松辽盆地西缘高力板断陷油气勘探层系及资源前景
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摘要
以探查松辽盆地西缘高力板断陷油气资源前景为目的实施的高D1井,在巨厚层中生代火山岩之下钻遇中侏罗统万宝组、上二叠统林西组两套油气勘探层系。根据高D1井资料,探讨研究区地层充填序列及沉积特征,分析高D1井暗色泥岩有机地球化学特征。结果表明:万宝组沉积环境为扇三角洲前缘沉积亚相,林西组沉积环境为滨浅湖和半深湖沉积亚相。万宝组烃源岩有机质丰度高、有机质类型为Ⅱ1型,整体处于低熟—成熟阶段,具备较好的生烃物质基础;林西组烃源岩有机质丰度中等,有机质类型以Ⅱ1型为主,整体处于成熟阶段,具有良好的生气前景。中侏罗统万宝组和上二叠统林西组生储盖组合完整,可以作为松辽盆地西缘油气勘探的新层系。
For the purpose of exploring the oil and gas resource prospect of the Gaoliban Fault Depression in the west edge of Songliao Basin,the well GD1 was carried out,it struck two layer series of oil and gas exploration under the huge thick Mesozoic volcanic rock,the Middle Jurassic Wanbao Formation and the Upper Permian Linxi Formation,respectively.The sedimentary environment of Wanbao Formation is frontal subfacies of fan delta and the sedimentary environment of Linxi Formation is shore-shallow to semi-deep lacustrine sedimentary subfacies.The organic geochemical characteristics of dark mudstone in this well are analyzed,the results show that source rocks of Wanbao Formation has a higher abundance in organic material,the type of organic matter is mainly byⅡ1-type,organic matter is overall in the stage of low maturation and maturation,it has a good hydrocarbon generating material basis;the source rocks of Linxi Formation has a medium abundance in organic material,the type of organic matter is mainly byⅡ1-type,organic matter is overall in the stage of maturation,it has a good prospect of producing gas.The Middle Jurassic Wanbao Formation and the Upper Permian Linxi Formation can be used as new strata for oil and gas exploration in the west edge of Songliao Basin.
For the purpose of exploring the oil and gas resource prospect of the Gaoliban Fault Depression in the west edge of Songliao Basin,the well GD1 was carried out,it struck two layer series of oil and gas exploration under the huge thick Mesozoic volcanic rock,the Middle Jurassic Wanbao Formation and the Upper Permian Linxi Formation,respectively.The sedimentary environment of Wanbao Formation is frontal subfacies of fan delta and the sedimentary environment of Linxi Formation is shore-shallow to semi-deep lacustrine sedimentary subfacies.The organic geochemical characteristics of dark mudstone in this well are analyzed,the results show that source rocks of Wanbao Formation has a higher abundance in organic material,the type of organic matter is mainly byⅡ1-type,organic matter is overall in the stage of low maturation and maturation,it has a good hydrocarbon generating material basis;the source rocks of Linxi Formation has a medium abundance in organic material,the type of organic matter is mainly byⅡ1-type,organic matter is overall in the stage of maturation,it has a good prospect of producing gas.The Middle Jurassic Wanbao Formation and the Upper Permian Linxi Formation can be used as new strata for oil and gas exploration in the west edge of Songliao Basin.
引文
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[2]李世臻.内蒙古突泉盆地突参1井施工现场及所获原油[J].地球学报,2015,36(1):封面故事.LI Shizhen.Construction site of well Tucan1in the Tuquan Basin of Inner Mongolia as well as the extracted crude oil[J].Acta Geoscientica Sinica,2015,36(1):Cover story.
[3]陈树旺,张健,公繁浩,等.内蒙古突泉盆地侏罗系油气发现及工作展望[J].地质与资源,2015,24(1):1-6.CHEN Shuwang,ZHANG Jian,GONG Fanhao,et al.Discovery and prospects of the Jurassic oil and gas in Tuquan Basin,Inner Mongolia[J].Geology and Resources,2015,24(1):1-6.
[4]陈树旺,公繁浩,杨建国,等.松辽盆地外围油气基础地质调查工程进展与未来工作方向[J].中国地质调查,2016,3(6):1-9.CHEN Shuwang,GONG Fanhao,YANG Jianguo,et al.Progress and orientation of the project about fundamental geological survey on oil and gas resources in the periphery area of Songliao Basin[J].Geological Surevy of China,2016,3(6):1-9.
