Results 1 to 10 of about 214,811 (140)

Oil and Gas [PDF]

open access: yesAfrica Research Bulletin: Economic, Financial and Technical Series, 2022
Abstract This chapter reviews the International Political Economy (IPE) scholarship in energy over the last few decades. It shows that there is a deep divide between two dominant schools of thought in IPE energy research: the liberal school and the realist school.
Goldthau, Andreas, Sitter, Nick
  +7 more sources

Operation risk analysis for custody transfer of A-Du-Wu-Shan system and the PID parameter setting

open access: yesYou-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
doaj   +1 more source

A comprehensive method for determining the dewaxing interval period in gas lift wells

open access: yesJournal 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
doaj   +1 more source

Study of Wettability Alteration of Hydrophobic Carbonate Rock by Surfactant-Containing Chelating Agent Solutions

open access: yesApplied 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
doaj   +1 more source

High-Efficiency Catalytic Oxidation Technology for Tight-Gas Flash Gas Based on High-Activity Catalysts and an Integrated Reactor [PDF]

open access: yesE3S Web of Conferences
The exhaust gas emitted from atmospheric flash tanks in tight gas fields contains large quantities of volatile organic compounds (VOCs) and methane, causing atmospheric pollution.
Luyue Yang   +4 more
doaj   +1 more source

BLASTFURNACE SLAG-PORTLAND CEMENT PLUGGING MATERIAL FOR HIGH TEMPERATURE WELLS STRENGTHENING

open access: yesИзвестия 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
doaj   +1 more source

MODELING OF TECHNOLOGY PROCESSES OF DIAGNOSTICS AND CONTROL OF NC WORKING

open access: yesИзвестия 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
doaj   +1 more source

Condition of bottom sediment in the area of artificial islands  of the Kashagan field, Kazakhstan

open access: yesЮг 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
doaj   +1 more source

POSSIBILITIES TO EXTEND THE LIFETIME OF SCREW DOWNHOLE MOTOR ROTORS SURFACE LAYER

open access: yesИзвестия 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
doaj   +1 more source

Evaluation of Machine Learning Assisted Phase Behavior Modelling of Surfactant–Oil–Water Systems

open access: yesApplied Sciences
This 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
doaj   +1 more source

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