鄂尔多斯盆地华庆地区延长组长4+5致密油层成岩作用及成岩相
郑庆华1,2, 柳益群1,*

The Diagenesis and Diagenetic Lithofacies of Tight Reservoir of Chang4+5 Member of Yanchang Formation in Huaqing Area, Ordos Basin
Zheng Qinghua1,2, Liu Yiqun1
华庆地区长4+5砂岩自生矿物含量及其与孔隙度交汇图 （a）绿泥石胶结物含量和碳酸盐胶结物含量交汇图;（b）绿泥石胶结物含量和硅质胶结物含量交汇图;（c）绿泥石胶结物含量与孔隙度交汇图;（d）碳酸盐胶结含量与孔隙度交汇图;（e）高岭石胶结物含量与孔隙度交汇图;（f）溶蚀孔含量与孔隙度交汇图
Plots of authigenic different mineral content and porosity of Chang 4+5 sandstone in Huaqing area （a）Contents of chlorite and carbonate cements intersection figure; （b） Contents of chlorite and siliceous intersection figure; （c）Contents of chlorite and porosity intersection figure; （d） Contents of carbonate cements and porosity intersection figure; （e）Contents of kaolinite cements and porosity intersection figure; （f）Contents of dissolved pore and porosity intersection figure