A lot of oil and gas reservoirs have been or will be abandoned in petroleum industry. In this study, we pointed out that these oil and gas reservoirs might be transferred into exceptional enhanced geothermal reservoirs with very high temperatures by oxidizing the residual oil with injected air. A concept to generate power from these exceptional enhanced geothermal reservoirs by using geothermal power generation technology was proposed. Using Du84 reservoir in Shuguang oil field, Liaohe, PetroChina as an example, we estimated the possible power and the income that might be generated from such an exceptional enhanced geothermal system.

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