Electrical Heating With Horizontal And Vertical Wells

McGee, B.C.W.; Vermeulen, F.E.; Yu, C.L.

doi:10.2118/96-98

Cited by 5 publications

(4 citation statements)

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“…Therefore, the formation damage is none. But the electrical heating is used for heating steam chamber [19], an electrical heating path is affected by brine and electrical energy is dissipated due to heat. As water saturation decreases or the majority of the water has been forming steam because of heated by electric current [20].…”

Section: Mechanisme Of Electrical Heatingmentioning

confidence: 99%

“…Current flows from the power conditioning unit and is conducted down the power delivery system to the electrode assembly, then the current flows through the oil formation and returns to the power conditioning unit system. Therefore, oil viscosity can be reduced properly by heating [19]. There are advantages of electrical heating below :…”

Section: Mechanisme Of Electrical Heatingmentioning

confidence: 99%

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

Hasibuan¹,

Regina²,

Wahyu³

et al. 2020

Preprint

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This paper presents a review of the electrical heating method for heavy oil recovery based on past, current, and future prospects of electrical heating. Heavy oil is one of the potential crude oil used as a link to reduce the crisis of light oil used today. The obstacle of heavy oil is a high viscosity and density in which thermal injection is a method for heavy oil recovery, but it results in economic and environmental issues. Electrical heating is one of the thermal methods by transferring heat into the reservoir. The basic process of electrical heating is to increase the mobility of the oil. Because the temperature rises, it can reduce oil viscosity and makes it easier for heavy oil to flow. The past and current developments have been carried out to fill up the gap of electrical heating projects. The future prospects must meet energy efficiency, and the excessive heat will damage formation that must be tackled in the future prospect. the works adopt several electrical heating projects and applications in the world where the works give a brief future prospect of electrical heating.

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Section: Mechanisme Of Electrical Heatingmentioning

confidence: 99%

Section: Mechanisme Of Electrical Heatingmentioning

confidence: 99%

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

Hasibuan¹,

Regina²,

Wahyu³

et al. 2020

Preprint

View full text Add to dashboard Cite

show abstract

“…Therefore, the formation of damage is negligible. Besides, the electrical heating is also applied for steam chamber-heating (B C W McGee et al, 1996), Brine and electrical energy affect the heating path due to heat conductivity, and most of the water or water saturation will decrease and form steam due to heat generated by electric current (Das, 2008).…”

Section: Electrical Heating Mechanismsmentioning

confidence: 99%

“…The current flows from the power conditioning unit and conducts a power delivery system to the electrode assembly, then the current flows through oil formation and returns to the power cooling unit system. Therefore, oil viscosity could be reduced well by heating (B C W McGee et al, 1996). There are advantages of electrical heating which are there is no fluid injected, heating while producing at the same time, reducing heat loss, able to be applied into a reservoir containing clay swelling, and the efficiency of volumetric sweeping is greater than thermal injection because the electric current could flow in the low permeability.…”

Section: Electrical Heating Mechanismsmentioning

confidence: 99%

The Prospect of Electrical Enhanced Oil Recovery for Heavy Oil: A Review

Afdhol

Erfando

Hidayat

et al. 2020

J. earth energy eng.

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This paper presents a review of electrical heating for the recovery of heavy oil which the work adopts methods used in the past and the prospects for crude oil recovery in the future. Heavy oil is one of the crude oils with API more than 22 which has the potential to overcome the current light oil crisis. However, high viscosity and density are challenges in heavy oil recovery. The method is often used to overcome these challenges by using thermal injection methods, but this method results in economic and environmental issues. The electrical heating method could be a solution to replace conventional thermal methods in which the methodology of electrical heating is to transfer heat into the reservoir due to increasing oil mobility. Because the temperature rises, it could help to reduce oil viscosity, then heavy oil will flow easily. The applications of electrical heating have been adopted in this paper where the prospects of electrical heating are carried out to be useful as guidelines of electrical heating. The challenge of electrical heating is the excessive heat will damage the formation that must be addressed in the prospect of electrical heating which must meet energy efficiency. The use of Artificial intelligence becomes a new technology to overcome problems that are often found in conventional thermal methods where this method could avoid steam breakthrough and excessive heat. Therefore, it becomes more efficient and could reduce costs.

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Electrical Heating — Doing the Same Thing Over and Over Again …

Ali

Bayestehparvin

2018

Day 1 Tue, March 13, 2018

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… And expecting different results. Electrical heating of oil reservoirs has fascinated petroleum engineers for more than 70 years - longer, if you include the use of heaters in Siberian oilfields. The earliest laboratory study was done in Pennsylvania in 1940's. Since then, many more studies and field tests have been carried out, none of which was a commercial success. This paper takes a look at different forms of electrical heating, the supporting theoretical work, and field tests. Additionally, several examples are given illustrating the limitations of electrical heating processes. Also discussed is the logic behind the resurgence of electrical heating in recent years. Not discussed are over 200 patents on electrical heating. The major electrical heating processes are resistance heating, using direct current or low frequency alternating current, induction heating, microwave heating, and heating by means of electrical heaters. These are described briefly, and compared. In applications to oil sands, the intent is to utilize the connate water as the heating element (resistance heating) or oil sands as the dielectric (microwave heating). Induction heating is much less effective but has been tested in many field projects. Shale that has a permeability of zero to fluid flow, is electrically conductive, and thus channels much of the electric current flow in resistance heating, which also has other limitations. Microwaves suffer from low depth of penetration (of the order of 20 cm in oil sands) and low power delivery (of the order of 1 MW as a maximum). The power requirements for a typical SAGD pair, in contrast, are 15-30 MW. Electric heaters have been used in oilfields for many years for near-wellbore heating. Two large field pilots used powerful electric heaters, and were recently shut down. Although electrical heating has not had commercial success, recently there has been a resurgence in various electrical processes, as a means of reducing GHG emissions, under the flawed logic that oilfield use of electricity would displace emissions caused by steam generation.

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Electrical Heating With Horizontal And Vertical Wells

Cited by 5 publications

References 0 publications

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

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

The Prospect of Electrical Enhanced Oil Recovery for Heavy Oil: A Review

Electrical Heating — Doing the Same Thing Over and Over Again …

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