIPIneft OOO)
Ensuring trouble-free construction of horizontal offshoots in the intervals of occurrence of unstable rocks

Considered are the problem of drilling productive strata unstable clay-argillic overlays at large zenith angles with horizontal offshoots and ways of its solution: weighting of the mud, changing the design of wells, the use of inhibited drilling fluids. It is determined that increase in the density of drilling fluid reduces the productivity of wells. The use of a modified design of the offshoot provides stability and qualitative opening of the productive objects with low reservoir pressures. The drilling mud composition, having high inhibiting properties and coefficient of permeability recovery, is proposed. Three offshoots had been drilled with its use without any accident and in a short period.

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Working out and operation of oil deposits


V.V. Shkandratov, V.I. Shalamova, A.A. Zadvornov, V.V. Vakhrushev (KogalymNIPIneft OOO), S.V. Arefyev (Pokachevneftegaz TPP)
Analysis of Kechimovskoye field AV13 + AV2 strata development taking into account new ideas about the geological structure

Problems of a comprehensive approach to geological field analysis of oil-field development, which includes a detailing of the geological model taking into account new methods of interpreting seismic data by the example of Kechimovskoye field АV13+АV2 strata, are considered. Specific features of these strata structure are shown. The classification of their section by geological and physical characteristics is presented. The basic design decisions by these strata are given. It is noted that comprehensive approach allows to increase the degree of oil reserves recovery.
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A.D. Efimov, T.V. Malko, I.A. Podergina, G.V.Takkand (KogalymNIPIneft OOO)
Monitoring of the hydrodynamic characteristics of the reservoir in pumping wells

The results of the method of recalculation of bottomhole and layer pressure on the base of telemetry system (TMS) data, testing and introduction of that method are presented Fundamental system approach schemes in using TMS for oilfield development monitoring by well test methods are represented.
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Yu.V. Zemtsov, S.L. Kulagin (KogalymNIPIneft OOO)
The effectiveness of enhanced oil recovery chemical methods for Jurassic deposits of Western Siberia

The problems of enhanced oil recovery from the Jurassic strata are considered. The efficiency of the approved flow deviation thermotropic technology TermoGOS and oil flushing technology Aldinol-20 is shown for conditions of Jurassic objects of Western Siberia fields, which are characterized by high strata temperature and low reservoir properties.
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Technics and technology of oil recovery


A.E. Bortnikov (KogalymNIPIneft OOO), M.D. Valeev (OZNA-Management OOO)
Operation of electrical centrifugal pump units in flooded wells

It is shown that the operation of flooded wells, equipped with electrical centrifugal pump units , because of the formation in them of fine structures of invert water-in-oil emulsions, accompanied by a significant deterioration in the pressure characteristics of pumps, conditions of track discharge of incidentally produced water, as well as separator oil treating. For a more profound destabilization of the oil-water emulsions in wells, equipped with electrical centrifugal pump units, the development of additional measures, aimed at preventing the mixing of formation fluids in the operating elements of the pumps, is required.
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M.D. Valeev (OZNA-Management OOO), A.E. Bortnikov, L.V. Popova (KogalymNIPIneft OOO), V.Ya. Vedernikov (LUKOIL-Western Siberia OOO)
Substantiation and basic conditions of wells transfer to the dual completion

A graphical-analytical method for determining the boundaries of the well transition to dual completion is proposed. Substantiation of use of simultaneous separate operation on the basis of geophysical and field material analysis for Yuzhno-Yagunskoye field is performed. It is shown that the most favorable for the introduction of dual completion technology are BS101 and BS112 strata.
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Designing of arrangement of deposits


R.R. Taychinov, V.L. Khripkov, Yu.V. Zarudnyaya (KogalymNIPIneft OOO)
Tasks solving by Design Department of KogalymNIPIneft OOO at oil fields in the Western Siberia

A review of the KogalymNIPIneft LLC design department activity with the representation of  the most important projects is given. The main tasks of the complex of design and survey work for the future is to further increase product quality, the maximum possible reduction of terms of design, reducing the cost of projected facilities, development of new technical and technological solutions aimed at maximizing use of oil gas and rising the energy efficiency of designed objects.
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Information technology


V.V. Shkandratov, A.E. Bortnikov, K.E. Kordik (KogalymNIPIneft OOO), V.V. Kononov, I.A. Baklyukov (NEOLANT ZAO)
Geoinformation system of field construction data management - a tool for effective investment in the fields development

