Oil well electrical heating facility utilizing heating cable powered by autonomous wind-driven power unit

Belsky, A. A.; Dobush, V. S.

doi:10.1109/dynamics.2016.7818979

Cited by 11 publications

(5 citation statements)

References 3 publications

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“…Transmission lines (TLs) convey power from the RFG to feed-points of antennas [35]. The transmission process becomes a primary source for power degradation due to impedance mismatches, radiation, and heat losses [36], [37]. Guided waves travelling along a TL reflect due to impedance variation in the transmission path.…”

Section: Introductionmentioning

confidence: 99%

Waveguide Analysis of Radiofrequency Transmission in Well Tubulars for Electromagnetic Heating of Heavy Oil

2023

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This paper presents the numerical modelling and simulation of a 2D vertical well tubular model excited by a coaxial radiofrequency transmission line placed in its annular space for the purpose of downhole RF energy transmission. The study identifies the mechanism of energy losses due to coupling between the transmission line and steel tubing and casing using resonance mode analysis. The design of a left-handed artificial power line is proposed to minimize the losses due to the right-handed properties of the coaxial transmission line. The design utilizes ideal lumped element method to determine the left-handedness of the right-handed coaxial transmission line over the industrial heating radio-frequency band. The model is developed and simulated using COMSOL multi-physics commercial simulation software. The effect of transmission line position within the annular space on the tangential magnetic field and resulting power losses along the tubing is discussed. It is observed that the resulting artificial power line improves RF power transmission over 60 m depths of the vertical oil well within the industrial heating radiofrequency band.

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Section: Introductionmentioning

confidence: 99%

Waveguide Analysis of Radiofrequency Transmission in Well Tubulars for Electromagnetic Heating of Heavy Oil

2023

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“…First of all, it is suitable for objects located in remote areas. Recently, due to a decrease in the reliability of external power supply and a constant increase in electricity tariffs, the transfer to autonomous power supply has become a priority in the electric power industry of oil and gas and other industries [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

“…Voltages Uj (j=1,S) and frequencies fj (j =1,S) on the stator windings of these motors must be regulated during the process, so they receive power from static frequency converters FCj (j=1,S). For the second group of consumers, industrial frequency electricity is needed, so they are connected directly to a common AC bus [1,2,[6][7][8]. The effectiveness of the use of such complexes will depend on many factors and, accordingly, to assess it, an integrated approach is needed that would take into account:…”

Section: Introductionmentioning

confidence: 99%

Monitoring the technical condition of autonomous electrical systems with electric drive

Korolev

Соловьев

2019

E3S Web Conf.

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The article discusses the structure of autonomous electrical systems with an electric drive and an electric energy generation system. An approach is described for assessing the overall efficiency of technological cycle equipment with specification of parameters that must be considered when calculating it. The necessity of taking into account energy efficiency and operability indicators of autonomous electric complexes is substantiated. The effectiveness of the use of autonomous systems decreases throughout the entire life cycle due to wear and tear. As the operability of electromechanical equipment, an indicator of the residual resource is selected. The calculation of the residual resource, with the definition of its boundary values and recommendations for further use. Nominal energy efficiency parameters of autonomous electrotechnical complexes with electric drive deteriorate during operation, which also needs to be taken into account. To simplify the assessment of the operational state of electromechanical equipment, a state diagram is presented that allows you to track the dynamics of degradation of individual nodes. Taking into account the described indicators and means of control, it is possible to increase the efficiency of using autonomous complexes.

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“…Thus the wellbore is heated periodically. Such an operating mode is acceptable and is also used when the facility is supplied by a centralized power system [6,7].…”

Section: Autonomous Electrothermal Facilitymentioning

confidence: 99%

Autonomous Electrothermal Facility for Oil Recovery Intensification Fed by Wind Driven Power Unit

Belsky

Dobush

2017

IOP Conf. Ser.: Earth Environ. Sci.

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Oil well electrical heating facility utilizing heating cable powered by autonomous wind-driven power unit

Cited by 11 publications

References 3 publications

Waveguide Analysis of Radiofrequency Transmission in Well Tubulars for Electromagnetic Heating of Heavy Oil

Waveguide Analysis of Radiofrequency Transmission in Well Tubulars for Electromagnetic Heating of Heavy Oil

Monitoring the technical condition of autonomous electrical systems with electric drive

Autonomous Electrothermal Facility for Oil Recovery Intensification Fed by Wind Driven Power Unit

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