东营凹陷孔二段源岩有利烃源分布及南坡深层潜山气藏勘探
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摘要
东营凹陷南坡深层潜山勘探程度较低,孔二段烃源岩的生烃潜力及有利烃源分布是制约其勘探的重要成藏因素。首先从孔二段烃源岩的岩性颜色、生烃潜力地化指标、生物标志化合物特征等方面分析了其生烃潜力及发育特征;在此基础上,结合东营凹陷构造演化背景及孔二段地层发育特征,利用地震资料对孔二段烃源岩有利烃源分布进行了预测;同时,通过已钻井分析,建立了南坡深层潜山成藏模式,并在其指导下,结合孔二段有利烃源分布,对东营凹陷南坡深层潜山进行了综合评价。
The exploration degree of the south slope deep buried hill is very low. The hydrocarbon generation potential of the Ek2 formation hydrocarbon source rock and the favorable hydrocarbon source rock distribution are the important accumulation factors restricting its exploration. Firstly,the hydrocarbon generation potential and the developmental characteristics were analyzed from the lithology color and hydrocarbon generation potential geochemical indicadors,biomarker compound characteristics and so on three aspects. On this base,combined with the background of Dongying depression tectonic evolution and the formation developmental characteristics of the Ek2 formation,the favorable hydrocarbon source rock distribution of the Ek2 fomation was predicted using the seismic data.At the same time,the south slope of deep buried hill reservoir model was established by analyzing drilled wells.And under its guidance,combined with the favorable hydrocarbon source rock distribution of the Ek2 formation,the south slope deep buried hill of Dongying depression was carried on the comprehensive evaluation.
The exploration degree of the south slope deep buried hill is very low. The hydrocarbon generation potential of the Ek2 formation hydrocarbon source rock and the favorable hydrocarbon source rock distribution are the important accumulation factors restricting its exploration. Firstly,the hydrocarbon generation potential and the developmental characteristics were analyzed from the lithology color and hydrocarbon generation potential geochemical indicadors,biomarker compound characteristics and so on three aspects. On this base,combined with the background of Dongying depression tectonic evolution and the formation developmental characteristics of the Ek2 formation,the favorable hydrocarbon source rock distribution of the Ek2 fomation was predicted using the seismic data.At the same time,the south slope of deep buried hill reservoir model was established by analyzing drilled wells.And under its guidance,combined with the favorable hydrocarbon source rock distribution of the Ek2 formation,the south slope deep buried hill of Dongying depression was carried on the comprehensive evaluation.
引文
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9 孟江辉,刘洛夫,姜振学,等.东营凹陷南斜坡沙四下亚段-孔店组原油地球化学特征及成因分类.现代地质,2010;24(6):1085—1092Meng Jianghui,Liu Luofu,Jiang Zhenxue,et al.Characteristics and origin classification of the oils from the lower section of the 4th Member of Shahejie Formation and Kongdian Formation in the southern slope of dongying Depression,Bohai Bay Basin.Geoscience,2010;24 (6):1085—1092
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11 盖玉磊.东营凹陷孔二段烃源岩发育特征及生烃潜力.油气地质与采收率,2008;15(5):46—48Gai Yulei.Characteristics and hydrocarbon generation potential of Ek2source rocks in Dongying Depression.PGRE,2008;15(5):46—48
2 李素梅,庞雄奇,邱桂强,等.东营凹陷王家岗孔店组油气成因解析.沉积学报,2005;23(4):726—733Li Sumei,Pang Xiongqi,Qiu Guiqiang,et al.Origin of the deep oils from Kongdian Formation,Dongying Depression,Bohai Bay Basin.Acta Sedimentologica Sinica,2005;23(4):726—733
3 尹兵祥,王尚旭,杨国权,等.渤海湾盆地东营-惠民凹陷古近系孔店组孔二段地震相与沉积相.古地理学报,2004;6(1):49 —56Yin Bingxiang,Wang Shangxu,Yang Guoquan,et al.Seismic facies and sedimentary facies of the member 2 of Kongdian Formation of Paleogene in Dongying and Huimin Sags,Bohai Bay Basin.Journal of Palaeogeography,2004;6(1):49—56
4 安作相,马纪.渤海湾盆地的石油系统.油气地质与采收率,2002;9(3):43—48An Zuoxiang,Ma Ji.Petroleum system of Bohai Bay Basin.PGRE,2002;9(3):43—48
5 于建国,韩文功,于正军,等.济阳拗陷孔店组烃源岩的地震预测方法.石油地球物理勘探,2005;40(3):318—321Yu Jianguo,Han Wengong,Yu Zhengjun,et al.Seismic prediction of Kongdian group source rock in Jiyang Depression.OGP,2005;40(3):318—321
6 徐义卫.济阳坳陷八面河地区古近系孔店组油气成藏特征.石油与天然气地质,2011;32(3):352—359Xu Yiwei.Characteristics of hydrocarbon accumulation in the Paleogene Kongdian Formation of Bamianhe Area,the Jiyang Depression.Oil&Gas Geology,2011;32(3):352—359
7 王圣柱,金强,钱克兵,等.东营凹陷王家岗地区原油地球化学特征及成因类型.新疆石油地质,2006;27(6):704—707Wang Shengzhu,Jin Qiang,Qian Kebing,et al.Geochemical characteristics and origin classification of crude oil in Wangjiagang Area in Dongying Sag.Xinjiang Petroleum Geology,2006;27(6):704—707
8 袁彩萍,徐思煌,贾霍甫,等.渤海湾盆地东营凹陷孔店组烃源岩特征研究.石油实验地质,2006;28(2):177—181Yuan Caiping,Xu Sihuang,Jia Huofu,et al.Characteristics of source rock of the Kongdian formation in south slope of the Dongying Sag,the Bohaiwan Basin.Petroleum Geology&Experiment,2006;28 (2):177—181
9 孟江辉,刘洛夫,姜振学,等.东营凹陷南斜坡沙四下亚段-孔店组原油地球化学特征及成因分类.现代地质,2010;24(6):1085—1092Meng Jianghui,Liu Luofu,Jiang Zhenxue,et al.Characteristics and origin classification of the oils from the lower section of the 4th Member of Shahejie Formation and Kongdian Formation in the southern slope of dongying Depression,Bohai Bay Basin.Geoscience,2010;24 (6):1085—1092
10 杨品荣,陈洁,蔡进功,等.济阳坳陷构造转型期及其石油地质意义.油气地质与采收率,2001;8(3):5—7Yang Pinrong,Chen Jie,Cai Jingong,et al.Structural transitional stages in Jiyang Depression and Their Significance on Petroleum Geology.PGRE,2001;8(3):5—7
11 盖玉磊.东营凹陷孔二段烃源岩发育特征及生烃潜力.油气地质与采收率,2008;15(5):46—48Gai Yulei.Characteristics and hydrocarbon generation potential of Ek2source rocks in Dongying Depression.PGRE,2008;15(5):46—48
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