Accumulation contribution differences between lacustrine organic-rich shales and mudstones and their significance in shale oil evaluation |
ZHAO Wenzhi,ZHU Rukai,HU Suyun,HOU Lianhua,WU Songtao |
Fig. 1. SEM photographs of chrysophyta at 223.95 m in Chang-7 Member of Well Yaoye 1 in the Ordos Basin. |