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Journal articles on the topic 'Sucker-rod pumping unit'

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Published: 28 May 2022

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1

Sadov, V. B. "Simulating operation of sucker rod pumping unit." Neftyanoe khozyaystvo - Oil Industry, no. 1 (2019): 70–74. http://dx.doi.org/10.24887/0028-2448-2019-1-70-74.

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2

Manakhov, V. A., and A. N. Tsvetkov. "Determination of the state and functioning of the equipment of rod well pumping units in the operation process by the parameters of the wattmetrogram." Power engineering: research, equipment, technology 23, no. 3 (July 20, 2021): 142–54. http://dx.doi.org/10.30724/1998-9903-2021-23-3-142-154.

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TARGET. The purpose of this work is to develop a method for diagnostics of equipment of sucker rod pumping units (SRPU) during operation according to the parameters of the wattmetrogram. A wattmetering module is used as a measuring element, the developed software in the MatLab software package serves as a tool for processing vibration signals. The technical condition of the sucker rod pumping unit is analyzed by the parameters of the wattmetrogram and the amplitude spectra of the object under study, formed using the fast Fourier transform procedure in the MatLab software environment.METHODS. The wattmetering method allows you to control the sucker rod-pumping unit during its operation under voltage. This control method is highly accurate, sensitive to developing defects, and allows the use of computer technologies for signal processing and analysis.RESULTS. The wattmetering method is fully disclosed. The construction of the spectrum is considered. The relationship between the wattmetrogram and the dynamogram has been established. The removal and evaluation of experimental data from the operating sucker-rod pumping unit during its operation was carried out. A wattmetrogram and a dynamogram were built, a spectrum was also built, which showed the presence of defects in this installation.CONCLUSION. This method of wattmetering with the MatLab software allows you to monitor the technical condition of the sucker rod pumping unit according to the amplitude-frequency characteristics of the wattmetrogram parameters.
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3

Manakhov, V. A., and A. N. Tsvetkov. "Determination of the state and functioning of the equipment of rod well pumping units in the operation process by the parameters of the wattmetrogram." Power engineering: research, equipment, technology 23, no. 3 (July 20, 2021): 127–39. http://dx.doi.org/10.30724/1998-9903-2021-23-3-127-139.

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TARGET. The purpose of this work is to develop a method for diagnostics of equipment of sucker rod pumping units (SRPU) during operation according to the parameters of the wattmetrogram. A wattmetering module is used as a measuring element, the developed software in the MatLab software package serves as a tool for processing vibration signals. The technical condition of the sucker rod pumping unit is analyzed by the parameters of the wattmetrogram and the amplitude spectra of the object under study, formed using the fast Fourier transform procedure in the MatLab software environment.METHODS. The wattmetering method allows you to control the sucker rod-pumping unit during its operation under voltage. This control method is highly accurate, sensitive to developing defects, and allows the use of computer technologies for signal processing and analysis.RESULTS. The wattmetering method is fully disclosed. The construction of the spectrum is considered. The relationship between the wattmetrogram and the dynamogram has been established. The removal and evaluation of experimental data from the operating sucker-rod pumping unit during its operation was carried out. A wattmetrogram and a dynamogram were built, a spectrum was also built, which showed the presence of defects in this installation.CONCLUSION. This method of wattmetering with the MatLab software allows you to monitor the technical condition of the sucker rod pumping unit according to the amplitude-frequency characteristics of the wattmetrogram parameters.
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4

Milovzorov, Georgy, Aleksei Ilyin, and Pavel Shirobokov. "Diagnostics of the condition of sucker-rod pumping units after the analysis of dynamogram cards." MATEC Web of Conferences 298 (2019): 00137. http://dx.doi.org/10.1051/matecconf/201929800137.

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Despite of the increased share of oil wells equipped with submersible electrical centrifugal pumps, a considerable part of them is equipped and operated with sucker-rod pumping units. When operating wells with sucker-rod pumping units, different plunger pumps are used. The rod string is operated in severe environment due to long contact with highly corrosive well products and time-variant loads. Taking into account all acting loads, the diagnostics of the condition of sucker-rod pumping units is a difficult task. At the majority of oil fields in Russia, the operation of wells equipped with sucker-rod pumping units is controlled by portable and stationary dynamographs of various models. Moreover, dynamographs are used, as a rule, only to obtain images of dependence of the force on the polished piston rod upon its stroke. Based on dynamograms it is possible to find the well flow rate, pump capacity, force on the polished piston rod, etc. But one of the main problems to be solved with the help of dynamometry is the forecasting of down-hole equipment condition in the process of further operation. In this paper we overview the methods to diagnose the condition of sucker-rod pumping units based on dynamograms. The aim of the work is to develop the mathematical model to forecast the failures of down-hole pumping equipment on the results of dynamometry to automatize the control process of the unit operation. The research tasks are to analyze the existing methods for diagnosing the condition of sucker-rod pumping units, and to develop the mathematical model for forecasting the failure of the valve unit leakage. As a result, the method for forecasting the increased failure on the example of the fluid leakage in the pump injection unit is proposed. The permissible boundaries of the change in the relative force on the polished piston rod are drawn up. As a result, the failure increase is forecasted based on the frequency of the relative force on the polished piston rod getting within the interval obtained.
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5

Toma, Georgeta. "Research Concerning the Optimization of the Mechanism of the Conventional Sucker Rod Pumping Units." Revista de Chimie 70, no. 5 (June 15, 2019): 1795–99. http://dx.doi.org/10.37358/rc.19.5.7217.

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Finding optimal solutions to design the mechanism of the conventional sucker rod pumping units is always present due to many problems that involve. The study in this case involves both the cinematic and dynamic analysis of the mechanism of the conventional pumping units, making sure that the optimization solution maintain unchanged certain operating parameters of the pumping equipment such as the stroke of the sucker rod column. In the paper is presented a method of determining the optimal dimensions of the structural elements of the mechanism of the conventional pumping units in order to reduce the maximum values of the connection forces in the bearings in the conditions of maintaining unchanged the stroke of the sucker rod column. The simulations have been performed in the case of a C-640D-305-120 pumping unit.
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6

Wang, Su Ling, Nan Yang Bai, Ming Xi Feng, and Huai Yu Zhang. "Study on Rational Use of the Sucker Rod String Vibration Energy Mechanism." Advanced Materials Research 694-697 (May 2013): 325–28. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.325.

