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ISSN 0132-2222 Scientific-technical journal AND COMMUNICATION IN OIL INDUSTRY published since 1973 November 2016 ą 11 12 issues per year
CONTENŇS |
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YUBILEE DATES |
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Henry Saakovich Abramov celebrates his 75th anniversary (p. 5-6) |
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MEASURING, AUTOMATION, TELEMECHANIZATION AND COMMUNICATION FACILITIES |
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INFORMATIONAL, MEASURING, EXPERT, EDUCATIONAL SYSTEMS |
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Bashlykov A.A. The basic principles of designing of information systems for intellectual decision-making support (p. 12-25) |
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Mammadova K.A. Synthesis of an intellectual system of control over a fuzzy dinamic object (p. 25-29) |
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MATHEMATICAL MODELING AND SOFTWARE |
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Information on the articles (p. 55-58) |
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Information on the articles |
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HENRY SAAKOVICH ABRAMOV CELEBRATES HIS 75TH ANNIVERSARY (p. 5)
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SOME SPECIFIC FEATURES OF METROLOGICAL CHARACTERISTICS OF CORIOLIS MASS FLOW-METERS OPERATING AS A PART OF OIL WELLS’ FLOW-RATE METERS (đ. 7)
Henry Saakovich Abramov
TC 024 "Metrological Maintenance of Hydrocarbon Production and Metering" 7a, 2nd Azinskaya str., 420088, Kazan, Repablic of Tatarstan, Russian Federation
The paper describes the possibility of using mass Coriolis flowmeters working on oil-water mixtures as a part of a separation measuring system (SMS) of oil wells’ production rates with a limited volume of free gas content in the mixture. Herewith, the volumetric gas content in the mixture does not exceed 5 %, thus corresponding to the characteristics of SMS standard separators. The variants of determination of volumetric gas content by the liquid phase’s auxiliary parameters (flow rate or density of the liquid) providing the use of the mixture’s measured parameters (flow-rate, density and water content) by means of mass flow-meter and in-line moisture meter to calculate costs, oil mass and the amount of free gas in the mixture are presented.
Key words: oil-water mixture; volumetric gas content of the mixture; mass; density and water content of the liquid phase in the mixture; separation measuring system (SMS); Coriolis mass flow-meter.
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THE BASIC PRINCIPLES OF DESIGNING OF INFORMATION SYSTEMS FOR INTELLECTUAL DECISION-MAKING SUPPORT (p. 12)
Alexander Alexandrovich Bashlykov, Cand of techn. sci., assistant professor
CJSC "VNIIST–Neftegazproekt" 57a, Scherbakovskaya str., 105187, Moscow, Russian Federation, e-mail: BashlykovAA@vngp.ru
The article describes an approach to creation of information systems for intellectual support of on-line managerial decision-making. The definitions of the stages of preparation and decision making are presented. The basic principles of the decision-making implementation processes are formulated. Definition of the decision-making objective for a well or poorly formalized subject domains of control is given. The differences in the concepts of decision-making systems and decision-making support systems are determined. The conditions of decision-making and their classification are described. The heuristic methods of the decisions automated search and the efficiency criteria of the algorithms used for decisions searching are discussed. The architecture of the means of functionally integrated complex of automation, mathematical, software and information support to be used for automation of the decisions’ choice and rationale when controlling complex objects or processes and meant for salvation of poorly formalized objectives of decision-making are considered as well.
Key words: systems of human-machine management of a complex technological object; means of intellectual support of decision-making; decision-making person; information systems for intellectual support of on-line managerial decision-making; stages of preparation and decision-making; principles of implementation of the decision-making processes; decision-making objectives; decision-making systems; decision-making support systems; terms and conditions for decision-making; heuristic methods of automation of solutions searching; algorithms efficiency criteria of decision searching; poorly formalized objectives of decision-making; architecture means of functionally integrated complex of automation; technological object of control.
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SYNTHESIS OF AN INTELLECTUAL SYSTEM OF CONTROL OVER A FUZZY DINAMIC OBJECT (p. 25)
Kifayat Aslanovna Mammadova, Cand. of techn. sci., associate professor
Mingechaur State University 21, D. Alieva str., AZ4500, Mingechaur, Republic of Azerbaijan, e-mail: ka.mamedova@yandex.ru
Using a fuzzy mathematical apparatus, the authors of the article discuss the problem of the synthesis of a fuzzy intellectual system of control over dynamic objects with a controller. On the basis of the principle of a-fuzzy logical inference "If A …, then B …" there developed an algorithm of a fuzzy intellectual control system.
Key words: fuzzy controller; linguistic variable; fuzzification; production rule; logical inference; defuzzification.
