嘉陵江组原称“嘉陵江灰岩”。中三叠世早期。最初命名在中国四川广元市嘉陵江岸,故名。分布于川、鄂、滇等地。岩性复杂,主要为灰色、灰黄色、灰绿色薄层灰岩、白云岩、石膏、岩盐,有时夹钙质页岩,底部有砾状灰岩。其碎屑物质主要来源于西部的康滇古陆。碳酸盐岩沉积中富含有孔虫,总体厚400—800米。与下伏下三叠统呈整合接触。嘉陵江组的下部,可能属三叠系下统的顶部。 嘉陵江组由两种岩层交叠组成(由老至新:石灰岩-白云岩-石灰岩-白云岩),反映此地从浅海到盐性海洋环境的反复变化过程。
建议盆地西南边缘地区勘探以三叠系嘉陵江组气藏为主。
It has been advised that Jialingjiang formation is the main prospecting formation in the southwestern edge area of Sichuan Basin.
麻柳场构造嘉陵江组地层岩石组成、孔隙结构和流体性质复杂,流体性质判别困难。
Because the petrographical composition, pore texture and fluid property in Jialingjiang section of Maliuchang structure are complicated, it is difficult to distinguish the fluid properties.
利用温泉井构造带嘉陵江组勘探和研究成果,对嘉陵江组气藏成藏条件开展了详细研究。
Based on the exploration and achievement in Jialingjiang Formation of Wenquanjing structural belts, the reservoir-forming condition in Jialingjiang Formation is carefully studied.
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