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Rational and efficient use of the sucker rod vibration energy is one of the effective ways of pumping unit energy saving. The vibration mechanics as the basis for establishing three-dimensional coupled vibration mathematical model of sucker rod-tubing-liquid column, and using difference solution to reproduce vibration process within one stroke of the sucker rod string, on this basis, analyzing the variable stiffness sucker rod string to the impact of the polished rod load and the pump stroke, and gaining reasonable parameters of the sucker rod string vibration energy, and combining with the working conditions of the sucker rod string to establish the match conditions of the sucker rod string liquid column incentive and polished rod incentive, and proposing the condition of pump to generate over-stroke to provide the theoretical basis for rational use of the sucker rod string vibration energy.
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7

Urazakov, Kamil, Veronika Molchanova, and Pavel Tugunov. "Method for calculating dynamic loads and energy consumption of a sucker rod installation with an automatic balancing system." Journal of Mining Institute 246 (January 23, 2021): 640–49. http://dx.doi.org/10.31897/pmi.2020.6.6.

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The efficiency of sucker rod pump installations, which have become widespread in mechanized lift practice, is largely determined by the balance of the drive. During the operation of sucker rod installations, the balance of loads acting on the rod string and the drive can change significantly due to changes in the dynamic fluid level, which leads to a decrease in balance and an increase in loads on the pumping equipment units. The increase and decrease in the dynamic level in accordance with the pumping and accumulation cycle occurs in wells operating in the periodic pumping mode. It is shown that during the operation of equipment in a periodic mode, fluctuations in the dynamic level and, accordingly, in the loads acting on the nodes occur. This leads to the need for dynamic adjustment of the balancing weights to ensure the balance of the pumping unit. A system for automatic balancing of the rod drive has been developed, including a balancing counterweight, an electric motor that moves the load along the balance beam, a propeller and a computing unit. To study the effectiveness of the proposed device, a complex mathematical model of the joint operation of the reservoir - well - sucker rod pump - rod string – pumping unit has been developed. It is shown that due to the dynamic adjustment of the balance counterweight position, the automatic balancing system makes it possible to significantly reduce the amplitude value of the torque on the crank shaft (in comparison with the traditional rod installation) and provide a more uniform load of the electric motor. Equalization of torque and motor load reduces the power consumption of the unit.
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8

Yi, Lu, and Tatu Leinonen. "Kinematic and Dynamic Simulation of a Dual-Beam Pumping Unit for Increasing Stroke and Reducing Force." Journal of Energy Resources Technology 126, no. 4 (December 1, 2004): 320–25. http://dx.doi.org/10.1115/1.1789524.

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Based on a conventional walking-beam pumping unit, a dual-beam pumping unit for increasing stroke and reducing force is presented, and an approach involving computer kinematic and dynamic simulation of this pumping unit is introduced in this paper. First, all three-dimensional parts are constituted and assembled to create a three-dimensional virtual mechanism of the dual-beam pumping unit for increasing stroke and reducing force. Second, all necessary joints are constituted, and all prescribed loads and input rotation are exerted onto the relative joints of the virtual mechanism. Finally, some simulation curves of the displacement, velocity, acceleration of the sucker rod, the working force exerted onto some key joints, and the driving torque of the crank from the three-dimensional virtual mechanism are obtained. The simulation results prove that the stroke of the sucker rod is 4.5-fold compared to a conventional walking-beam pumping unit, while the driving torque of the crank and all working forces exerted onto the key joints are notably reduced.
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9

Ahmedov, Beyali, Anar Hajiyev, and Vugar Mustafayev. "Estimation of the equality of the beamless sucker-rod oil pumping unit by the value of the consumption current." Nafta-Gaz 77, no. 9 (September 2021): 571–78. http://dx.doi.org/10.18668/ng.2021.09.01.

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The article presents the results of experimental studies to assess the loading and balancing of a new constructive solution of beamless sucker-rod pumping units. It is noted that the key factor that has the most significant effect on the mean time between failures (MTBF) is the right balancing of the pumping unit. The main purpose of the balancing device is the accumulation of potential energy during the downstroke and its release during the upstroke of the rod. It has been proved that the proposed additional balancing system (movable counterweight) which helps to reduce the uneven load on the electric motor and the power consumption of the pumping unit will also increase the efficiency of the beamless sucker-rod pumping unit. It was found that losses in sucker-rod pumps depend on the degree of balance of the counterweights. If the unbalance coefficient of the equipment is in the range from –5 to +5%, then the power loss due to unbalance can be ignored. In the current article, the authors propose a technique that allows to determine the energy characteristics of the electric drive of the pumping unit under conditions of a cyclically changing load and insufficient balance. It was revealed that when the balancer head passes from the upstroke to the downstroke and vice versa, there are sections with a negative value of the torque, which is explained by the influence of the inertial forces of the moving masses. This leads to shocks in the gearing of the reducer at the extreme positions of the cranks, increased wear and possibly to breakage of the teeth. Since it is not possible to completely eliminate this phenomenon, one should strive to limit the value of the negative torque by the correct balancing of the sucker-rod pump. In all cases, the change in the operating mode of a new constructive solution of beamless pumping unit requires new calculations, and requires changing the position and weights of movable and rotary counterweights (with combined balancing).
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10

Badoiu, Dorin, and Georgeta Toma. "Research Concerning the Correlations Between Some Experimental Results in the Case of a Sucker Rod Pumping Installation." Revista de Chimie 69, no. 11 (December 15, 2018): 3060–63. http://dx.doi.org/10.37358/rc.18.11.6682.

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In the paper are analyzed the correlations between the experimental results obtained for the instantaneous rotation speed of the cranks shaft of a conventional sucker rod pumping installation and the speed and the acceleration at the end of the polished rod. The correlations have been established by analyzing the kinematics of the mechanism of the sucker rod pumping unit. The experimental records have been processed with the program Total Well Management. A computer program for performing the simulations has been developed by the authors using Maple programming environment.
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11

Velichkovich, A. S. "Shock Absorber for Oil-Well Sucker-Rod Pumping Unit." Chemical and Petroleum Engineering 41, no. 9-10 (September 2005): 544–46. http://dx.doi.org/10.1007/s10556-006-0015-3.

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12

Aliyev, T. A., G. A. Guluyev, As H. Rzayev, F. H. Pashyev, and N. E. Rzayeva. "Technology for the NOISE Control of Oil Wells by Wattmeter Card of the Electric Motor of Sucker Rod Pumping Units." Mekhatronika, Avtomatizatsiya, Upravlenie 23, no. 3 (March 6, 2022): 132–45. http://dx.doi.org/10.17587/mau.23.132-145.

