Annotated index of articles published in the current issue

S.M. Bogdanchikov (Rosneft Oil Company OJSC)
The system application of innovation technologies for the Vankor project realization

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Realization of the Vankor field development project represents the result of an integrated approach to oil and gas reserves development with simultaneous introduction of hydrocarbon recovery, processing and transportation projects. Innovative solutions allowed successful resolution of technological problems, raised from complex reservoir structure, infrastructure-remote location, and harsh natural environment. The Vankor project realization was based on the latest technologies, implemented in the area of geology and reservoir development, drilling, well construction and operation, and surface facilities construction. Applied technological solutions make it possible to achieve high operational and economic indicators. Vankor is the integration project for the Eastern Siberia and Far East development.

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M.M. Khasanov, K.V. Toropov, A.A. Lubnin (Rosneft Oil Company OJSC)
Algorithms for determining vertical permeability distribution

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The presented paper describes an extension of the earlier proposed technique for determining vertical permeability variation in a wellbore (permeability profile) by integrating results of log data interpretation with average reservoir permeability from well testing and the information on reservoir vertical heterogeneity from core samples or oil displacement dynamics. Mathematically, the objective is to find a functional relationship between true and log-derived permeability, represented in a given type of permeability distribution. As a solution of this task, it was proposed to use generalization of a well-known mathematical statistics tool – quantile-quantile transformation. The paper also presents a detail procedure for determining the Dykstra-Parsons coefficient (as a measure of vertical permeability variation) from historical data on oil displacement dynamics.

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V.A. Baikov, A.V. Bezrukov, S.M. Bikbulatov, O.V. Emchenko, A.R. Mukharlyamov, D.D. Suleymanov, T.S. Usmanov (RN-UfaNIPIneft LLC)
Using Normal Operation Well Data to Counteract Geostatistical Modeling Uncertainties

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The paper presents a new approach to flow modeling. The solutions underlying this approach reduce uncertainties which occur in flow models of highly heterogeneous oil fields by employing normal operation well data. The approach was tested in the operation conditions of Priobskoye field.

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A.A. Semenov, R.A. Islamov (Vankorneft CJSC), M.T. Nukhaev (Schlumberger)
Design of inflow control devices in the Vankor field

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An approach to selection of a horizontal well completion system design was proposed. The approach is based on the sector hydrodynamic modelling with the evaluation of oil, gas and water inflow into the well at different times. The approach consists in selecting swell packer location intervals, diameters and a number of nozzles in hydrodynamically isolated segments of well. The results of modelling are compared with the evaluation of inflow profile in a horizontal section of wellbore (PLT).

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I.S. Afanasyev, A.N. Sitnikov, A.G. Zagurenko (Rosneft Oil Company OJSC)
Permeability maps construction algorithms according to the normal operation

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Permeability maps construction algorithms according to normal operation are given. An example for the restoration of the permeability of single-layer object in the database on the new wells start-up is considered. It is noted, that the use of these results at the permeability initialization and combined application of wells geophysical study data with the data of normal operation can significantly simplify the task of the hydrodynamic model adaptation and to increase the efficiency of the planning of geological and technical measures.

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I.R. Mukminov, A.V. Sveshnikov (RN-UfaNIPIneft LLC), V.S. Komarov, E.R. Nazargalin, A.Yu. Blinov (RN-Yuganskneftegaz LLC)
Integrated approach to development of Mamontovskoe field

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The article highlights some typical problems of field development at the final stage. An integrated approach combining a number of technical and economic solutions is proposed for a complex optimization of remaining petroleum reserves recovery in the unique Mamontovskoe field.

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O.A. Botvinovskaya, A.G. Zagurenko, D.I. Ganichev (Rosneft Oil Company OJSC)
Compensating of petrophysical data deficiency using analogous reservoir information

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At early stages of a reservoir study it is necessary to involve the reservoir analog information on because the information available is often not enough. This article contains the analysis of permeability vs. porosity relationship based on analogous reservoirs and the general rules of their behavior in dimensionless coordinates are revealed.

