Resistivity dispersion in pyrite-bearing shaly sandstones

• 作 者: Guo Zhi-Hua Song Yan-Jie Wang
• 机 构: CollegeofGeo-science,AccumulationandDevelopmentofUnconventionalOilandGas,NO.9OilProductionCompanyGeo
• 出 处: 应用地球物理:英文版
• 发表日期: 2019年1期
• 关键词: PYRITE SHALE SANDSTONE DISPERSION RESISTIVITY
• 基金项目: the National Natural Science Foundation of China (No. 41274110),the Northeast Petroleum University Innovation Foundation for Postgraduate (No. YJSCX2016-003NEPU).

In pyrite-bearing shaly sandstones, the distortion in the resistivity logging response of formations in high-frequency resistivity logging because of dispersion hinders the calculation of reservoir saturation. To eliminate the effect of resistivity disper