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The possibility of using measuring information on the power consumption (watt-metrogram) by the electric motor of a sucker rod pumping unit for diagnosing the technical condition of oil well equipment is considered. It is shown that one of the possible ways in this case can be the application of Noise technology to the processing of wattmetrogram signals.A technology is proposed for forming a set of combinations of reference and current informative attributes from the estimates of the normalized correlation functions of the useful signal of a wattmeter card; it is shown that they are equivalent to informative attributes of a dynamometer card received from a force transducer installed on the hanger of a sucker rod pumping unit. It is also shown that they equally reflect the technical condition of the well, due to which the informative attribute of the wattmeter card can be used to solve the problems of control, identification and management the oil production process with a sucker rod pumping unit. Variants of decreasing the error in the results of correlation analysis of the watt-metrogram and a variant of using the normalized correlation functions of the useful signal of the watt-metrogram for solving problems of identifying the technical state of the equipment of sucker rod pumping stations are proposed. To increase the effectiveness of monitoring systems, it is proposed to duplicate the system diagnostic function using the spectral technology for the control of the onset and dynamics of development of faults. The features of implementation in the fields are given. Possible options for using the normalized correlation functions of the useful signal of the wattmetrogram for solving the problems of identifying the technical state of wells during its operation are considered. A simplified structural diagram of the remote monitoring and control system of the sucker rod pumping unit based on the wattmetrogram signals, which has been introduced at the wells of the oil production department "Bibiheybatneft" in Azerbaijan, is presented. It is shown that the algorithms and technologies for analyzing the interference of wattmetrograms proposed in the work, in principle, can be widely used in many areas of the economy where electric motors are used.
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13

Malyar, Andriy, Andriy Andreishyn, Bohdan Kaluzhnyi, and Ihor Holovach. "Study of the Hamming Network Efficiency for the Sucker-Rod Oil Pumping Unit Status Identification." Computational Problems of Electrical Engineering 7, no. 1 (March 14, 2017): 45–50. http://dx.doi.org/10.23939/jcpee2017.01.045.

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14

Bikbulatova, G. I., A. A. Isaev, A. S. Galeev, Yu A. Boltneva, O. A. Shipilova, and T. A. Ganiev. "The results of introducing technology to remove gas from the annulus of a well by creating vacuum at the Zarechnoye field." Oil and Gas Studies, no. 3 (July 8, 2020): 100–108. http://dx.doi.org/10.31660/0445-0108-2020-3-100-108.

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The technology for pumping out and partial utilization of associated gas in oil fields by the vacuum method, using a unit for pumping gas from the annulus of the well and pumping it into the product collection system (KOGS), have been implemented at wells at the Zarechnoye field of Geotech JSC in the Republic of Tatarstan. These wells are operated by sucker rod units. The use of the KOGS unit allowed us to evaluate the effectiveness of the production system under consideration Experimental studies have shown that a decrease in annular pressure causes a significant increase in the dynamic level and an improvement in the conditions of oil inflow to the well. The operation of sucker rod units in such conditions provides an increase in the delivery and filling coefficients of the pump and, accordingly, an increase in oil production.
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15

Tagirova, K. F., A. M. Vulfin, A. R. Ramazanov, and A. A. Fatkhulov. "Improving the efficiency of operation of sucker-rod pumping unit." Neftyanoe khozyaystvo - Oil Industry, no. 7 (2017): 82–85. http://dx.doi.org/10.24887/0028-2448-2017-7-82-85.

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16

MALYAR, Andriy. "Study of stationary modes of sucker rod pumping unit operation." PRZEGLĄD ELEKTROTECHNICZNY 1, no. 12 (December 5, 2016): 257–61. http://dx.doi.org/10.15199/48.2016.12.65.

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17

Galeev, A. S., G. I. Bikbulatova, R. N. Suleymanov, O. V. Filimonov, S. L. Sabanov, and Yu A. Boltneva. "Station monitoring the state of the downhole sucker-rod pumping unit." Oil and Gas Studies, no. 4 (September 22, 2019): 82–91. http://dx.doi.org/10.31660/0445-0108-2019-4-82-91.

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18

Badoiu, Dorin, and Georgeta Toma. "Research Concerning the Identification of Some Parameters of a Sucker Rod Pumping Unit." Revista de Chimie 68, no. 10 (November 15, 2017): 2289–92. http://dx.doi.org/10.37358/rc.17.10.5872.

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One of the solutions to reduce the production and maintenance costs of the sucker rod pumping installations is to develop automated systems for regulating and controlling their operations. The development of these automated systems requires an attentive modeling of the dynamics of the mechanism of the pumping unit, process in which the identification of the values of the parameters involved in the calculations plays an essential role. The paper presents the manner of determining the values of some parameters of the mechanism of a C-320D-256-100 pumping unit starting from the variation on a cinematic cycle of the motor torque at the crank shaft. Simulations were performed with a computer program developed by the authors, and the experimental records were processed with the program Total Well Management.
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19

Sagdatullin, A. M. "POWER-EFFICIENCY ANALYSIS OF OIL WELL SYSTEMS WITH SUCKER ROD PUMPING UNITS." Oil and Gas Studies, no. 4 (August 30, 2015): 80–84. http://dx.doi.org/10.31660/0445-0108-2015-4-80-84.

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The purpose of this paper is to analyze the power efficiency of oil well systems with sucker rod pumping units. For this study a chain-drive of HRC 80-6-02 type and a similar performance drive HRC 80-6-02 balancer pumping unit were selected. Based on the analysis of the data, a conclusion was made that the power consumption for production of oil using ESP units is much higher due to a low coefficient of performance (COP) and significant losses in the submerged electric-driven pump. The analysis showed that for a half cycle of operation, i.e. per one stroke, the power consumption by a jack-pump was 15-20% higher than that of the chain drive. It is concluded that the chain drive is superior in many aspects of sucker-rod pumping units operation and may be the most effective replacement for ESP units, as well as for units with walking-beam jack pumps.
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20

Kopey, І. B. "Prospects of using the hydraulic drive of the rod well pump." Prospecting and Development of Oil and Gas Fields, no. 4(81) (December 28, 2021): 71–81. http://dx.doi.org/10.31471/1993-9973-2021-4(81)-71-81.