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A.G. Pasynkov, V.V. Bykov, A.V. Rudkin (RN-Yuganskneftegaz LLC), I.V. Rakhmatullina, T.S. Baranov (RN-UfaNIPIneft LLC)
Prospecting and further development issues for U2 reservoir in RN-Yuganskneftegaz LLC activity area

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This paper presents regional scale investigation for petroleum prospecting in RN-Yuganskneftegaz LLC activity area (West Siberia, Russia). The object is Jurassic reservoir (U2) with low reservoir property and complex structure. The results show that in spite of complex structure and considerable depths of reservoirs they are still perspective objects for exploration and development works.

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I.V. Kostrigin, I.F. Khatmullin, E.I. Khatmullina, T.G. Zagurenko (RN-UfaNIPIneft LLC), A.G. Zagurenko (Rosneft Oil Company OJSC)
Rapid evaluation of the waterflooded reservoir energy and production potential forecasting

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This paper concerns about simple mathematical (proxy) models for determination of the reservoir pressure and productivity prediction. The purpose of this work is to remove some restrictions of the previously reported adaptive calculation scheme for a wider usability in the real oil fields. We consider standard approaches to account for the compressibility and mobility changes of the rock fluids during waterflood. Also, practical applications of the developed proxy reservoir models for rapid calculations of the pressure and saturation distributions to achieve better oil field management are briefly discussed.

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S.E. Zdolnik, O.V. Akimov, D.L. Khudyakov (RN-Yuganskneftegaz LLC), V.N. Gusakov, N.N. Kraevskiy (RN-UfaNIPIneft LLC)
Influence of new well technologies on increasing salt balance stability of produced fluid in RN-Yuganskneftegaz LLC

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The article analyzes the main causes and sources of increase of salt ion saturation in produced water at oil fields operated by RN-Yuganskneftegaz Ltd. The paper also describes the results of introducing tested and new well technologiesin the given geological and technical environment. The potential of each technology group is analyzed as to the ability to reduce water salinity and increase the salt stability of the produce. The paper concludes with a success case study of a wide application of different well technologies to control salinity of produced water and step up the general stability of production content.

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V.I. Nikishov, R.A. Khabibullin (Rosneft Oil Company OJSC), A.P. Smetannikov, D.A. Nizhevich (TomskNIPIneft OJSC)
Аpplicability maps for comingled production systems

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An approach for comingled production applicability study is shown. Three technologies will be tested in 2009 in Rosneft Oil Company under the New Technologies System project “Testing and adoption of dual zone comingled production systems”. Pilot applicability maps with description for selected technologies are shown.

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A.S. Malyshev, R.A. Khabibullin (Rosneft Oil Company OJSC), I.M. Ganiev, E.Yu. Nevyadovskiy, A.I. Voloshin, V.V. Ragulin (RN-UfaNIPIneft LLC)
Development of the templates of applicability of technologies to prevent scaling in producing wells

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It is established, that for low yield wells the most effective are technologies of borehole containers and placing inhibitor in the bottom hole. It is noted, that at an increase in oil yield the optimal is formation squeeze technology, which from a technological point of view is the most effective in the whole range of parameters of well operation.

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A.R. Garifullin, M.V. Churbanova (RN-Yuganskneftegaz LLC), V.V. Ragulin, A.I. Voloshin, E.Yu. Nevyadovskiy (RN-UfaNIPIneft LLC)
Mini-squeeze – method of the scale preventing after pump starting. The application in Rosneft-Yuganskneftegaz LLC

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The results of application of the scale inhibitors squeeze treatment are considered in the paper. Main idea of the technology is a preventing scale formation during the reaching operating conditions after killing of a well operations. Obtained squeeze operations results in Rosneft- Yuganskneftegaz in 2007 – 2008 was used for the optimization technological efficiency. The saving rate of Mini-squeeze application in 2008 was estimate.

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V.A. Strizhnev, A.Yu. Presnyakov (RN-UfaNIPIneft LLC), O.A. Tyapov (RN-Purneftegaz LLC), V.I. Nikishov (Rosneft Oil Company OJSC)
Solving problems of well workovers using new technological solutions

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The paper presents the trial results of using different technologies to isolate extensive casing leaks and to shut off overlying gas zones. Also two algorithms are described for approved schemes to choose the technology of casing leaks isolation and shutting off overlying or intermediate layers.

