准噶尔盆地二叠系上乌尔禾组退覆式扇(辫状河)三角洲前缘-滩坝复合砂砾岩沉积特征及控制因素<sup>*</sup>

准噶尔盆地二叠系上乌尔禾组退覆式扇(辫状河)三角洲前缘-滩坝复合砂砾岩沉积特征及控制因素^*

郭文建¹, 郭瑞婧², 唐勇¹, 纪友亮², 马铮涛², 刘笑语², 梁涛², 马玉龙²

Sedimentary characteristics,controlling factors and genesis of retrogradational fan(braided)delta front-beach bar composite gravel body in the Permian Upper Urho Formation in Junggar Basin

GUO Wenjian¹, GUO Ruijing², TANG Yong¹, JI Youliang², MA Zhengtao², LIU Xiaoyu², LIANG Tao², MA Yulong²

准噶尔盆地上乌尔禾组滩坝相、滨浅湖相沉积特征 a—KT2井,4600 m,灰色砂岩; b—KT2井,4606 m,灰色砂岩,层理发育; c—KT2井,4672 m,砂岩,含油性好; d—S16井,4660 m,灰色砂岩; e—KT2井,4805 m,灰色泥岩,水平层理; f—S2井,1760 m,灰色泥岩,水平层理; g—D8井,3600 m,灰色泥岩,水平层理; h—KT2井,4680 m,砂岩;i—KT2井,4606 m,砂岩,分选和磨圆好,含油,(-);j—S16井,4720 m,砂岩,分选和磨圆好, 含油,(-);k—M13井,3455 m,砂岩,分选和磨圆好,含油,(-)