Geoinformation system of field construction data management, developed by NEOLANT ZAO jointly with KogalymNIPIneft OOO, is considered. It is shown that geoinformation system of field construction data management allows to create space-time financial and digital model of the infrastructure of oil and gas field. Currently Tevlinsko-Russkinskoye and Yuzhno-Yagunskoye fields construction models, that are transferred into pilot operation, are created.
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The oil and gas industry



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Economy, management, the legal right


E.N. Gubanova, E.V. Kiriyenko (NizhnevartovskNIPIneft OAO)
Problems of assessing the financial and economic activity of enterprise and methods of their solutions

It is noted that despite the large number of techniques used for rapid assessment of the financial condition of the enterprise and developing a strategy for the financial condition management, a number of key problems remain unresolved. The most relevant and important to the company financial indicators are selected. The optimal (reference) values of these indicators are substantiated. Complex assessment of the financial condition of the enterprise with the purpose of making management decisions, aimed at its improving, is carried out. The time period during which the developed reference values can be applied at the particular enterprise without any adjustments is selected and justified.
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Geology and prospecting works


E.A. Bakay (Lomonosov Moscow State University)
Estimation of petroleum potential of Turukhansk Uplift

Some noncommercial fields of oil and gas and natural bitumen shows are discovered in Turukhansk Uplift area. There are no commercial hydrocarbon pools in the north-west part of Siberian Platform. Source rocks investigation is one the key positions in petroleum system study. Hydrocarbons of Vendian and Cambrian pools of Turukhansk area were not generated by Riphean source rocks. They are likely to be generated by the Vendian and Cambrian source rocks of adjacent depressions.
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A.N. Dmitrievskiy (Oil and Gas Research Institute of RAS), E.I. Klabunovsky (N.D. Zelisky Institute of Organic Chemistry of RAS)
Investigation of optical activity of various field oil components

The investigation of the optical activity of oils is carried out. The coefficients of oil maturity and migration are determined. It is established that the degree of oil maturity correlates with its optical activity. The process of biodegradation of oil, significantly influencing on the composition of oil and its optical activity, is considered.
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Drilling of chinks


S.E. Chernyshov, M.S. Turbakov, N.I. Krysin (State National Research Polytechnical University of Perm)
The main directions of improving the efficiency of the construction of sidetracks

Mark of efficiency of technological indicators of building of sidetracks of oil-producing wells is resulted. It is analyzed the quality of cementing liners in sidetracks of oil wells, as well as identify the main technological properties of cement slurries used in cementing of liners. The authors identify the basic reasons of the lack of solid contact cement to neighboring environments and suggest ways of improving the basic technology of casing offshots.
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S.A. Ananyev, F.R. Yakhshibekov (Surgutneftegaz OAO), V.D. Gorgots (Tyumen Branch of SurgutNIPIneft)
On the problems of wells completion in complex conditions

The complexity of deposits in the Lower Cretaceous, Jurassic, Triassic and Paleozoic sediments of Western Siberia increases with the depth significantly, in Eastern Siberia these problems appear much higher along the section. The basic problems and ways of their solution are given. One- and two-factor experiments can not solve the problems that have long ago appeared with increaing the complexity of geological conditions. Boreholes should be constructed along the safety profiles. Due to the fact that in the near future it has to mass drilling of wells in complex mining and geological conditions, the priority lines of Surgutneftegaz OAO scientific and technological development are determined as innovative lines of working out of perspective and reliable techniques and technology of wells construction in very complex conditions in Eastern, Western Siberia and Timan-Pechora oil-bearing province.
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Working out and operation of oil deposits


R.R. Ibatullin, O.V. Salimov, V.G. Salimov, A.V. Nasybullin (TatNIPIneft)
Hydrofracturing of low-pressure reservoirs

Marginal wells producing fr om carbonate formations need to be stimulated, but the lim iting factor for carbonates fracturing is their low reservoir pressure. In this case it will be useful to consider fracture geometry developed under low pressure conditions, and also to evaluate frac-job feasibility and economic efficiency. It has been shown that mechanical barriers restricting fracture height growth can be hydraulically developed through reservoir pressure depletion. This method results in development of longer but height-restrained fractures, which prevents penetration of water horizons and early water breakthrough after frac-job. This paper demonstrates that some reduction of fracturing cost can make this method economically attractive for low-pressure carbonate formations.
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K.M. Garifov, P.N. Kubarev, A.Kh. Kadyrov, A.V. Glukhoded, V.A. Balboshin, I.N. Rakhmanov (TatNIPIneft)
Chemical-analytical procedure to determine water cut of well production from separate layers in dual completions

The paper describes method based on measurement of ions concentration to estimate water cut of well production from different producing intervals when using single-tubing-string dual completion systems.

