Status of electromagnetic heating for enhanced heavy oil/bitumen recovery and future prospects: A review

Bera, Achinta; Babadagli, Tayfun

doi:10.1016/j.apenergy.2015.04.031

Cited by 250 publications

(73 citation statements)

References 89 publications

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“…(9) and Eq. (10). When the disc number was decreased, the heat transfer to fluid increased with the mass flow rates.…”

Section: Resultsmentioning

confidence: 99%

“…Furthermore, there are numerous studies about a variety of fields such as, polymerization of adhesives [2], production and sterilization of surgical equipment [7], Physical Vapor Deposition (PVD) coating [8], asphalt heating [9], heavy oil/bitumen heating [10], non-catalytic oxidation of natural gas [11], heating of metal catalysts for exhaust gas cleaning [12], two phase heat transfer [13] and even more the removal of water droplets from a mirror surface [14]. Scientists are searching for effective uses of induction furnaces and the means to develop them further.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Efficiency analysis of induction air heater and investigation of distribution of energy losses

Ünver

2016

Teh. vjesn.

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Original scientific paper In this study, an induction air heater prototype that is designed to supply hygienic air was analysed. The purpose of this paper is to determine the distribution of energy losses and investigate the effects of inducer discs on the thermal efficiency of the prototype. The analysis was carried out by applying the 1st Law of Thermodynamics. In the study, the natural convection and radiation losses, the discharge losses and the losses due to kinetic energy were calculated and presented. The maximum thermal efficiency was calculated to be 29,9 % without discs. It was seen that, to ensure the competitiveness of the induction air heater among other air heaters, the thermal efficiency can be boosted up to 90 % with appropriate insulation and construction. It was seen that utilizing the discs decreased the efficiency and the total energy loss was reduced as the number of discs was decreased. Analiza učinkovitosti indukcijskog grijača zraka i ispitivanje raspodjele gubitaka energijeIzvorni znanstveni članak U ovom se radu analizira prototip indukcijskog grijača zraka konstruiranog za dovod higijenskog zraka. Cilj je rada odrediti raspodjelu gubitaka energije i ispitati učinke diskova na toplinsku učinkovitost prototipa. Analiza je provedena primjenom prvog zakona termodinamike. U radu su izračunati i prezentirani gubici zbog prirodne konvekcije i zračenja, gubici ispuštanja i gubici zbog kinetičke energije. Izračunato je da je maksimalna toplinska učinkovitost 29,9 % bez diskova. Ustanovljeno je da, kako bi se osigurala konkurentnost indukcijskih grijača zraka u odnosu na druge grijače, toplinska učinkovitost se može povećati do 90 % odgovarajućom izolacijom i konstrukcijom. Ustanovljeno je da primjena diskova smanjuje učinkovitost i ukupni se gubitak energije smanjio smanjenjem broja diskova.Ključne riječi: indukcijski grijač fluida; povećanje energetske učinkovitosti; toplinska učinkovitost; učinkovitost Prvog zakona; zagrijavanje indukcijom; zagrijavanje zraka indukcijom

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“…(9) and Eq. (10). When the disc number was decreased, the heat transfer to fluid increased with the mass flow rates.…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficiency analysis of induction air heater and investigation of distribution of energy losses

Ünver

2016

Teh. vjesn.

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“…Thermal transformation of oil shale during heating involves complex physical and chemical reactions. In recent years, there are many achievements to compare the similarities and differences between microwave heating and conventional heating by analyzing different outcomes, including heating rate, shale oil production and quality, gas volume, and composition …”

Section: Introductionmentioning

confidence: 99%

“…In recent years, there are many achievements to compare the similarities and differences between microwave heating and conventional heating by analyzing different outcomes, 11 including heating rate, 12 shale oil production and quality, 13 gas volume, and composition. 14 Apart from above investigations, it's also vital to study comprehensively the pore structure of oil shale during heating process which is playing an important role in the heat transfer and mass transport of its transformation products, particularly for the flow behavior of produced oil and gas during in situ development process. 15,16 Many previous studies have focused on the effects of heating conditions (reaction temperature, heating rate and residence time) on the pore structure of oil shale under conventional heating.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of different microwave heating parameters on the pore structure of oil shale samples

Zhu

Yang

et al. 2018

Energy Science & Engineering

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The pore structure of oil shale during microwave heating significantly determines the flow behavior, the transformation products and the ultimate recovery regardless of ex situ retorting or in situ development methods. In this experimental study, the effects of microwave heating parameters including heating time, reaction temperature and output power on the heating behavior, surface morphology and pore roughness of oil shale were investigated based on the nitrogen adsorption/desorption and scanning electron microscope (SEM) experiments. Fractal dimension D1 and D2 (at relative pressures of 0‐0.5 and 0.5‐1, respectively) were calculated according to the fractal Frenkel‐Halsey‐Hill model. The relationships between specific surface area, cumulative pore volume, average pore diameter, and fractal dimension have been studied. The results demonstrated that the pore structure of oil shale was greatly influenced by microwave heating parameters due to the decomposition of kerogen, the internal pressure caused by the steam and volatiles, the complicated reactions and the thermal stress induced by microwave. Moreover, fractal dimension also changed correspondingly with different heating parameters. The variations of fractal dimension D1 was consistent with the evolvement of specific surface area and the changes in fractal dimension D2 showed negative correlation with average pore volume. The relationships between D1 and surface roughness, D2 and pore structure were verified based on the comparison of SEM images. The fractal theory is reliable to describe the surface morphology and pore structure of oil shale and thus supports the application of microwave heating on the oil shale development.

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“…Due to high density and viscosity as well as poor mobility of heavy oils, it is difficult to have recovery rate with conventional development methods (Guo and Su 2013;Bera and Babadagli 2015). Thermal recovery methods need to be used in the production to improve the recovery efficiency of heavy oil reservoirs.…”

Section: Introductionmentioning

confidence: 99%

The influence of steam stimulation on compression coefficient of heavy oil reservoirs

Yan

Cheng

Tian³

et al. 2017

J Petrol Explor Prod Technol

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The diminishing oil resources make the exploration and development of heavy oil reservoirs more and more important. Heavy oil reservoirs need steam stimulation or other thermal development methods; temperature increasing during the thermal recovery process will inevitably affect the reservoir compressive characteristics. In order to study the variation of the compression coefficient of heavy oil reservoirs in the multi-round steam stimulation process, the compression coefficients of the reservoirs after different temperature and pore pressure cycles were tested. The results show that the compression coefficient of heavy oil reservoir decreases with the increase in effective confining pressure and increases with the increase in test temperature; After the temperature and pore pressure cycle, the compression coefficient of the rock is greatly reduced; the decrease in range of compression coefficient of the reservoir after the temperature and pore pressure cycle increases with the increase in the test temperature, and increases with the increase in maximum effective confining pressure. The dynamic variation of the reservoir compression coefficient must be taken into account in the prediction of the production capacity of multi-round steam stimulation.

show abstract

Status of electromagnetic heating for enhanced heavy oil/bitumen recovery and future prospects: A review

Cited by 250 publications

References 89 publications

Efficiency analysis of induction air heater and investigation of distribution of energy losses

Efficiency analysis of induction air heater and investigation of distribution of energy losses

Evaluation of different microwave heating parameters on the pore structure of oil shale samples

The influence of steam stimulation on compression coefficient of heavy oil reservoirs

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