Operation risk analysis for custody transfer of A-Du-Wu-Shan system and the PID parameter setting
You-qi chuyun, 2021 Aiming at the problems of untimely manual flow path switching under abnormal working conditions and long time required for pressure regulation through the PID control of the regulating valves of A-Du-Wu-Shan system, risk analysis was carried out for the ...
Yonggang LIN +3 more
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A comprehensive method for determining the dewaxing interval period in gas lift wells
Journal of Petroleum Exploration and Production Technology, 2023 The gas lift method is an artificial lift method of well production using the energy of compressed gas injected into the well to lift the reservoir fluid to the surface.
Van Thang Nguyen +6 more
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Applied Sciences, 2023 Chelating agents’ application for well stimulation is gaining more and more interest, as they can perform under harsh conditions. However, the mutual influence of surfactants and chelating agents on the wettability alteration of hydrophobic carbonate ...
Timur Ildarovich Yunusov +4 more
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MODELING OF TECHNOLOGY PROCESSES OF DIAGNOSTICS AND CONTROL OF NC WORKING
Известия высших учебных заведений: Нефть и газ, 2015 A problem of improvement of precision of engineering products NC working is considered. A solution is offered to solve this problem through ensuring the introducing the on-line corrections into the machines actuators path motion.
R. Yu. Nekrasov +4 more
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BLASTFURNACE SLAG-PORTLAND CEMENT PLUGGING MATERIAL FOR HIGH TEMPERATURE WELLS STRENGTHENING
Известия высших учебных заведений: Нефть и газ, 2016 The authors suggest a solution of the problem of improving the quality of oil and gas wells cementing in the high temperature intervals by using the blast-furnace wastes as granulated slags introduced in the plugging material composition.
V. P. Ovchinnikov +4 more
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Condition of bottom sediment in the area of artificial islands of the Kashagan field, Kazakhstan
Юг России: экология, развитие, 2019 Aim. The aim of the research was to determine the pollution of bottom sediment with heavy metals around artificial islands A and D, where hydrocarbon raw materials from the subsalt stratum are being extracted from island D, and where ...
K. Kenzhegaliev +4 more
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POSSIBILITIES TO EXTEND THE LIFETIME OF SCREW DOWNHOLE MOTOR ROTORS SURFACE LAYER
Известия высших учебных заведений: Нефть и газ, 2016 The article considers the methods for surface strengthening of screw downhole motors rotors. The automated line and technology for rotors surface coating application are described.
A. V. Oshibkov +5 more
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Influence of Supercritical CO2 on the Formation Sensitivity of Tight Sandstone
Frontiers in Energy Research, 2022 It is challenging to get water-based fracture fluid to flow back into low-pressure gas reservoirs. In order to solve the problem, supercritical CO2 is a novel type of non-aqueous fracturing technique with a wide range of applications prospect in low ...
Huan Peng +12 more
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EVALUATION OF THE STATE OF THE REPAIRED WELL NEAR BOTTOMHOLE ZONE BY SKIN-FACTOR
Известия высших учебных заведений: Нефть и газ, 2015 This article object of study is a bottomhole zone of exploration wells or repaired wells with positive values of skin-factor. The skin-factor is usually determined at processing of data of hydrodynamic studies of wells under unsteady-state conditions by ...
E. B. Lukash +3 more
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Evaluation of Machine Learning Assisted Phase Behavior Modelling of Surfactant–Oil–Water Systems
Applied SciencesThis paper evaluates the ability of machine learning (ML) algorithms to capture and reproduce complex multiphase behavior in surfactant–oil–water systems.
Daulet Magzymov +3 more
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