四川盆地涪陵地区中侏罗统凉高山组陆相页岩油气富集规律探讨

王威,石文斌,付小平,谢佳彤,倪楷

Oil and gas enrichment regularity of continental shale of Lianggaoshan Formation of Middle Jurassic in Fuling area, Sichuan Basin

Wei WANG,Wenbin SHI,Xiaoping FU,Jiatong XIE,Kai NI

表1 TY1井凉高山组沉积相划分依据

Table 1 Sedimentary facies division basis of Lianggaoshan Formation in Well TY1

相带 深度/m 小层 厚度/m 泥岩厚度/m 泥地比/% GR/API TOC/% 含气量/（m3/t） 半深湖 2 536.5~2 561.7 ④ 25.2 24.53 97.6 104.25 1.56 1.81 浅湖 2 508.642~2 536.546 ⑤ 27.728 13.122 51.3 95.26 1.235 0.554 2 561.7~2 584.354 ③ 22.642 13.857 61.2 93.82 0.75 0.875 2 584.354~2 598.44 ② 14.05 12.549 67.96 98.43 1.08 0.5 滨湖 2 465.316~2 508.642 ⑥ 43.127 18.859 43.72 89.37 1.53 0.395 2 598.44~2 624.472 ① 26.032 12.548 48.2 92.45 0.498 0.304