Experiment on Capillary Pressure Determination with MNR and Semi-Permeable Plate

Abstract

Abstract: This paper discusses the method for obtaining formation capillary pressure from MNR T₂ spectrum by mercury penetration and semi-permeable plate experiment to determine the capillary pressure curve and further calibrate the MNR capillary pressure. Over 50 core samples from Jungar basin are tested with MNR and semi-permeable plate. Correlation between MNR T₂ spectrum and aperture distribution is conducted. Comparison of capillary pressure curves from mercury penetration and semi-permeable plate is presented to establish the conversion between MNR T₂ spectrum and capillary pressure curve. This provides a new method for log interpretation of complex pore structures and low resistivity hydrocarbon reservoir.

Key words: sandstone, MNR, semi-permeable plate, capillary pressure

CLC Number:

TE112.23

ZHANG Shi-qing, dAI Shi-hua, ZHANG Xiao-liang, CHEN Ling, SAI Fei-ya. Experiment on Capillary Pressure Determination with MNR and Semi-Permeable Plate[J]. Xinjiang Petroleum Geology, 2010, 31(6): 647-648.

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Experiment on Capillary Pressure Determination with MNR and Semi-Permeable Plate

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