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The most widespread mechanized way of oil production is use of sucker rod deep pumping units. This mode of well operation is characterized by moderate costs of the equipment and its service, increase in production when developing difficult-to-recover oil reserves, increase in production of layer which is reached by decrease in critical bottom hole pressure. Installation of the sucker rod deep pump comprises the land and borehole equipment. The drive, the well head setup and control system belongs to the land equipment. For today the pump unit is used as a wire. The unit itself represents the four-link crank-and-rod mechanism converting crank rotational motion into reciprocal motion of polished rod carrier bar. The work considers the prospects of creation and implementation of the drives nonconventional designs replacing classical pumping units, namely hydraulic actuators of sucker rod deep pumps on Ukrainian oil fields. Furthermore, the possible fields of their use has been defined. The hydraulic pressure drives existing designs presented by the leading global manufactures have been analyzed via critical-comparative method. Moreover, their design features in comparison with pumping units and chain occasions have been covered, the main advantages and shortcomings have been revealed. The usage possibilities of remote and automatic control of the hydraulic pressure drive working mode have been specified. The drive allows to carry out monitoring and remote control of technological process in real time with the minimum participation of service staff. The work presents the results of the hydraulic pressure drive PSHN-80-2.5 with pneumatic equilibration pilot test on well 64-Dolyna of scientific testing ground of the Ivano-Frankivsk National Technical University of Oil and Gas which have confirmed the work capacity of all drive systems and also convenience of carrying out the installation operations.
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21

Badoiu, Dorin, and Georgeta Toma. "Analysis of the Dynamic Response of the Mechanism of Conventional Sucker rod Pumping Units." Revista de Chimie 71, no. 1 (February 7, 2020): 395–99. http://dx.doi.org/10.37358/rc.20.1.7864.

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In the kinetostatic study of the mechanism of the sucker rod pumping units, the cinematic motion parameters of the elements are considered to be known, assuming that the cranks have a constant angular velocity imposed by the operating functioning conditions of the pumping unit. The paper analyzes the dynamic response of the mechanism of these pumping units, which implies the determination of the variation of the angular acceleration of the cranks during the operating cinematic cycle. A series of results regarding the determination of the variation of the angular acceleration of the cranks during the cinematic cycle in the case of the mechanism of a C-640D-305-120 pumping unit are presented. The obtained results are checked by comparing the experimental curves of variations of the acceleration at the polished rod with those obtained by simulation using a computer program developed by the authors in which the angular acceleration of the cranks was taken into consideration.
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22

Toma, Georgeta. "RESEARCH CONCERNING THE SIMULATION OF THE OPERATION OF CONVENTIONAL SUCKER ROD PUMPING UNITS." Romanian Journal of Petroleum & Gas Technology 2(73), no. 2 (2021): 33–39. http://dx.doi.org/10.51865/jpgt.2021.02.04.

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In the paper is presented a method for obtaining the variation during a cinematic cycle of the motor torque at the crankshaft in the case of the conventional sucker rod pumping units. The calculation method has been transposed into a computer program which allows establishing the influence of different constructive and operating parameters of the pumping units on the variation of the motor torque at the crankshaft. Finally, a series of results of the simulations performed in the case of a C-640D-305-120 pumping unit are presented.
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23

Yang, Hu Kun, Gui Chuan Zhan, Yan Peng Cao, Jing Yuan Yang, and Li Feng Qin. "Simulation Study on Virtual Prototype of Pumping Well System." Advanced Materials Research 631-632 (January 2013): 996–1000. http://dx.doi.org/10.4028/www.scientific.net/amr.631-632.996.

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The virtual prototype simulation of the underground pumping system can’t realize the timing analysis with the ground pumping unit system. In order to solve this problem, the simulation analysis model of the pumped well virtual prototype was established via the multibody dynamics simulation software Adams by analyzing the working characteristic of the sucker rod string. The simulation was in accordance with the dynamic indicator diagram which verifies the correctness of the simulation analysis model of the pumped well virtual prototype and also offers a new analysis method for the underground pump dianamograph and pumping unit balance, etc.
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24

Lopatin, V. V. "Objective technical monitoring of the condition of the sucker rod pumping unit." Geo-Technical mechanics, no. 142 (2018): 155–63. http://dx.doi.org/10.15407/geotm2018.142.155.

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25

Tsvetkov, A. N., V. Yu Kornilov, A. R. Safin, A. G. Logacheva, T. I. Petrov, and N. E. Kuvshinov. "Control measuring and information system of the experimental stand." Power engineering: research, equipment, technology 22, no. 4 (November 15, 2020): 88–98. http://dx.doi.org/10.30724/1998-9903-2020-22-4-88-98.

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Modern trends in the development of technology are based on the need for experimental studies of the equipment being developed in laboratory conditions with the maximum approximation of the operating modes to real ones. Such studies are impossible without the development of specialized stands with test automation systems. Automation of processes involves the organization of measuring channels as part of a stand using analog-to-digital conversion (ADC), digital-to-analog conversion (DAC), digital-todigital conversion (DDC) and the development of a hardware-software complex (HSC) based on high-speed computing devices. As part of the project to create new high-tech equipment, the specialists of FSBEI HE “KSPEU” and JSC “ChEAZ” developed and created an experimental stand designed to verify and confirm the correctness of the selected structural and circuit solutions used in the design of a synchronous valve electric motor (SVEM) and rod control station borehole pumping unit (RC SBPU). The object of experimental research was the prototype and prototype electric drives of oil pumping units, as well as their components: SVEM and RC SBPU. The article discusses the ways of organizing the measuring and control channels of the measuring and information system of the experimental bench, which allows to study samples of synchronous valve motors and control stations of the sucker rod pump unit in the regimes that are as close as possible to real field conditions simulating the operation of the oil pumping unit of the sucker rod pump unit. Thus, in the experimental stand, analog, discrete and digital control and control channels are implemented.
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26

Wang, Dian Jun, and Xiang Zhen Yan. "Analysis of Fluid Flow in Screw Pump Based on ANSYS." Applied Mechanics and Materials 121-126 (October 2011): 3140–44. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.3140.

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In order to complete the numerical simulation on internal flow and operating characteristics of down hole multiphase pump compress unit, establishing perfect finite element model, the three-dimensional turbulent current fields inside the impellers of compression unit for down hole multiphase pumps were simulated by using ANSYS. The calculation of multiphase flow is based on the standard k-ε turbulent current model. Reference information for the improvement of the pump can be obtained by the analysis of the flow of gas-oil in the channel of pump. Based on the finite method, we analyzed several situations in a pumping period. The velocity and liquid pressure distributing of sucker rod pump is studied in this paper, which may offer some evidences for the engineering design of sucker rod pump.
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27

Sharma, Aditya, Opeyemi Bello, Catalin Teodoriu, and Hamidreza Karami. "Design and Implementation of a Laboratory Sucker Rod Pumping Unit Using Industry 4.0 Concepts." Journal of Energy and Power Technology 03, no. 02 (February 15, 2021): 1. http://dx.doi.org/10.21926/jept.2102030.

