TIAN Chun-zhi, LU Shuang-fang, LI Qi-ming, FU Xiao-tai, XUE Hai-tao. The Chemical Kinetic Model of Oil Cracking to Gas under High Pressure in Tarim Basin and Its Significance[J]. Acta Sedimentologica Sinica, 2002, 20(3): 488-492.
| Citation:
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TIAN Chun-zhi, LU Shuang-fang, LI Qi-ming, FU Xiao-tai, XUE Hai-tao. The Chemical Kinetic Model of Oil Cracking to Gas under High Pressure in Tarim Basin and Its Significance[J]. Acta Sedimentologica Sinica, 2002, 20(3): 488-492.
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The Chemical Kinetic Model of Oil Cracking to Gas under High Pressure in Tarim Basin and Its Significance
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1 Daqing Petroleum Institute, Anda, Heilongjiang,151400;
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2 Tarim Institute of Petroleum Exploration and Exploitation,Korla,Xinjiang,841000
- Received Date: 2001-09-07
- Rev Recd Date:
2002-02-19
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Abstract
To aimdirectly at the practical situation that the oil in Tarim basin can be preserved at depth much greater than in other ones，the experiments of oil cracking in to gas under pressure as high as in Tarimbasin are designed and carried out in this paper. The characteristics and yield of products f or med by the pyrolysis experiments With different pressure indicate that the pressure do have manifest influence on the processes of oil to gas. The chemical kinetic models that are constructed and calibrated by the experimental data With high pressure suggest that the activation energy of light oil to gas is relatively higher than that of the normal oil. The Weight average activation energies of oil cracking to gas under the high- pressure experiments are much higher than that of relative low- pressure experiments. Therefore，repression of high pressure f or decomposition of oil to gas has been testified Cuantitatively and the essence that the light oil contain ed less heteroatoms is more difficult to be degraded to gas has been explained.
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