Core analysis data from laboratory showed the origin of water layers with high resistivity is due to changes of lithology, residual oil and formation water salinity in local areas.
通过对实验室岩心分析资料的研究，认为高电阻率水层的成因是岩性变化、残余油的存在及局部地区地层水矿化度的变化引起的。
Robust regression analysis and minimax residual error analysis are two aspects in data processing of dynamic measurement.
在动态测试数据处理中，常常要进行稳健回归分析和最小最大值回归分析。
Through a comprehensive analysis on various dynamic monitoring data and a large amount of fine numerical simulation study of dense grid, it makes clear the residual oil distribution.
通过各种动态监测资料综合分析和密网络大规模精细数值模拟研究，搞清了剩余油分布状况。
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