A New Empirical Method for Constructing Capillary Pressure Curves from Conventional Logs in Low-Permeability Sandstones

Pore structure reflected from capillary pressure curves plays an important role in low-permeability formation evaluation. It is a common way to construct capillary pressure curves by Nuclear Magnetic Resonance（NMR） log. However, the method＇s efficiency will be severely affected if there is no NMR lo...

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Veröffentlicht in:	Journal of earth science (Wuhan, China) China), 2017-06, Vol.28 (3), p.516-522
Hauptverfasser:	Feng, Cheng, Shi, Yujiang, Li, Jiahong, Chang, Liang, Li, Gaoren, Mao, Zhiqiang
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied Geophysics Biogeosciences Blood pressure Boundary value problems Brines Calibration Capillary electrophoresis Capillary pressure Classification Construction Construction methods Datasets Diagenesis Distribution Earth and Environmental Science Earth Sciences Efficiency Evaluation Experimental data Extrapolation Facies Gamma radiation Gamma rays Geochemistry Geology Geotechnical Engineering & Applied Earth Sciences Independent variables Injection Low Magnetic permeability Mathematical models Membrane permeability Mercury NMR Nuclear electric power generation Nuclear magnetic resonance Oil Oil production Parameters Permeability Petroleum production Porosity Pressure Pressure curve Reliability Saline water Sandstones Saturation Spectra Tests Triassic 低渗透砂岩储层孔隙结构核磁共振测井毛管压力曲线毛细管压力曲线测井曲线测井资料
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