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A.V. Vitevskiy (RN-Yuganskneftegaz LLC), A.V. Sveshnikov (RN-UfaNIPIneft LLC)
Analysis of sidetracks efficiency with hydraulic fracs on Prirazlomnoe field

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The article is about sidetracks efficiency on Prirazlomnoe field. All sidetracks are with hydraulic fracs. On the base of analysis there are recommendations for the future sidetracks candidates.

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A.V. Kiselev, E.V. Starostenko, A.V. Sukhanov (Tomskneft VNK OJSC)
Effectiveness of hydraulic drive for SRP assembly

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Periodically arising problems on translation wells for deep well pump operating procedure. Positive experience of application of mobile hydraulic drive for SRP assambly. The estimation of the received results is lead.

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I.S. Afanasyev (Rosneft Oil Company OJSC), A.N. Nikitin (RN-Yuganskneftegaz LLC), I.D. Latypov, A.M. Haidar, G.A. Borisov (RN-UfaNIPIneft LLC)
Hydrofracturing crack geometry prediction

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It is noted, that the hydrofracturing cracks geometry, calculated by specialists of contractors, often differes from the actual one, that significantly affects the design of systems of development and the optimization of reservoir pressure maintenance systems. Correlation model of the mechanical properties of rocks on basis of a standard set of loggings, which application can increase the accuracy of the crack geometry prediction, is considered. Correct calculation of the horizontal stress taking into account the tectonic and lithostatic stresses, as well as the porous elasticity coefficient, is realized.

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I.P. Zaikin, M.V. Pankov (Rosneft Oil Company OJSC), N.A. Ismailov, S.V. Pushkarev (Tomskneft VNK OJSC)
Rotary controllable system PowerDrive and well log survey system PeriScope operation in horizontal well drilling

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At the moment the most of wells building volume on the «Tomskneft» VNK oilfields are operated from the БУ-3000 ЭУК drilling rigs, that have been issued in 80th years of the last century, and their technical characteristics do not allow wide application of new technology of hole making. Updating of present drilling rigs is one of possible options of solution. The article is about the one drilling rig updating results observation, and results of the first in Western Siberia horizontal well drilling using the rotary controllable system PowerDrive and well log survey system PeriScope of «Schlumberger».

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I.E. Glazunov, S.A. Ivanov (Rosneft Oil Company OJSC), A.F. Ismagilov, A.V. Grishagin (SamaraNIPIneft LLC), A.A. Denisenko (VNIIST-Neftegazproekt JSC)
Rosneft Oil Company OJSC standardized design in oilfield development

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Goals and objectives of standardized design ideology are stated in Rosneft Oil Company OJSC.
Economic efficiency of using elements unification and design decisions typification were shown in some projects of oilfield development.

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M.R. Karimov, R.R. Ismagilov, T.G. Zagurenko, R.F. Sharipov (RN-UfaNIPIneft LLC), V.N. Surtaev, V.A. Pavlov (Oil Company Rosneft OJSC)
Designing of development of oil-and gas fields using corporate software Geology and Production

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Pilot results of using Rosneft corporate software Geology and Production for conceptual design of integrated projects is presented in the article. The new module within this software significantly decreases amount of routine operations and increases quality of integrated project design.

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V.A. Shashel, V.V. Stroilov (Samaraneftegaz OJSC), A.F. Ismagilov, E.A. Sukhov, A.A. Postelnikov (SamaraNIPIneft LLC)
Alternative variant of the development of oil-and-gas production enterprise

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An alternative variant of development of above-ground infrastructure of oil-and-gas production enterprise by the exam ple of the southern group of Samaraneftegaz OAO fields, based on the use of an oil gas for power supply of oiland-gas production plant, is proposed. The advantages of the given variant are considered.

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A.S. Malyshev, A.A. Pashali (Rosneft Oil Company OJSC), D.V. Markelov (RN-Yuganskneftegaz LLC), M.G. Volkov, R.S. Halfin, A.V. Zhonin (RN-UfaNIPIneft LLC)
Application of elements of artificial intelligence for fault diagnosis of electric centrifugal pump in the Rosneft-WellView monitoring system

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Paper presents the approach to diagnostics of well submersible pump condition on the basis of the ampercharts analysis with use of algorithms of the artificial intelligence in Rosneft-WellView information system. Studied correlation of ampercharts behavior, equipment condition and ESP runtime.

