Electrical Heating for Heavy Oil: Past, Current, and Future Prospect

Hasibuan, Muhammad; Regina, Shania; Wahyu, Rizaldi; Situmorang, Daniel; Azmi, Fadlul; Syahputra, Rinaldi; Batubara, Laila Putri Yanti; Prabowo, Fauzi; Setiawan, Agus; Afin, Muhammad Fadhil; Afdhol, Muhammad Khairul; Erfando, Tomi

doi:10.20944/preprints202001.0115.v1

Cited by 3 publications

(3 citation statements)

References 79 publications

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“…Drainage" (SAGD), hot steam is injected into an upper horizontal well, the oil flows down by gravity and is produced from another lower parallel horizontal well [110]. 2) "Steam Flooding" (SF) involves continuous steam injection into a vertical well to create a hot zone and drives the heated oil to another vertical well for production [108].…”

Section: Recovery Of Man-made Steam From Heavy Oil Reservoirmentioning

confidence: 99%

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Conventional Geothermal Systems and Unconventional Geothermal Developments: An Overview

Khodayar,

Björnsson

2024

OJG

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This paper provides an overview of conventional geothermal systems and unconventional geothermal developments as a common reference is needed for discussions between energy professionals. Conventional geothermal systems have the heat, permeability and fluid, requiring only drilling down to < 3.5 Km. Low-temperature (LT) systems can be everywhere, have <100˚C, normal heat flow or decaying radiogenic granite as heat sources, and used in district heating. Medium-temperature (MT) 100˚C -190˚C, and high-temperature (HT) 190˚C -374˚C resources are mostly at plate boundaries, with volcanic intrusive heat source, used mostly for electricity generation. Single well capacities are <2 MWe and <5 MW (LT), <7 MWe and <15 MW (MT), <25 MWe and <125 MW (HT). Unconventional geothermal alternatives have heat (8˚C -500˚C) and a range of depths (1 m to 20 Km), but lack permeability or fluid, thus requiring stimulations for heat extraction by conduction. HVAC is 1 -2 m deep and shallow geothermal down to 500 m in wells, both capturing < 25˚C, with <10 kW and <5 MW unit-capacities. Technologies targeting ≤ 500˚C are either advanced by geothermal developers at <7 Km depth (Enhanced Geothermal Systems (EGS), drilling below brittle-ductile transition zones and under geothermal fields), or by the Oil & Gas industry (Advanced Geothermal Systems, heat recovery from hydrocarbon wells or reservoirs, Superhot Rock Geothermal, and millimeter-wave drilling down to 20 Km). Their primary aim is electricity generation, relying on closed-loops, but EGS uses fractures for heat exchange with earthquake risks during fracking. Unconventional approaches could be everywhere, with shallow geothermal already functional. The deeper and hotter unconventional alternatives are still experimental, overcoming costs and technological challenges to become fully commercial.

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Section: Recovery Of Man-made Steam From Heavy Oil Reservoirmentioning

confidence: 99%

“…3) The Cyclic Steam Stimulation (CSS) also deploys vertical wells to pump cyclically high temperature/high pressure steam into the reservoir, stopping and injecting again to reduce the oil viscosity for recovery [110]. The steam for injections comes from heating the water by burning natural gas.…”

Section: Recovery Of Man-made Steam From Heavy Oil Reservoirmentioning

confidence: 99%

Conventional Geothermal Systems and Unconventional Geothermal Developments: An Overview

Khodayar,

Björnsson

2024

OJG

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“…It was observed that heavy oil exploitation requires hot steam injection as a method for oil recovery. However, the impact often causes environmental problems, which means it has to be replaced by electrical heating to transfer the heat into the reservoir using an electric current (Hasibuan et al, 2020). This is the reason Felix & Din (2022) recommended transformer usage, which is capable of increasing and decreasing the voltage to stabilize high-voltage electrical systems.…”

Section: Verification Of Heavy Oil Distributionmentioning

confidence: 99%

Heavy Oil Potentials in Central Sumatra Basin, Indonesia Using Remote Sensing, Gravity, and Petrophysics Data: From Literature Review to Interpretations and Analyses

Susantoro

Suliantara

Setiawan

et al. 2022

Indonesian J. Sci. Technol

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Central Sumatra basin is located on Sumatra Island, Indonesia, and is considered an oil prolific basin that produces heavy oil. The basin is believed to have unexplored heavy oil potential. Therefore, this study aims to map the heavy oil potential distribution in the basin using surface and subsurface lineaments analyses interpreted from satellite imagery and gravity data, and assisted by well log/petrophysics analysis. A thorough basin analysis was conducted based on surface/subsurface structures’ control and source rock location settings to map all potential heavy oil traps. The gravity anomaly data interpretation identified the low areas and lineaments in NW – SE, and N – S directions. The interpretation of satellite imageries showed very similar lineament patterns with the same general direction. It was observed that there is continuity between subsurface and surface lineament features, which provide contact between reservoirs and surface water sources, thereby facilitating heavy oil generation. Overlapping the lineament interpretation of gravity and satellite imagery data, supported by petroleum system understanding and verification from wells data have confirmed 7 heavy oil trap potential areas within the sedimentary basin.

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Research on the Temperature Distribution in Electrically Heated Offshore Heavy Oil Wellbores

Shang,

Gao,

Zhang

et al. 2024

Energies

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The electric heating process for lifting heavy oil has been widely applied. However, research on its temperature field laws mostly focuses on onshore heavy oil wells, while research offshore is limited. Therefore, based on the energy conservation equation and heat transfer theory, a transient one-dimensional wellbore temperature model coupled with the temperature and viscosity of heavy oil and considering the effect of time was developed. In order to verify the accuracy of the model, the results of the previous model were used for comparison with the present model, and the results showed that the model has good accuracy. The results show that a reasonable selection of the process parameters of electric heating can increase the production of heavy oil while saving development costs and improving the economic benefits of the oilfield. The conclusions and recommendations of this paper can provide a theoretical basis and guiding suggestions for the optimal design of process parameters for lifting heavy oil using an offshore electric heating process.

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Electrical Heating for Heavy Oil: Past, Current, and Future Prospect

Cited by 3 publications

References 79 publications

Conventional Geothermal Systems and Unconventional Geothermal Developments: An Overview

Conventional Geothermal Systems and Unconventional Geothermal Developments: An Overview

Heavy Oil Potentials in Central Sumatra Basin, Indonesia Using Remote Sensing, Gravity, and Petrophysics Data: From Literature Review to Interpretations and Analyses

Research on the Temperature Distribution in Electrically Heated Offshore Heavy Oil Wellbores

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