[an error occurred while processing this directive] 世界地质 2020, 39(3) 617-625 DOI:   10.3969/j.issn.1004-5589.2020.03.011  ISSN: 1004-5589 CN: 22-1111/P

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本文关键词相关文章
梨树断陷
高—过成熟烃源岩
有机碳恢复系数
产烃率
生烃潜力
本文作者相关文章
李忠博
PubMed
Article by Li Z
松辽盆地梨树断陷高—过成熟烃源岩生烃潜力评价
李忠博
中国石化东北油气分公司勘探开发研究院, 长春 130062
摘要: 为准确认识松辽盆地梨树断陷高—过成熟烃源岩生烃潜力,有效推动梨树断陷油气勘探,笔者结合梨树断陷烃源岩发育特征,在梨树断陷双龙次凹优选低成熟烃源岩样品,开展地层孔隙热压模拟实验,建立了高—过成熟烃源岩有机碳恢复系数曲线和产烃率曲线,重新落实梨树断陷不同层系优质烃源岩空间展布特征和生烃潜力。结果表明,梨树断陷高—过成熟烃源岩有机碳恢复系数为1.4~2.4,总产烃率为(320~500)mg/g.TOC,总生烃量达33 821×106 t油当量,其中沙二段为最主要的生烃层系,主力生烃区位于梨树断陷中部的洼陷带及其临近的八屋—十屋、东部斜坡、北部斜坡和小宽南地区。
关键词 梨树断陷   高—过成熟烃源岩   有机碳恢复系数   产烃率   生烃潜力  
Hydrocarbon generation potential evaluation of high and over matured source rocks in Lishu fault depression,Songliao Basin
LI Zhong-bo
Exploration and Development Institute of Northeast Oil&Gas Company, China Petroleum&Chemical Corporation, Changchun 130062, China
Abstract: To evaluate the hydrocarbon generation potential of the high and over matured source rocks, and promote oil and gas exploration effectively in Lishu fault depression, Songliao Basin,the samples of low mature hydrocarbon source rocks from Shuanglong sub-depression in Lishu fault depression are collected according to the characteristics of source rocks. Then high temperature and pressure simulation experiments on the formation porosity are carried out, the organic carbon restoration coefficient curve and hydrocarbon yield of high and over matured source rocks are established, and the spatial distribution and hydrocarbon generation potential of high quality source rocks in different layers of Lishu fault depression are implemented. The results show that the organic carbon restoration coefficients of high and over matured source rocks in Lishu fault depression range from 1.4 to 2.4, the total carbon yield ranges from 320 to 500 mg/g.TOC. Total hydrocarbon generated is 33 821×106 t (oil equivalent). Sha-2 Member is the most important hydrocarbon generation layer. The major hydrocarbon generation areas are the central depression belt of Lishu fault depression and the adjacent areas, including Bawu-Shiwu, eastern slope, northern slope and southern Xiaokuan area.
Keywords: Lishu fault depression   high and over matured source rocks   organic carbon restoration coefficient   hydrocarbon yield   hydrocarbon generation potential  
收稿日期 2020-05-06 修回日期 2020-06-03 网络版发布日期  
DOI: 10.3969/j.issn.1004-5589.2020.03.011
基金项目:

中国石化科技攻关项目(P17014)

通讯作者: 李忠博(1986-),男,主要从事石油地质综合研究及油气勘探方面的工作。E-mail:240723159@qq.com
作者简介:
作者Email: 240723159@qq.com

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