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V.A. Yelichev, K.V. Litvinenko, A.A. Pustovskikh (RN-UfaNIPIneft LLC), R.A. Khabibullin (Rosneft Oil Company OJSC), A.G. Mikhailov, S.E. Mezikov (RN-Purneftegaz LLC)
Applicability of electric centrifugal pumps with submersible electric motor casing below the perforated interval in wells with high gas-oil ratio

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The question of the effectiveness of application of the electric centrifugal pumps with submersible electric motor casing is considered. Various variants of installation of the pump below the perforated interval are presented. Their detailed comparison is carried out. The new mechanistic model, that allows to evaluate the effectiveness of reverse natural separation, is used. A map of the applicability of pumps with submersible motor casing is constructed. Areas of application of the technology of their lowering below the perforated interval are determined. The comparison with traditional technologies is given.

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News of the companies - founders

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R.Kh. Muslimov (Kazan State University), A.M. Yakhin, A.I. Lysenkov, M.Z. Shakirov (VNIIGIS), I.A. Yakhina (Geophysical University Ural Department of RAS)
Bottom topography, length, chamber structure of Timergazin canyon-like valley and problems of oil and gas exploration in basement

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In this article there are specified: a sublatitudinal valley bottom topography of South Tatar arch, valley length and a position of directive pallial-crustal first order fracture. The valley bottom chamber was considered as continental rift structure with fracture-block tectonics in plan. The possible contribution of the valley to hydrocarbon transit from deep formations is estimated. The Subkhankulovsky swell is specified as possible hydrocarbon deposit within the basement.

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A.I. Kirillov, F.N. Akhmatdinov, E.V. Lozin, G.G. Murzagulov, O.D. Ilemenova, S.A. Demin, I.I. Zainullin (Bashneft-Geoproekt OOO)
Estimation of the efficiency of oil displacement by water from the reservoir rocks of the middle carboniferous fields of Bashkortostan

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Laboratory research of porosity, permeability, oil displacement efficiency, residual water saturation, residual oil saturation of the core of the given reservoir rocks by direct and indirect methods are carried out. Correlation between porosity and permeability, permeability dependence of oil displacement efficiency are received. It is determined, that efficiencies of oil displacement by water from the Middle Carboniferous carbonates occupy an intermediate position within the range of parameters for carbonate rocks, including reservoir rocks of Tournaisian and Famennian stages.

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Yu.V. Endalova, I.S. Zakirov, A.I. Korabelnikov, N.N. Ivantsov (TNNC LLC)
Correct 3D geological modeling and oil-in-place estimation

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This work validates the necessity of oil-in-place estimation based on the free water level concept. It contains the proposed calculation methodology and respective results when applied to a West Siberia oilfield.

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Yu.V. Afanasjev (Samara State Technical University)
The model secondary heterogeneity formation of bed A4 of the Kuleshov field

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It is concluded, that the seam of A4 layer of Kuleshovskoye field could be formed only as a result of moveable bitumoids migration and accumulation in the trap. The mechanism of the seam formation, which includes several stages, is presented.

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K.V. Meling, F.F. Akhmadishin, A.L. Nasyrov, D.V. Maksimov (TatNIPIneft), V.K. Meling (Nauka OOO)
Isolation of lost circulation zones in sidetracks with expandable profile liner

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Tatneft Company widely uses its Expandable Profile Liner technology to mitigate drilling troubles. In 2008 severe lost circulationzones encountered while drilling a 124-mm. sidetrack from wells No. 207z and 5912z were shut off by 23-m and 60-m Expandable Profile Liners of P-146 type. The economic effect of application of trouble zone isolation technology using Expandable Profile Liners while drilling sidetracks amounted to RUR 392.8 thous. per well.

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Interview to the president of Open Company «Chisel company" Eurasia" A.N.Bogachyov
Open Company «Chisel company" Eurasia ": 5 years of successful work in oil and gas branch

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A.V. Shuvalov (Bashneft ANK OAO), F.A. Zainullina (Bashneft-Geoproekt OOO)
The practice of carbonate reservoirs fissure voidage determination at the calculation of oil reserves at the Bashneft ANK OAO fields

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Special work for fissure voidage determination with the methods of wave acoustic logging as well as studies of large format sections are carried out. Fracturing parameters of rocks of Novo-Uzybashevskoye, Malyshevskoye and Tsvetaevskoye fields are given. It is established, that the cracks in the structurally complex carbonate reservoirs are not only the filtration channels, but also the container for oil.

