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李贤庆, , 肖贤明, 唐永春, 肖中尧, 米敬奎, 刘德汉, 申家贵, 刘金钟
科学通报,2004,49(S1):100~106,-0001,():
-1年11月30日
应用生烃动力学与碳同位素动力学方法,结合天然气藏形成的地质背景,研究了塔里木盆地库车拗陷依南-气藏天然气生成与聚集。依南2气藏天然气主要来源于库车拗陷阳霞凹陷中心中下侏罗统含煤岩系烃源岩,基本上属长期累积聚集气,主要聚集时间为0~5Ma,对应风为1.25%~1.95%天然气散失率为25%-30%.该研究,不仅弥补了传统的依据生、储、盖及圈闭的匹配关系来研究天然气藏形成模式的不足,而且对其他气藏的研究具有借鉴意义。
天然气形成, 生烃动力学, 碳同位素, 烃源岩, 依南2气藏 库车拗陷
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【期刊论文】The generation and accumulation of natural gas from Yinan 2 gas pool in Kuqa Depression
李贤庆, LI Xianqing, , XIAO Xianming, TANG Yongchun, XIAO Zhongyao, MI Jingkui, LIU Dehan, SHEN Jiagui & LIU Jinzhong
Chinese Science Bulletin 2004 Vol. 49 Supp.1 107-114,-0001,():
-1年11月30日
By using the methods of hydrocarbon generation kinetics and carbon isotope kinetics, combined with geological background of natural gas pool formation, the generation and accumulation of natural gas from Yinan 2 gas pool was studied in Kuqa Depression of the Tarim Basin. Natural gas of Yinan 2 gas pool is mainly' derived from Middle and Lower Jurassic coal-bearing source rocks, and generally belongs to long time-accumulated gas. It is suggested that Yinan 2 gas is chiefly accumulated in the last 5Ma, its Ro ranges from 1.25% to 1.95%, and the loss rate of natural gas is about 25%-30%. This work not only complements and reduces the deficiency of formation model of natural gas pools which traditionally depends on the matching relation-ships between source rock, reservoir, cap rock, and trap, but also is a useful reference in the study of other gas pools.
natural gas formation,, hydrocarbon generation kinetics,, carbon isotope,, source rock,, Ylnan 2 gas pool,, Kuqa Depression.,
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