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CONSTRUCTION OF ONE DIMENSION (1D) PHYSICAL-MECHANICAL MODELS AND SOLVING OF THE PROBLEMS OF A WELLBORE AND NEAR WELLS AREA STABILITY (p. 29)
K.V. Toropetsky, leading expert, N.K. Kayurov, Head of the Department, A.N. Cheremisin, Cand. of phys.-math. sci., branch Manager, V.N. Ulyanov, Cand. of techn. sci., assistant professor, Technical Director, G.A. Borisov, Cand. of phys.-math. sci., General Director
LLC "NovosibirskNIPIneft" 20, Inzhenernaya str., 630900, Novosibirsk, Russian Federation
M.A. Lushev, Deputy Head of the Department
LLC "Gazprom geologorazvedka" 70, Hertzen str., 625000, Tyumen, Russian Federation
M.I. Samoilov, Head of the Department
LLC "RN–Expert Support Center and Technical Development" 67, Lenin str., 625000, Tyumen, Russian Federation
The article reviews some methodical aspects of construction of 1D continuous models of physical of rocks’ mechanical properties in the near well area along with as well as solutions of the problems relating to mechanical stability of wells walls a near well area using 1D models built to choose the modes of drilling and wells development.
Key words: geo-mechanical modeling; 1D geological and geo-mechanical model; model of mechanical properties; calculation of stress-deformed state; wellbore stability of a wellbore; strength criteria; equivalent circulating density; long-term stability.
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A METHOD OF A DEPOSIT GEOMETRIZATION BASED ON THE GENERALIZED CAPILLARY CURVE (p. 41)
Rashit Gasymovich Sarvaretdinov, Rasima Hambalovna Gilmanova, Almaz Aksanovich Makhmutov, Andrey Mikhailovich Tupitsyn
LLC "Neftegaztechnologia" 96/2, Revolutsionnaya str., 450078, Ufa, Republic of Bashkortostan, Russian Federation, tel.: (347) 228-18-75, ĺ-mail: npo@ngt.ru
At present, much attention is paid to improving the efficiency of oil fields development, which is largely dependent on the reliability of the reservoirs geological structure and the accuracy of geological modeling. One of the ways to increase accuracy of a deposit geological model is the use of capillary studies results to fix the oil deposits boundaries. To solve the problem, capillary analytical methods of studies results generalization as well as methods of mathematical statistics of J-function identification are applied. On the basis of J-function identification, there obtained a formula of a generalized capillary curve for B2 formation of Baytugansky field. The formula of calculation of the displacement capillary pressure (the pressure of oil filtration beginning) for various FES is derived. The sequence of a deposit’s boundaries determination like capillary barriers is shown. The method under consideration allows specifying the boundaries of an oil reservoir due to the capillary barrier occurrence preventing oil migration by the lateral to adjacent aquifer areas. The calculation is based on the construction of the generalized capillary curve, allowing to estimate the displacement capillary pressure for all the wells where porosity and permeability are defined.
Key words: well; capillary research; capillary pressure; J-function; deposits boundaries; geometrization of a deposit; porosity; permeability.
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EQUATIONS OF GAS INFLOW TO A WELL IN AN AXISYMMETRIC FORMATION DOME FOR NONLINEAR FILTRATION LAWS (p. 46)
Vladimir Alexandrovich Tolpaev, Dr. phys.-math. sci., Professor, Head of the Laboratory, Ramiz Alidzhavad Gasumov, Dr. of techn. sci., Professor, First Deputy General Director, Deputy Chairman of the Board, Kurban Sapizhullaevich Ahmedov, Cand. of techn. sci., Head of the Department, Svetlana Anatolievna Gogoleva, researcher, Musheg Tigranovich Petrosyants, researcher
JSC "SevKavNIPIgaz" 419, Lenin str., 355035, Stavropol, Russian Federation, tel.: +7 (8652) 56-30-26, 56-70-03, e-mail: TolpaevVA@scnipigaz.ru, GasumovRA@scnipigaz.ru, AhmedovKS@scnipigaz.ru, GogolevaSA@scnipigaz.ru, PetrosyancMT@scnipigaz.ru
The article presents some model of gas inflow to a well, located in an axisymmetric reservoir dome, a particular case of which is the traditional plane-radial model of filtration. The formulas to calculate a gas well’s flow-rate in an axisymmetric reservoir dome for all well-known separate cases of filtration laws, such as linear, binomial, exponential and polynomial approximations of Barry – Conway law, are derived. The limits of application of plane-radial and axisymmetric models are considered.
Key words: gas-hydrodynamic studies of wells; plane-radial model of gas inflow; axisymmetric model of gas inflow; flow rate; Darcy’s law; Forchheimer law; Barry – Conway law.
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JSC "ALL-RUSSIAN SCIENTIFIC-RESEARCH INSTITUTE OF ORGANIZATION, MANAGEMENT AND ECONOMICS OF OIL AND GAS INDUSTRY" |