scholarly journals Research of current distribution by phases in asynchronous electric motor with a combined winding

2022 ◽  
Vol 23 (5) ◽  
pp. 56-70
Author(s):  
E. I. Gracheva ◽  
T. V. Tabachnikova ◽  
L. V. Shvetskova
Keyword(s):  
Power Supply ◽  
Electric Motor ◽  
Oil And Gas ◽  
Electricity Consumption ◽  
Voltage Regulation ◽  
Gas Production ◽  
Oil And Gas Production ◽  
Power Bus ◽  
Wide Range ◽  
Production Complex

THE PURPOSE. To consider the features of power supply system of oil and gas production complex, variety of layout of electrical complexes of producing wells. To develop a universal methodology for determining optimal voltage value in power supply center, that is, on substation power bus.METHODS. When calculating voltage in power supply center, which provides a certain amount of voltage on stator of most remote electric motor, method of equalizing potentials in nodes of outgoing line was used when calculating loads of elements of electrical complexes of producing wells. The development of a methodology for calculating optimal voltage of power supply center was carried out using the method of cognition, which was called ascent from simple to complex. The search for optimal voltage value of power supply center must be carried out by numerical methods with involvement of a software product that allows use of search algorithms.RESULTS. The article proposes a method for calculating optimal voltage of power supply center of outgoing line of an oil and gas producing enterprise. The developed technique can be applied under a wide range of energy optimization criteria and for any configuration of outgoing line circuit, takes into account technological features of the process of mechanized oil production and ensures a reduction in electricity consumption.CONCLUSION. The calculation method considered in article makes it possible to develop an optimal list of organizational and technical measures for voltage regulation in distribution network in order to reduce power consumption.

scholarly journals Plastics recycling: challenges and opportunities

2009 ◽  
Vol 364 (1526) ◽  
pp. 2115-2126 ◽  
Author(s):  
Jefferson Hopewell ◽  
Robert Dvorak ◽  
Edward Kosior
Keyword(s):  
Carbon Dioxide Emissions ◽  
Oil And Gas ◽  
Renewable Resource ◽  
Gas Production ◽  
Rapid Expansion ◽  
Natural Habitats ◽  
Oil And Gas Production ◽  
Wide Range ◽  
Challenges And Opportunities ◽  
Product Reuse

Plastics are inexpensive, lightweight and durable materials, which can readily be moulded into a variety of products that find use in a wide range of applications. As a consequence, the production of plastics has increased markedly over the last 60 years. However, current levels of their usage and disposal generate several environmental problems. Around 4 per cent of world oil and gas production, a non-renewable resource, is used as feedstock for plastics and a further 3–4% is expended to provide energy for their manufacture. A major portion of plastic produced each year is used to make disposable items of packaging or other short-lived products that are discarded within a year of manufacture. These two observations alone indicate that our current use of plastics is not sustainable. In addition, because of the durability of the polymers involved, substantial quantities of discarded end-of-life plastics are accumulating as debris in landfills and in natural habitats worldwide. Recycling is one of the most important actions currently available to reduce these impacts and represents one of the most dynamic areas in the plastics industry today. Recycling provides opportunities to reduce oil usage, carbon dioxide emissions and the quantities of waste requiring disposal. Here, we briefly set recycling into context against other waste-reduction strategies, namely reduction in material use through downgauging or product reuse, the use of alternative biodegradable materials and energy recovery as fuel. While plastics have been recycled since the 1970s, the quantities that are recycled vary geographically, according to plastic type and application. Recycling of packaging materials has seen rapid expansion over the last decades in a number of countries. Advances in technologies and systems for the collection, sorting and reprocessing of recyclable plastics are creating new opportunities for recycling, and with the combined actions of the public, industry and governments it may be possible to divert the majority of plastic waste from landfills to recycling over the next decades.

Gas Turbines or Electric Drives in Offshore Applications

2005 ◽  
Author(s):  
Rainer Kurz ◽  
Cynthia Sheya
Keyword(s):  
Power Generation ◽  
Electric Motor ◽  
Gas Turbines ◽  
Oil And Gas ◽  
Gas Production ◽  
Oil And Gas Production ◽  
Generation Plant ◽  
Power Generation Plant ◽  
Offshore Oil And Gas ◽  
Optimum Solution

Offshore oil and gas production requires both electric and mechanical power for various applications. Traditionally, gas turbines have been the driver of choice for both the power generation, compression and larger pump applications. Today, an alternate approach of electric motor drivers is sometimes considered for pump and compressor drivers. In this case, the power for the electric motor and utility power is supplied by larger gas turbines used as a central power generation plant. This is sometimes referred to as the “All Electric” solution. There are several important factors to be evaluated when considering options and selecting the optimum solution for this type of application. Based on general assumptions on the parameters and characteristics of possible solutions, decision criteria are derived and the sensitivity of the results relative to varying assumptions is determined.

scholarly journals The Assessment of the Impact of Sanctions on Russia for Oil & Gas Industry and Defence Industry Complex of Russia

