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Aloki Bakhtiari, Hesam al vaki, Moosavi, Amin, Kazemzadeh, Ezatollah, Goshtasbi, Kamran, Esfahani, Mohammad Reza, Vali, Jafar. (1389). The effect of rock types on pore volume compressibility of limestone and dolomite samples. , 1(1), 37-82. doi: 10.22059/jgeope.2011.22163
Hesam al vaki Aloki Bakhtiari; Amin Moosavi; Ezatollah Kazemzadeh; Kamran Goshtasbi; Mohammad Reza Esfahani; Jafar Vali. "The effect of rock types on pore volume compressibility of limestone and dolomite samples". , 1, 1, 1389, 37-82. doi: 10.22059/jgeope.2011.22163
Aloki Bakhtiari, Hesam al vaki, Moosavi, Amin, Kazemzadeh, Ezatollah, Goshtasbi, Kamran, Esfahani, Mohammad Reza, Vali, Jafar. (1389). 'The effect of rock types on pore volume compressibility of limestone and dolomite samples', , 1(1), pp. 37-82. doi: 10.22059/jgeope.2011.22163
Aloki Bakhtiari, Hesam al vaki, Moosavi, Amin, Kazemzadeh, Ezatollah, Goshtasbi, Kamran, Esfahani, Mohammad Reza, Vali, Jafar. The effect of rock types on pore volume compressibility of limestone and dolomite samples. , 1389; 1(1): 37-82. doi: 10.22059/jgeope.2011.22163

The effect of rock types on pore volume compressibility of limestone and dolomite samples

Geopersia
مقاله 3، دوره 1، شماره 1 - شماره پیاپی 402200، خرداد 2011، صفحه 37-82    اصل مقاله (814.79 K)
شناسه دیجیتال (DOI): 10.22059/jgeope.2011.22163
نویسندگان
Hesam al vaki Aloki Bakhtiari1؛ Amin Moosavi2؛ Ezatollah Kazemzadeh1؛ Kamran Goshtasbi2؛ Mohammad Reza Esfahani1؛ Jafar Vali3
1Institute of Petroleum Industry
2Tarbiat Modares University
3nstitute of Petroleum Industry
چکیده
Determination of porosity, permeability, and pore volume compressibility of reservoir rocks and those variations with effective stress changes are of great interest in petroleum engineering. This paper has studied the influence of pore types of carbonate reservoir rocks on pore volume compressibility as well as Klinkenberg permeability and porosity at different stress values. In the current study pore volume compressibility tests have been done on 38 limestone and 8 dolomite samples. The experiments show the importance of rock type description of the reservoir rocks. Carbonate rocks with touching vug pores have different behavior from the other studied carbonates in this paper. This complex behavior is related to the role of connecting paths closure on the characteristics of hydraulic conductivity of the rock while there is no more changes in porosity or volume change. It means that the planar connecting paths have more effect on hydraulic conductivity of this rock type, while it has not more effect on porosity. Also, in all rock types excluding touching vuggy pores limestone, increasing the initial porosity leads to increase the permeability at the same effective stress value.
کلیدواژه‌ها
Effective Stress؛ Klinkenberg؛ Permeability؛ Pore Volume Compressibility؛ Types؛ Porosity
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