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Simultaneous Carbon Dioxide Storage and Enhanced Gas Recovery in Gas Condensate Reservoirs

Moravveji, Mohammad Javad | 2015

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 47939 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Jamshidi, Saeid; Soltanieh, Mohammad
  7. Abstract:
  8. The consumption of fossil fuels (oil, gas and coal) increased the concentration of greenhouse gases in the atmosphere that cause increase of earth atmosphere temperature and lots of environmental problems. Using appropriate alternative energy sources is one way to control this emission, while considering energy infrastructures shows this is a far solution. An early way for decreasing the emission of greenhouse gases in the atmosphere is injection of CO2 in geological formations. Since approximately 50 years ago some researches in this area have been developing. The most important limit of these projects is its costs so it is wise to combine them with gas injection projects in gas and oil reservoirs. Among the various kinds of reservoir, condensate reservoirs have more importance and difficulty of calculations at the same time. They have good injection and storage capacity in comparison with other gas reservoirs also keeping injecting gas could possibly evaporate the precondensed liquids and entrap them to fellow out. The propose of this project is optimizing the injection of CO2 in condensate reservoir which not only make the profit through enhanced gas recovery, even though reduce the emission of this greenhouse gas through the injection. In this project, first the parameters that effects enhanced gas recovery and storage in condensate reservoirs are simulated and then via genetic algorithm are optimized and at last a comparison with dry gas sequestration has been made to conclude which one is better candidate for sequestration. Through this simulation we conclude that injection from the beginning of production is not cost profit and costs of separation would be more. Finally this project because of clean mechanism development incomes and increase of gas recovery factor is our concern
  9. Keywords:
  10. Carbon Dioxide ; Enhanced Oil Recovery ; Gas Condensate Reservoirs ; Storage ; Injection Capacity ; Storage Capacity

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