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Article Navigation >  Acta Sedimentologica Sinica  > 1995  >  13(3): 83-88

Yang Junjie, Zhang Wenzheng, Huang Yueming, Liu Guixia, Huang Sijing, Xiao Linping. Experimental Simulation for Dolomite Dissolution under the Conditions of Burial Temperature and Pressure[J]. Acta Sedimentologica Sinica, 1995, 13(3): 83-88.
Citation: Yang Junjie, Zhang Wenzheng, Huang Yueming, Liu Guixia, Huang Sijing, Xiao Linping. Experimental Simulation for Dolomite Dissolution under the Conditions of Burial Temperature and Pressure[J]. Acta Sedimentologica Sinica, 1995, 13(3): 83-88.
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Experimental Simulation for Dolomite Dissolution under the Conditions of Burial Temperature and Pressure

  • 1 Changqing Oil Field. Qingyang. Gansu 745101;

  • 2 Chengdu Institute of Technology, Chengdu 610059

  • Received Date: 1994-02-26
  • Publish Date: 1995-09-10
  • Experiment for dolomite dissolution by acetic acid has been run under the conditions of temperature and pressure of burial diagenesis (75-130 ℃, 20-30MPa). The result shows that Dissolution rate of dolomite increases quickly with the increase of temperature and pressure. From 75℃. 20MPa to 130℃, 30MPa, the total releasing quantity of Ca2+ and Mg2+ increases from 32.98 mg/L to 337.9 mg/L, increasing more than 10 times. The temperature of 100℃ and pressure of 25 MPa are the best condition for dolomite dissolution.According to the result of experiment, We can predict that the secondary porosity formed by dolomite dissolution under deep burial diagenesis environment should be more common than that under epigenesis and shallow burial environment. So dolomite reservoir of deep burial strain should be more popular than that of shallow burial strain.
  • [1] 1.Muller.G.,1971,Methods in sedimentary petrology,Whey-interscience,U.S. A.,1971.

    2.Rauch,H. W. and White, W. B.，1977,Dissolution kinetics of carbonate rocks, 1，Effects of lithology on dissolution rate,Water Resources Research, 13, 181一194.

    3.宋焕荣等. 1990.喀斯特发育过程中的化学溶解和物理破坏作用。喀斯特地貌与洞穴研究，北京:科学出版社，171 -181。

    4.翁金桃，1987，桂林岩溶与碳酸盐岩，重庆:重庆出版社。

    5.黄尚瑜等，1987,碳酸盐岩的溶蚀与环境温度，中国岩溶,6(4):287-296,

    6.韩宝平.1988，任丘碳酸盐岩溶蚀实验研究，中国岩溶.7(4):81-88。

    7.韩宝平.1991，任丘油田热水喀斯特的实验模拟.石油实验地质，13(3):272-279。
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  • Received:  1994-02-26
  • Published:  1995-09-10

Experimental Simulation for Dolomite Dissolution under the Conditions of Burial Temperature and Pressure

  • 1 Changqing Oil Field. Qingyang. Gansu 745101;
  • 2 Chengdu Institute of Technology, Chengdu 610059
  • Received Date: 1994-02-26
  • Publish Date: 1995-09-10

Abstract: Experiment for dolomite dissolution by acetic acid has been run under the conditions of temperature and pressure of burial diagenesis (75-130 ℃, 20-30MPa). The result shows that Dissolution rate of dolomite increases quickly with the increase of temperature and pressure. From 75℃. 20MPa to 130℃, 30MPa, the total releasing quantity of Ca2+ and Mg2+ increases from 32.98 mg/L to 337.9 mg/L, increasing more than 10 times. The temperature of 100℃ and pressure of 25 MPa are the best condition for dolomite dissolution.According to the result of experiment, We can predict that the secondary porosity formed by dolomite dissolution under deep burial diagenesis environment should be more common than that under epigenesis and shallow burial environment. So dolomite reservoir of deep burial strain should be more popular than that of shallow burial strain.

Yang Junjie, Zhang Wenzheng, Huang Yueming, Liu Guixia, Huang Sijing, Xiao Linping. Experimental Simulation for Dolomite Dissolution under the Conditions of Burial Temperature and Pressure[J]. Acta Sedimentologica Sinica, 1995, 13(3): 83-88.
Citation: Yang Junjie, Zhang Wenzheng, Huang Yueming, Liu Guixia, Huang Sijing, Xiao Linping. Experimental Simulation for Dolomite Dissolution under the Conditions of Burial Temperature and Pressure[J]. Acta Sedimentologica Sinica, 1995, 13(3): 83-88.
shu

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