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R.N. Shamgunov (Surgutneftegaz OAO), A.Yu. Mosunov, M.V. Misharin (SurgutNIPIneft Tyumen branch), E.V. Kulchitskiy (Kuban State Technological University)
On the role of the skin factor at sideholes kickoff in conditions of repression and depression on a layer at Surgutneftegaz OAO fields

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The results of operation of sideholes, drilled with the depression on the layer during their kickoff, in comparable geological conditions are given. It is concluded, that the skin factor significantly affects the initial fluid flow rates in horizontal wells and sideholes virtually at all development targets of Surgutneftegaz OAO. The tendency of increasing this effect with the deterioration of reservoirs filtration properties is established. It is noted, that as a result of this the use of completion technology (without subsequent operations of killing of wells) on depression for the individual objects may be the main condition of their profitable development.

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S.M. Sokolov, V.A. Gorbatikov, M.Yu. Tarasov, I.Z. Fakhretdinov (Giprotyumenneftegaz OAO)
On the upgrading of old oil fields in Western Siberia and the integrated design of their development and construction

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The basic lines of improvement of oil field technologies and equipment as at upgrading of old oil fields and at development of new ones are considered. A scheme of the organization of separate accounting of oil recovery in well clusters is presented. The variants of gathering, treatment and utilization of an oil gas in field conditions are given.

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D. Markin (CROC company)
Oil and gas enterprises power supply

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The problems, associated with energy supply of large and medium-sized oil-production enterprises, are considered. Their solutions through the construction of local power plants directly at the fields is proposed. An operating costs estimation for power plants of 50 MW is given.

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V.A. Klimov, K.V. Valovskiy, V.M. Valovskiy (TatNIPIneft), P.V. Trusov, A.I. Shvejkin (Perm State Technical University)
Justifying diagnostic indicators of pump rod fatigue failure

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This paper discusses the results of mathematical modeling conducted to study the effect of operational loads, well servicing and well intervention on propagation of surface fractures. It has been shown, that surface fractures play the primary role in reduced serviceability of pump rods.

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A.E. Altunin, M.V. Semukhin (TNNC LLC), G.A. Kostin (Roxar)
Analysis of capabilities of the bundled software Enable for calculations of large models, using a multilevel structure of the adjustable porosity stratification factors

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The capability of adjustment of large number of parameters in the hydrodynamic models, using the bundled software Enable, is analyzed. An example of the use of multilevel structure of adjustable porosity stratification factors is given.

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N.G. Ibragimov, R.M. Gareev (Tatneft OAO), F.I. Dautov, S.A. Dolgikh (TatNIPIneft)
Results of commercially applied cathodic protection of well casings in Tatneft OAO

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This paper presents data on corrosion state of well casings and methods of its inspection applied in TATNEFT. The results of commercial application of cathodic protection technology for casing protection using external current are considered. Statistical relationship between reduction of corrosion failures and protective current intensity is determined. Installation of cathodic protection systems in TATNEFT is also discussed.

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A.Yu. Solodovnikov, A.M. Soromotin (Tyumen Branch of SurgutNIPIneft)
Natural features of the development of the licensed areas of Surgutneftegaz OAO in the Nenets Autonomous District of Arkhangelsk Region

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The stability of tundra ecosystems of the Nenets autonomous district within seven license areas of Surgutneftegaz OAO is considered. The results of ranking of tundra ecosystems by the resistance to mechanical stress are given. Data of investigations of the current background level of pollution of surface water, sea-floor sediments and soils are presented. It is concluded that the pollution of surface waters and soils can be caused not only by anthropogenic impacts, but also natural factors; pollution of sea-floor sediments does not exceed permissible levels.

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S.V. Bocharov, S.D. Solodov, A.A. Mukhamadiev, S.V. Agniev (MIRRIСO OOO), G.N. Delegevuryan (Komnedra OAO)
Application of hydrogen sulfide scavenger Asulpher™ at Komnedra OOO production sites

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The possibility of reducing the amount of hydrogen sulfide at the field facilities of Komnedra OAO with the help of hydrogen sulfide scavenger Asulpher of MIRRIKO company is considered. Results of experimental-industrial tests of the reagent are given.

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