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The Industry 4.0 is here, and advanced technologies are widely available for domains such oil and gas which are traditionally slow in adopting extreme new technologies. This paper presents the design architecture and implementation of effective data acquisition (DAQ) and monitoring system applied to an experimental sucker rod pumping unit for both event occurrence and educational purpose using latest technological advancements and industry 4.0 principles. The designed framework allows control and monitoring of analog and digital sensors configured in a decentralized generation structure. This system controls the values of the sampling frequency, range of channels, the number of points to acquire and then retrieves the data acquired from the operation of a sucker rod pump setup. National Instruments LabVIEW was used for the solution architecture presented in this study data collection and diagnostic analysis. Some of the operational physical parameters analysed and monitored include pressure, fluid production rate, valve leakage, pump efficiency, vibrations and energy consumption. The proposed architecture can be built easily with very low energy consumption, high reliability, ample flexibility for quicker data retrieval and prospective future modifications.
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28

Sun, Wen, San Min Wang, and Tao Ren. "A Simple Method for Data Processing of Surface Dynamometer Card." Applied Mechanics and Materials 423-426 (September 2013): 2476–79. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.2476.

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The surface dynamometer card is considered as the primary data for a computer analysis of a sucker rod pumping well. There are many problems in the information retrieved from the surface dynamometer card involving duplicated data and reverse direction data (RDD) ,and discontinuous data of the upstroke or the downstroke , etc. This paper presents a simple method for data processing of surface dynamometer card,it is very useful for the dynamics analysis and structural optimization design of pumping unit (PU).
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29

Zyuzev, A. M., and M. V. Bubnov. "Model for Sucker-Rod Pumping Unit Operating Modes Analysis Based on SimMechanics Library." Journal of Physics: Conference Series 944 (January 2018): 012130. http://dx.doi.org/10.1088/1742-6596/944/1/012130.

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30

Toma, Georgeta. "Research Concerning the Dynamic Model of the Conventional Sucker Rod Pumping Units." Revista de Chimie 70, no. 8 (September 15, 2019): 2818–21. http://dx.doi.org/10.37358/rc.19.8.7434.

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The study of the dynamic model of the conventional sucker rod pumping units requires first determining the variation on the cinematic cycle of the synthesis parameters (the reduced moment and the reduced mass moment of inertia) and then the variation of the angular speed of the cranks, in response to the dynamic and resistant actions on the component elements that appear during operation. The paper presents the way of determining the variation on the cinematic cycle of the synthesis parameters of the dynamic model corresponding to the conventional pumping unit mechanism and of the variation of the angular speed of its cranks. The experimental records have been processed with the Total Well Management program. The simulations have been performed with a computer program developed by the author using the Maple programming environment.
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31

Vaqif Gurbanov, Safa Mustafayev, Zuleykha Eyvazova, Vaqif Gurbanov, Safa Mustafayev, Zuleykha Eyvazova. "IMPROVEMENT OF THE OPERATION PROCESS OF WATERED DEEP OIL PUMP WELLS BY APPLICATION OF POLYFUNCTIONAL MEASURES." ETM - Equipment, Technologies, Materials 07, no. 03 (June 6, 2021): 22–33. http://dx.doi.org/10.36962/etm0703202122.

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The article shows the types of complications that occur mainly in the fields of the Absheron archipelago in Azerbaijan and in the oil fields of the Azerbaijani sector of the Caspian Sea; the most common and frequent of them are the watering of the production of sucker rod pumping wells and the intensity of sand manifestations. It is noted that methods that prevent complications or reduce their negative impact are more appropriate than methods for their elimination. It is proposed to isolate formation water in flooded sucker-rod pumping oil wells using a universal hydrodynamic method; In this method, a liquid barrier should be created in front of the water in the formation, and not a solid barrier, and high-viscosity dead (non-gaseous) oil should be taken as a separating fluid, the specific gravity of which should be equal to the specific gravity of the formation water. The article uses the following five functions of multifunctional measures when carrying out various well survey methods: I. Pouring clean fluid into the annulus to increase the amount of fluid in the wellbore and reduce the concentration of sand particles in it. II. Without stopping the operation of the pumping unit, adding clean oil to the annulus with the help of a unit, raise its static level several meters higher. III. Determination of values of Pk, Po and G in rod deep well pumping wells producing viscous-plastic oil without stopping the operation of the pumping unit. IV. To determine the reservoir pressure in the simplest way, all well production is drained with a hose into the annulus. V. When removing the first lower curve by the method of two-sided restoration of curves without stopping the operation of the pumping unit VI. When applying the extraction method without changing the indicator diagrams S and n of water-cut oil wells. Thus, the use of multifunctional measures improves the performance of the considered wells and provides great economic benefits. Keywords: polyfunctional measure, irrigated well, sand manifestation, corrosion, erosion, wear, complication, pipe space, sand concentration in liquid, recovery curve.
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32

Mingulov, I. Sh, M. D. Valeev, V. V. Mukhametshin, and L. S. Kuleshova. "Wells production viscosity measurement results application for pumping equipment operation diagnostics." SOCAR Proceedings, SI2 (December 30, 2021): 152–60. http://dx.doi.org/10.5510/ogp2021si200584.

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The article is devoted to the diagnostics of the well pumping equipment operation using wells production viscosity measurement results obtained by the developed field device VNP 1-4, 0-90. The method for making measurements with a field oil viscometer was developed in accordance with the provisions of GOST R 8.563, GOST R ISO 5725-2. It has gained certification and entered the State Register of the Russian Federation. On the basis of preliminary laboratory studies of oils viscosity from the group of fields of LLC UK «Sheshmaoil», a formula was obtained for the dependence of oil emulsions viscosity on temperature and the content of formation water in them. Viscosity measurements obtained with the developed device in field conditions have shown the applicability of the method for calculating the watered oil viscosity.The application of the results of measuring the watered oil viscosity at the wellhead allows diagnosing the downhole sucker rod pump unit operation based on the construction of a dynamic model of its operation. Keywords: equipment diagnostics; water cut; temperature; fluid viscosity; dynamic model; sucker rod pump.
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33

Kovshov, V. D., M. E. Sidorov, and S. V. Svetlakova. "MODELING OF DYNAMOMETER CARDS IN QUASISTEADY OPERATION MODES OF SUCKER ROD PUMPS." Oil and Gas Studies, no. 4 (August 30, 2015): 51–56. http://dx.doi.org/10.31660/0445-0108-2015-4-51-56.

