What are the advantages and disadvantages of using downhole heaters in well bores?
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Downhole heaters in well bores offer several advantages. They can improve the heating efficiency of electric heaters used in oil shale exploitation, reducing heat loss and reusing the heat loss by driving air flows through outer and inner shell-passes in sequence . Electrical down-hole heating devices can enhance the recovery of thick waxy oil, heavy oil, bitumen, and natural gas, while also reducing the use of less energy efficient steam and minimizing water usage . The method of heating the well bottom hole area using downhole electrical resistance heaters can increase the efficiency of thermal influence on the near-wellbore, increase fluid flow from the reservoir, and reduce the viscosity of the borehole fluid . Additionally, heating the well bore can affect the setting of settable material in the annulus, accelerating or retarding the setting process . However, it is important to note that the use of downhole heaters may require additional equipment and control units, and the effectiveness of the heating process may depend on factors such as heating power, mass flow rate, and the specific characteristics of the well bore .
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| Papers (4) | Insight |
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| The provided paper does not mention the advantages and disadvantages of using downhole heaters in well bores. | |
Patent 20 Aug 2015 3 Citations | The provided paper does not mention the advantages and disadvantages of using downhole heaters in well bores. |
Patent 03 Aug 2015 10 Citations | The advantages of using down-hole heaters in well bores include enhanced recovery of oil and gas, lower viscosity, higher pressures, increased energy efficiency, and reduced greenhouse gas emissions. The paper does not mention any disadvantages of using down-hole heaters. |
10 Citations | The provided paper does not discuss the advantages and disadvantages of using downhole heaters in well bores. |
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