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Z.R. Rabartdinov (BashNIPIneft LLC), F.D. Shaydullin, I.Z. Denislamov (Oil and Gas Production Department Chekmagushneft – Bashneft-Dobyicha Ltd.)
Specific nature of H2S and its neutralization in well production from Ilishevskoye oil field

The monitoring of H2S content in situ and in total well production for efficient reservoir management and HSE program is validated on the example of Ilishevskoe oil field, Republic of Bashkortostan, characterized by a number of H2S-bearing productive formations. The results of the change in H2S concentration in produced fluids with time and the degree of its neutralization are discussed.
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E.V. Shelyago, I.V. Yazynina (Gubkin Russian State University of Oil and Gas)
Experimental research of rock – formation fluid surface in porous medium

The results of experimental research of hydrocarbon surface layer on the natural rock sample mineral surface are reviewed. The influence of hydrocarbon system composition on its surface layer condition and core filtration characteristics during hydrocarbon movement and hydrocarbon replacement with mineral water is presented.
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V.A. Mordvinov, V.V. Poplygin (State National Research Polytechnical University of Perm)
Change in the well productivity factor with a decrease in bottom-hole and reservoir pressures

A change in the well productivity factor of the obtaining bore holes with the development of oil deposits with a decrease in bottom-hole and reservoir pressures is shown. For the wells in the bobrikovsky deposits of the Shershnevskoye layer is divided a change in the productivity of the collector as a result of deformation processes and influence of free gas. It is revealed, that with the joint manifestation of deformations and reduction in the phase permeability along the oil occurs strengthening the process of reduction in the permeability of layer and well productivity factor, i.e., synergetic effect appears.
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M.S. Turbakov, A.V. Lekomtsev, A.A. Erofeev (State National Research Polytechnical University of Perm)
Determination of paraffin saturation temperature of the Upper Kama oil fields

The dependences for determination of paraffin saturation temperature according to operation of production wells of Unvinskoye and Shershnevskoye oil fields (Upper Kama region) are presented and analyzed. The formula calculations for which do not differ from the experimental data is more specified according to the analysis. Results of the determination of intervals of asphaltene-resin-paraffin deposits in operating producing wells are presented according to the specified dependencies.
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A. Kachurin, R. Sattarov, D. Ayupova, A. Gabdullina (Reagents for drilling Business Unit (Industrial Chemistry OOO) Mirrico Group of Companies)
Improvement of the technology of strata oil recovery enhancement using SoftPusher polyacrylamide in the fields of LUKOIL - Western Siberia OOO

The spectrum of technologies based on polyacrylamide is given. Gel-forming ability of polyacrylamide solutions of SoftPusher brand depending on the concentration of crosslinker, pH value and the presence of stabilizing additives is considered. Polyacrylamide production scheme is presented.
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N.V. Bakhtizina, V.I. Saveliev (Rosneft Oil Company OJSC)
Unconventional gas development: tendencies and perspectives

Advancement in production technologies, such as horizontal drilling and hydraulic fracturing, has led to decrease in production costs and to economic efficiency in production from unconventional gas resources in the last decade. Undoubted leader in the unconventional gas production is USA. Russia has tremendous reserves of conventional gas and does not pay due attention to the problem of developing unconventional gas resources.
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The oil-field equipment


I.E. Ishemguzhin, B.R. Gilmutdinov, M.R. Sitdikov, M.D. Gilyazova (Ufa State Petroleum Technical University)
About restriction of dynamic loadings rod string

The way of decrease in dynamic loadings operating on a rod string on the basis of the analysis dynamogramme polished rod is considered. For an estimation of dynamism of system the amplitude-phase frequency characteristic of transitive process is used at oscillations of rod string.
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Transport and oil preparation


S.S. Ivanov, M.Yu. Tarasov, A.A. Zobnin, V.Yu. Zhiryakov, A.B. Zyryanov (Giprotyumenneftegaz OJSC, HMS Group)
Oil yield enhancement and reduction of light liquid hydrocarbons content in petroleum gas at oil treatment unit design (Part I)

The necessity of determining the optimum regimes of oil separation at oil treatment for transport in order to increase the yield of oil and reducing the amount of light liquid hydrocarbons in the gas fed to the user is shown. The optimal mode of separation under various constraints of the first stage pressure is determined.
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G.N. Chumakov, P.Y. Ilyushin, V.A. Mordvinov (State National Research Polytechnical University of Perm)
Hydraulic calculation of oil pipeline moving gas-liquid systems

Hydraulic design of oil pipeline which is used for well production multiphase transport on one site of Osinsky field is performed with the use of A.I. Guzhov’s and V.F. Medvedev’s techniques. Model results are compared with the actual data.
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