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The article presents the dependences, permitting to calculate the fluid level in the annulus of the sucker rod pump (SRP) at step changing of the beam-pumping unit actions number and to simulate the SRP dynamometer cards . It is shown that the dynamometer cards of SRP measured during normal operation and in the poor inflow conditions enable to assess the fluid level in the annulus, a maximum fluid influx into the borehole and parameters of the reservoir.
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34

Wu, Wei, Yu Zhou, and Hang Xin Wei. "A Fault Diagnosis of Suck Rod Pumping System Based on SVM." Applied Mechanics and Materials 307 (February 2013): 285–89. http://dx.doi.org/10.4028/www.scientific.net/amm.307.285.

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Aiming at the defects of fault diagnosis in the traditional method for sucker rod pump system, a new method based on support vector machine (SVM) pump fault diagnosis is proposed. Through studying the theory of invariant moment and the shape characteristics of pump indicator diagram, seven invariant moments is extracted from the indicator diagram as a pumping unit well condition of the characteristic parameters. Then these parameters are pretreatment, and it makes up seven eigenvector which are regarded as the input eigenvector of the SVM. The experiment indicates that the method can not only detect the fault of the pumping oil well but also can recognize the fault type of it, which is very effective for safety protection and fault diagnosis of the pumping oil.
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35

Badoiu, Dorin. "Research Concerning the Movement Equation of the Mechanism of the Conventional Sucker Rod Pumping Units." Revista de Chimie 70, no. 7 (August 15, 2019): 2477–80. http://dx.doi.org/10.37358/rc.19.7.7364.

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Establishing and then solving the movement equation of the mechanism of the conventional sucker rod pumping units allows determining the variation on the cinematic cycle of the angular speed of the cranks as a dynamic response to the motor and resistant actions on the component elements. The evaluation as accurate as possible of the dynamic response depends on a more precise determination of the variation on the cinematic cycle of the synthesis parameters that occur in the movement equation of the mechanism of the pumping units. In the paper is established the movement equation of the mechanism of the conventional pumping units and are presented a series of results regarding the variation on the cinematic cycle of some synthesis parameters in the case of the mechanism of a C-640D-305-120 pumping unit. Experimental records have been processed with the Total Well Management program and the simulations have been performed with a computer program developed by the author using the Maple programming environment.
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36

Bin, Zhang, Gao Xianwen, and Li Xiangyu. "Complete Simulation and Fault Diagnosis of Sucker-Rod Pumping (includes associated comment)." SPE Production & Operations 36, no. 02 (January 22, 2021): 277–90. http://dx.doi.org/10.2118/204215-pa.

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Summary In this paper, we study the simulation and fault diagnosis of a conventional pumping unit under balanced conditions. As the energy input of sucker-rod pumping (SRP), the motor power contains abundant information about the whole pumping cycle under SRP. It is an important step in oilfield information construction to establish a computer-aided system that is based on motor power diagnosis. Hence, we propose an SRP simulation model for generating motor power. By analyzing the working conditions of six oil wells that contain normal or insufficient liquid supply, gas lock, traveling valve leakage, standing valve leakage, and parting rod, we simulate the motor power of the six wells. In addition, we verify the simulation model using a test well with favorable performance and establish the motor power template set (MPTS) using this simulation model. To allow for computer-aided diagnosis, we propose the use of the area proportion method to extract motor power features. We establish a diagnosis model of oilwell conditions that is based on oblique decision tree and train the diagnosis model using the MPTS. Through the verification of six oil wells in the actual production of the oil field, the diagnosis model shows a favorable response. The test results show that the methods of establishing MPTS and oilwell working-condition diagnosis are feasible.
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37

Kopeу, B. V., V. V. Myhailuk, and B. M. Bakun. "Research of carbon fiber plastic rod connections with steel heads at the action of bending loads." Oil and Gas Power Engineering, no. 2(36) (December 29, 2021): 68–79. http://dx.doi.org/10.31471/1993-9868-2021-2(36)-68-79.

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To increase the efficiency of the use of a sucker rod pumping unit (SRPU) today the columns of sucker rods of fiberglass and carbon fiber are used. Such polymer composites have a number of advantages over steel, but they have a significant drawback in the design of a sucker rod - a high concentration of stresses at the point where theyare connected to a steel head containing a thread. Many constructive solutions to this problem have been developed, but maintaining the connection of a fiberglass or carbon-plastic barrel with a metal head remains quite a challenge. As practice shows, the bending of the pump rods in the well are also subjected to bending loads, torque, friction to the column of tubing (tubing) and the like. Therefore, a comparative analysis of the parts of the pump rod structures: traditional steel and combined (metal tip with composite rod) should be carried out. In this work, such joints were subjected only to bending loads, which are particularly dangerous when passing through a rod of bent sections of a well and when running down the bar. It is established that at the time of bending the maximum normal stresses are distributed along the length of the pump rod unevenly and are concentrated in the transition between the head and the rod. The maximum normal stresses occurring in the transition between the steel tip and the carbon-plastic core, which are jointed without structural features (galtels, different transitions, etc.), have been determined to be greater than 1600 MPa. Such value of stress is undesirable when cycling the connection in well. For example, the design of a metal head was proposed, which allows reducing the stresses arising from bending and distribute them on the connection more evenly, compared to the traditional sucker rod.
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38

Badoiu, Dorin. "Research Concerning the Use of Polynomial Functions in the Study of the Conventional Sucker Rod Pumping Units." Revista de Chimie 70, no. 4 (May 15, 2019): 1223–27. http://dx.doi.org/10.37358/rc.19.4.7096.

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The analysis of the conventional sucker rod pumping units and especially their dynamics is laborious and requires a large amount of calculations due to the constructive complexity of the component structural elements. Therefore, expressing in a simplified but sufficiently precise form the various cinematic and dynamic parameters that characterize the proper functioning of the pumping units is extremely useful in analyzing the possibilities of their functional optimization. In the paper are presented a series of results concerning the expressing of some cinematic and dynamic parameters using polynomial functions in the case of the mechanism of a C-640D-305-120 pumping unit. The simulations have been performed with a computer program developed by the author using Maple programming environment. Experimental records processing was performed with the program Total Well Management.
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39

Carpenter, Chris. "Analytic Solutions Help Predict Sucker-Rod-Pump Failure." Journal of Petroleum Technology 74, no. 03 (March 1, 2022): 62–64. http://dx.doi.org/10.2118/0322-0062-jpt.