2019 ◽  
Vol 12 (3) ◽  
pp. 46-57 ◽  
Author(s):  
S. V. Kazantsev
Keyword(s):  
Oil And Gas ◽  
Negative Impact ◽  
Financial Economic ◽  
Gas Production ◽  
Gas Industry ◽  
Oil And Gas Production ◽  
Foreign Earnings ◽  
Defence Industry ◽  
Wide Range ◽  
The Impact

The article presents the results of the author’s research of the impact of a wide range of restrictions and prohibitions applied to theRussian Federation, used by a number of countries for their geopolitical purposes and as a means of competition. The object of study was the impact of anti-Russian sanctions on the development of Oil & Gas industry and defence industry complex ofRussiain 2014–2016. The purpose of the analysis was to assess the impact of sanctions on the volume of oil and gas production, the dynamics of foreign earnings from the export of oil and gas, and of foreign earnings from the sale abroad of military and civilian products of the Russian defence industry complex (DIC). As the research method, the author used the economic analysis of the time series of statistical data presented in open statistics and literature. The author showed that some countries use the anti-Russian sanctions as a means of political, financial, economic, scientific, and technological struggle with the leadership ofRussiaand Russian economic entities. It is noteworthy that their introduction in 2014 coincided with the readiness of theUSto export gas and oil, which required a niche in the international energy market. The imposed sanctions have affected the volume of oil production inRussia, which was one of the factors of reduction of foreign earnings from the country’s oil and gas exports. However, the Russian defence industry complex has relatively well experienced the negative impact of sanctions and other non-market instruments of competition

scholarly journals MODELING THE DECENTRALIZED POWER SUPPLY SYSTEM OF AN OIL AND GAS PRODUCTION ENTERPRISE

2020 ◽  
Vol 8 (3) ◽  
pp. 051-058
Author(s):  
G. A. Koshchuk ◽  
◽  
B. A. Kosarev ◽  
A. A. Okhotnikov, ◽  
V. K. Fedorov ◽  
...  
Keyword(s):  
Power Supply ◽  
Power Supply System ◽  
Oil And Gas ◽  
Gas Production ◽  
Supply System ◽  
Oil And Gas Production ◽  
Decentralized Power Supply

В связи с интенсивным развитием децентрализованных систем электроснабжения в районах добычи нефти и газа следует ожидать появления активных потребителей, использующих для поставок электроэнергии во внешнюю сеть газотурбинные установки. При этом возникает необходимость оценить влияние активного потребителя на режимные параметры электросистем нефтегазоперерабатывающих предприятий. Целью работы является оценить возмущение режима функционирования электросистемы нефтегазоперерабатывающего предприятия при подключении активного потребителя. Цель достигается решением следующих задач: разработкой компьютерной модели электрических систем нефтегазоперерабатывающего предприятия и активного потребителя, моделированием изменений режимных параметров системы электроснабжения нефтегазоперерабатывающего предприятия при подключении активного потребителя. Переходные процессы исследуются методами имитационного компьютерного моделирования. Результаты моделирования показывают при включении методом точной синхронизации генератора активного потребителя на параллельную работу с электросистемой нефтегазоперерабатывающего предприятия нормальный переходный режим в течение 4 секунд...

Renewable Power Supply Option for Smart Fields Implementation in Oil and Gas Production Installations in the Niger Delta

2012 ◽  
Author(s):  
Francis Idachaba ◽  
Godwin Okuns ◽  
Fasasi Oluwatoyin ◽  
Tokoni Amiesimaka ◽  
M. Brennan ◽  
...  
Keyword(s):  
Power Supply ◽  
Niger Delta ◽  
Oil And Gas ◽  
Gas Production ◽  
Oil And Gas Production ◽  
Renewable Power

New Spar Design for Floating Offshore Wind Turbine With Damping Plates

2019 ◽  
Author(s):  
Shigesuke Ishida ◽  
Yasutaka Imai
Keyword(s):  
Wind Turbine ◽  
Oil And Gas ◽  
Gas Production ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Ballast Tank ◽  
Pitching Motion ◽  
Oil And Gas Production ◽  
Wide Range ◽  
Truss Spar

Abstract Spar is one of the promising floating structures which support wind turbine at sea. In general, some lower part of spar is used as a ballast tank. It is possible to replace this part with other shapes without water-tightness because this part does not contribute to buoyancy nor stability to support the weight or heeling moment of wind turbine. In the field of oil and gas production, truss spar has been developed with this concept and the lower part consists of heave plates. However, for wind turbine, pitching motion is more important than heaving. The authors changed this part to four vertical damping plates to reduce this motion. The effect of the central gap and holes in the damping plates were investigated because these parameters have effects on flow separation and hydrodynamic forces. The motions in waves of the new spars were compared with a classic spar of the same dimensions and stability. The proposed vertical damping plates, with central gap or holes, work to reduce the pitching motion in wide range of wave frequency. Considering the expected cost reduction and some motion reduction, the promising nature of the proposed spar revealed.

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