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
鄂尔多斯盆地长4+5砂岩黑色沥青质显微荧光和激光拉曼光谱特征 （a）黑色沥青质发黄褐色荧光红圈, 显微荧光×150, G239井, 长4+5 1 , 2 540.9 m;（b）黑色沥青质的拉曼普峰, G239井, 长4+5 1 , 2 540.9 m
Micro fluorescence and Laser Raman spectra of black albite of Chang 4+5 sandstone in Ordos Basin （a） Black albite glows weak yellow fluorescence（red cycle）, micro fluorescence×150, Well G239, Chang 4+5 1 , 2 540.9 m; （b） Laser Raman spectra of black albite, Well G239, Chang 4+5 1 , 2 540.9 m