吉林大学学报(地球科学版) ›› 2020, Vol. 50 ›› Issue (4): 968-978.doi: 10.13278/j.cnki.jjuese.20190168
• 地质与资源 • 上一篇
谭思哲, 侯凯文, 覃军, 汤睿, 杨敏
Tan Sizhe, Hou Kaiwen, Qin Jun, Tang Rui, Yang Min
摘要: 本文以西湖凹陷平湖组不同煤系烃源岩(煤、炭质泥岩和暗色泥岩)为研究对象,通过封闭体系黄金管-高压釜生烃动力热模拟实验,查明了3种煤系烃源岩生烃产物、产率特征及生烃演化规律的差异。研究结果表明:在西湖凹陷平湖组煤系烃源岩中,煤、炭质泥岩和暗色泥岩均具有很高的产气态烃能力和较高的产液态烃能力,但不同岩性样品的生烃演化模式存在一定差异。炭质泥岩生烃最早,生烃强度最大;煤居次,生烃稍晚,生烃强度稍低;暗色泥岩生烃最晚,生烃强度最低。根据热解生烃特征,指出西湖凹陷具有煤成油的勘探潜力,西部斜坡带是找油的有利区域。
中图分类号:
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