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This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 200825, “Failure Prediction for SRP Using Analytic Solutions,” by Viorica Sirghii, SPE, Rudolf Konrad Fruhwirth, and Herbert Hofstaetter, University of Leoben, et al. The paper has not been peer reviewed. A method for prediction of sucker-rod-pump (SRP) failure based on improved, completely connected perceptron (ICCP) artificial neural networks (ANNs) is presented. Results are compared with historical wellbore data. The validity of the ANN model is proved to meet SRP failure prediction with a ±5% error, helping identify and prevent potential damage, reduce costs and risks, and optimize production. SRP Diagnosis To evaluate the performance of SRPs, dynamometer cards are used. The load on the top rod is measured and plotted in relation to the polished rod position as the pumping unit moves through each stroke cycle. The result is a surface card that illustrates the polished rod load vs. position (downhole diagnostics). To determine above-pump liquid accumulation, pump-filling efficiency, and displacement, the well’s producing and lifting efficiencies can be analyzed and quantified. Depending on the results, operational and equipment changes can be made to improve efficiency and production optimization. How the plunger picks up, holds, and releases the fluid load at each stroke can be seen in a dynamometer card’s shape. The most-common and most-harmful pump states are fluid pound, gas interference, and tagging. When the pump is not completely full, the rod string is damaged because of an excessive number of strokes.
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40

Bello, O., E. P. Dolberg, C. Teodoriu, H. Karami, and D. Devegowdva. "Transformation of academic teaching and research: Development of a highly automated experimental sucker rod pumping unit." Journal of Petroleum Science and Engineering 190 (July 2020): 107087. http://dx.doi.org/10.1016/j.petrol.2020.107087.

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41

Tsvetkov, A. N., V. Yu Kornilov, A. R. Safin, N. E. Kuvshinov, T. I. Petrov, and R. R. Gibadullin. "Development of a stand for researching electric drives of pumping units." Vestnik MGTU 23, no. 4 (December 30, 2020): 364–75. http://dx.doi.org/10.21443/1560-9278-2020-23-4-364-375.

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In the modern oil industry, the vast majority of oil production units are represented by sucker rod pumping units, driven mainly by asynchronous electric motors without using any monitoring, control and regulation means. Studies carried out on such installations show their low energy efficiency and reliability. Therefore, the issue of developing complex electric drives of a new generation based on the use of synchronous valve electric motors is relevant allowing to significantly increase the energy efficiency and reliability of both individual installations and to ensure the creation of "smart" oil field control systems. The paper discusses new technical solutions of the experimental stand which makes it possible to study the energy characteristics of electric drives based on asynchronous and synchronous valve electric motors, as well as allowing to create conditions as close as possible to real field conditions with imitation of the operation of an oil pumping unit of a sucker rod pumping unit. In modern test equipment systems, devices are often used to create a mechanical load on the shaft of the electric motor under study. The system proposed and implemented as such a device is "a frequency converter - load asynchronous electric motor", which has been tested on a stand and has proven to be the best in comparison with traditional circuits using DC motors. But using of a load asynchronous electric motor as part of the test stand has revealed a number of disadvantages: overheating of the electric motor operating in the opposing mode, low accuracy of creating the load torque and the speed of the system's response. The problem of overheating of the load electric motor has been solved by transferring the frequency converter to the direct torque control mode, while a significant decrease in the motor current and stabilization of the temperature regime have been detected. The low accuracy and response speed of the system have been increased by introducing feedback and a PID controller into the stand control system.
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42

Genin, Valeriy S., Lidia N. Vasileva, Nadezhda N. Ivanova, Elmira M. Artykaeva, and Tatiana V. Dmitrieva. "AUTOMATION OF CONTROL OF ROOM DEEP OIL PUMP USINGTRACE MODE SCADA SYSTEMS." Vestnik Chuvashskogo universiteta, no. 1 (March 30, 2022): 53–64. http://dx.doi.org/10.47026/1810-1909-2022-1-53-64.

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The issues of automation of technological processes are relevant for all industries. The article discusses the issues of automating the control of the operation of oil pumping units widely used in oil production using the TRACE MODE SCADA system from AdAstrA Research Group. To control the operation of a sucker rod pump of an oil pumping unit, the use of dynamometers is widespread in world practice. Technically, it is easier to carry out a more generalized control of the operation of an oil pumping unit using a wattmetergram, which displays the dependence of the active power consumed by the drive on time or the position of the polished rod. The results of power measurements are transmitted via communication channels to the computer of the SCADA system. Further, preliminary processing of the results of the control of the wattmeter diagram and the calculation of parameters characterizing the operation of the oil pumping unit are performed. At the stage of data preprocessing, noise filtering is performed using TRACE MODE tools that provide data exchange with MS Excel, MS Access, MS Visual Basic packages. The use of moving average, median filtering, and B-splines methods for this is considered. It is shown that cubic B-splines are an effective method of analytical description and graphical representation of experimental data, reducing the total mean square of the error. The use of splines in comparison with the polynomial approximation gives a slightly better approximation. The results of filtering and calculations by means of the SCADA system are displayed on the dispatcher’s monitor, archived, documented, etc. Thus, the related software products SCADA TRACE MODE and MS allow you to effectively implement complex data processing algorithms.
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43

Huang, Zhi Qiang, Ya Chao Ma, Qin Li, Li Yan Liu, Cheng Song Qiu, Pu Chun Zhao, Yong Hong Jin, and Hua Qiang Chen. "Study for Optimization of Pump Setting Depth in Tahe Heavy Oil Field." Advanced Materials Research 487 (March 2012): 864–68. http://dx.doi.org/10.4028/www.scientific.net/amr.487.864.

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At present, the pump setting depth of machine wells in Tahe Oilfield is universally too deep as the reservoir is buried deep, viscosity of heavy oil is high, and the producing energy weakened. This will increase the input of sucker rod, oil tube material and lead to enlarge suspension point load of pumping unit mule head and energy consumption. According to the problems, on the basis of the regularity of distribution of wellbore pressure field, viscosity field, temperature field, this paper puts forward a new matching lifting technology: moving down the point of blending and picking up the pump setting depth. Moving down the point of blending can reduce the producing energy loss and enforce the crude oil’s fluidity in the wellbore ,and picking up the pump depth can reduce the cost and energy consumption, Field test shows that after the new type matching lifting technology implement, test wells are normal in operation. The pump setting depth is partly picked up and pumping unit load decreases. The single well saves thin oil by more than 10%.
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44

Aliev, F. A., M. A. Dzhamalbekov, N. A. Veliev, I. R. Gasanov, and N. A. Alizade. "Computer Simulation of Crude Oil Extraction Using a Sucker Rod Pumping Unit in the Oil Well–Resevoir System." International Applied Mechanics 55, no. 3 (May 2019): 332–41. http://dx.doi.org/10.1007/s10778-019-00959-x.

