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Petroleum Science >2011,??Issue 2:??170-176 DOI: https://doi.org/10.1007/s12182-011-0131-3

Investigation of effects of clay content on F-Ф relationship by Lattice gas automation using digital rock model Open?Access

文章信息

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作者：Yue Wenzheng,Tao Guo,Chai Xiyuan,Jiang Hongxiu and Mu Hongwu
作者單位：

State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China; Key Laboratory of Earth Prospecting and Information Technology, China University of Petroleum, Beijing 102249, China; CNPC Key Laboratory of;State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China; Key Laboratory of Earth Prospecting and Information Technology, China University of Petroleum, Beijing 102249, China; CNPC Key Laboratory of;Bohai Drilling Engineering Company LTD Logging Company, Tianjin 300280, China;Bohai Drilling Engineering Company LTD Logging Company, Tianjin 300280, China;Bohai Drilling Engineering Company LTD Logging Company, Tianjin 300280, China

投稿時(shí)間：2010-10-08
引用方式：Yue, W., Tao, G., Chai, X. et al. Pet. Sci. (2011) 8: 170. https://doi.org/10.1007/s12182-011-0131-3

文章摘要

The Lattice Gas Automation (LGA) method, which is improved by introducing a reflection coefficient for the border between phases to show its effect on current path, is used in this paper to simulate the current flow in digital rock for investigating the effects of clay content and clay distribution types on the relationship between formation factor(F) and rock porosity(Ф). The digital rock model is constructed by simulating a natural deposit of matrix particles with different shapes and radius. Based on the simulation results, it was found that both dispersed clay and laminated clay can lead to a non-Archie relationship of F-Ф. The non-Archie effect of laminated clay on the F-Ф relationship was more significant than that of dispersed clay. Moreover, a realistic model is developed in this work for quantitatively describing the effect of clay content (Denoted as Vsh) on parameters a and m. These study results have further demonstrated the validity of LGA in study of electrical transport properties at a pore scale.

關(guān)鍵詞

    Formation factor, non-Archie, Lattice gas automation, porosity, clay content, clay distribution