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45

Rakhmatulina, Ayaulym, Nurbibi Imanbayeva, Sayat Ibrayev, Assemgul Uderbayeva, and Aiman Nurmaganbetova. "Analytical solution of the problem of dynamic synthesis of a six-link straight-line converting mechanism of the sucker-rod pumping drive." Eastern-European Journal of Enterprise Technologies 6, no. 7 (114) (December 21, 2021): 21–28. http://dx.doi.org/10.15587/1729-4061.2021.245591.

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The paper presents an analytical solution to the problem of optimal dynamic balancing of the six-link converting mechanism of the sucker-rod pumping unit. This problem is solved numerically using a computer model of dynamics, namely by selecting the value of the correction factor k. Here we will consider an analytical method for solving this problem, that is, we find the location of the counterweight on the third link of the six-link converting mechanism for balancing. To solve the problem, we use the principle of possible displacement and write an equation where we express the torque through the unknown parameter of the counterweight. Further, such a value of the unknown parameter is found, at which the minimum of the root-mean-square value of torque M is reached. From the condition of the minimum of the function, we obtain an equation for determining the location of the counterweight. Thus, we obtain an analytical solution to the problem of optimal dynamic balancing of the six-link converting mechanism of the sucker-rod pumping drive in various settings. According to the results, it was found that with the combined balancing method, the value of the maximum torque M and the value of the maximum power are reduced by 20 % than when the counterweight is placed on the third link of the converting mechanism, as well as when the value of the maximum torque is determined through the correction factor k. In practice, balancing is carried out empirically by comparing two peaks of torque M on the crank shaft per cycle of the mechanism movement. Solving the analytical problem, we determine the exact location of the counterweight.
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46

Sabanov, S. L., and L. B. Khuzina. "Control of balancing of a low-speed drive of a downhole sucker-rod pumping unit (DSRP) by a dynamogram." Construction of Oil and Gas Wells on Land and Sea, no. 11 (2019): 39–42. http://dx.doi.org/10.30713/0130-3872-2019-11-39-42.

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47

Li, Kun, Xianwen Gao, Zhongda Tian, and Zhixue Qiu. "Using the curve moment and the PSO-SVM method to diagnose downhole conditions of a sucker rod pumping unit." Petroleum Science 10, no. 1 (February 7, 2013): 73–80. http://dx.doi.org/10.1007/s12182-013-0252-y.

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48

Galeev, A. S., S. L. Sabanov, Rais N. Suleymanov, O. V. Filimonov, T. A. Utemisov, and Zh K. Zhanturin. "Express-diagnostics of rods’ parting-twist off at wells equipped with sucker rod pump." Kazakhstan journal for oil & gas industry 4, no. 1 (May 16, 2022): 107–13. http://dx.doi.org/10.54859/kjogi105588.

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The development of fields that are at a late or final stage of operation is carried out mainly with the use of downhole sucker rod pumps. The most characteristic failures for these installations are rods parting-twist off and malfunctions of pump valves. The methods of eliminating these accidents vary significantly the parting or twist off of the rods involves lifting of the downhole equipment, and the "sticking" of the shut-off valve assembly of the pump is eliminated by "resuscitation" of the downhole equipment (flushing with water, hot oil or solvent). An error in fault identification leads to incorrect planning of work to restore the operability of the downhole equipment and, as a result, to economic losses. The cause of malfunctions of the downhole equipment of downhole rod pumping units, as a rule, is determined by analyzing dynamograms. However, in many cases dynamograms do not allow to distinguish the lower twist off of the rods from the malfunction of the valves of the rod pump. In the presented work, a method for the operational determination of the parting or twist off of rods in the well is considered, which consists in creating an electrical circuit "rod string tubing string" and monitoring its integrity. To determine the type of malfunction, the synchronization unit measures the resistance of the system on the dielectric insert via the electromagnetic channel. In case of parting or twist off of the rods, the electrical resistance of the "tubing-pump-rod string" circuit will be much higher (more than 2 ohms) than in the absence of this failure (0...2 ohms).
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49

Dubey, O. Ya. "DETERMINATION OF THE INPUT PARAMETERS OF THE WORK-STREAM OF THE OIL-GAS EJETOR USED SIMULTANEOUSLY WITH THE SUCKER-ROD PUMP." Prospecting and Development of Oil and Gas Fields, no. 1(70) (March 29, 2019): 60–69. http://dx.doi.org/10.31471/1993-9973-2019-1(70)-60-69.

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In order to calculate the working mode of a sucker-rod pump driven by the beam pumping unit and a jet pump during their simultaneous operation, pressure and temperature distribution along the wellbore from the bottom to the wellhead is determined for the real oil well 753-D "Dolynanaftogaz" Field Office. To calculate these parameters an improved methodology based on known Poettmann-Carpenter and Baxendel methods is used. As a result, the imperfection of these methods was eliminated, namely the assumption that pressure and temperature behavior along the wellbore is linear. This led to obtaining results which are up to 23% more accurate. In addition, using the algorithm for determining the density of perfect (ideal) liquid-gas mixture, the author has calculated the velocities of gas-water-oil and water-oil mixtures for a number of sections along the production tubing at different angles of the crank position in the beam pumping unit. The indicated values make it possible to determine the depth of the oilgas jet pump location in the well, and, consequently, the parameters at its input (pressure, temperature, velocity of the liquid-gas mixture, its density, etc.). Besides, the author studies the dependence which describes the behavior of the liquid-gas mixture density along the wellbore, as well as the relations between the density of the free oil gas, thevolumetric consumption gas content of the flow and the placement of the section under consideration. All of the above-mentioned algorithms were implemented using developed computer programs. The obtained results give a possibility to choose the location of the jet pump in the well which is the most advantageous one for ensuring maximum pressure reduction and the decrease in the stem load.
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50

Aliev, Telman Abbas ogly, Naila Fuad kyzy Musaeva, and Matanat Tair kyzy Suleymanova. "Density Function of Noise Distribution as an Indicator for Identifying the Degree of Fault Growth in Sucker Rod Pumping Unit (SRPU)." Journal of Automation and Information Sciences 49, no. 4 (2017): 1–11. http://dx.doi.org/10.1615/jautomatinfscien.v49.i4.10.

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