[5]方慧,钟清,陈树旺.内蒙古突泉盆地双低阻层的发现及其地质意义向[J].地质通报,2013,32(8):1253-1259.FANG Hui,ZHONG Qing,CHEN Shuwang.The discovery of two conductive layers in Tuquan Basin,Inner Mongolia,and its geological significance[J].Geological Bulletin of China,2013,32(8):1253-1259.
[6]陈小斌,赵国泽.自动构建大地电磁二维反演的测点中心网格[J].地球物理学报,2009,52(6):1564-1572.CHEN Xiaobin,ZHAO Guoze.Automatic construction of a Site-Centered Grid(SCG)for 2D magnetotelluric inversion[J].Chinese Journal of Geophysics,2009,52(6):1564-1572.
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[8]王友勤,苏养正,刘尔义.东北区区域地层[M].武汉:中国地质大学出版社,1997:150-175.WANG Youqin,SU Yangzheng,LIU Eryi.Regional stratigraphy of Northeast China[M].Wuhan:China University of Geosciences press,1997:150-175.
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[12]黑龙江省地矿局.黑龙江省区域地质志[M].北京:地质出版社,1993:100-734.Bureau of Geology and Mineral Resources of Heilongjiang Province.Regional geology of Heilongjiang Province[M].Beijing:Geological Publishing House,1993:100-734.
[13]丁秋红,陈树旺,张立君,等.松辽盆地外围油气新区中生代地层研究新进展[J].地质通报,2013,32(8):1159-1175.DING Qiuhong,CHEN Shuwang,ZHANG Lijun,et al.New research progress of the Mesozoic strata in new areas on the periphery of Songliao Basin[J].Geological Bulletin of China,2013,32(8):1159-1175.
[14]许坤,杨建国,陶明华,等.中国北方侏罗系(Ⅶ):东北地层区[M].北京:石油工业出版社,2003:51-60.XU Kun,YANG Jianguo,TAO Minghua,et al.Jurassic system in the North of China,VolumeⅦ:the stratigraphic region of Northeast China[M].Beijing:Petroleum Industry Press,2003:51-60.
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[17]苏飞,李臻,张健,等.内蒙古突泉盆地突D2井上二叠统林西组烃源岩新发现[J].地质与资源,2017,26(3):268-274.SU Fei,LI Zhen,ZHANG Jian,et al.Discovery of the source rock from Upper Permian Linxi Formation from well TD2in Tuquan Basin,Inner Mongolia[J].Geology and Resources,2017,26(3):268-274.
[18]卢双舫,张敏.油气地球化学[M].北京:石油工业出版社,2008:171-226.LU Shuangfang,ZHANG Min.Petroleum geochemistry[M].Beijing:Petroleum Industry Press,2008:171-226.
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[20]蒋兴超,陈树旺,唐友军,等.内蒙古突泉盆地ZK-WJT钻井下侏罗统红旗组生烃潜力[J].地质通报,2013,32(8):1236-1242.JIANG Xingchao,CHEN Shuwang,TANG Youjun,et al.The evaluation of hydrocarbon production potential of well ZK-WJT in Lower Jurassic Hongqi Formation within Tuquan Basin of Inner Mongolia[J].Geological Bulletin of China,2013,32(8):1236-1242.
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[22]张健,卞雄飞,苏飞,等.内蒙古扎鲁特地区鲁D1井上二叠统林西组生烃潜力研究[J].石油天然气学报,2013,35(10):63-67.ZHANG Jian,BIAN Xiongfei,SU Fei,et al.Evaluation on hydrocarbon genetic potential of Linxi Formation of Upper Permian in well Lu D1in Zhalute Area of Inner Mongolia[J].Journal of Oil and Gas Technology,2013,35(10):63-67.
[23]陈树旺,丁秋红,郑月娟,等.松辽盆地外围新区、新层系—油气基础地质调查进展与认识[J].地质通报,2013,32(8):1147-1158.CHEN Shuwang,DING Qiuhong,ZHENG Yuejuan,et al.New areas and series of strata on the periphery of Songliao Basin:the progress and recognition based on foundational geological survey for oil and gas resources[J].Geological Bulletin of China,2013,32(8):1147-1158.
[24]张金川,金之钧,袁明生.页岩气成藏机理和分布[J].天然气工业,2004,24(7):15-18.ZHANG Jinchuan,JIN Zhijun,YUAN Mingsheng.Reservoiring mechanism of shale gas and its distribution[J].Natural Gas Industry,2004,24(7):15-18.
[25]赵佳楠,陈永进,姜文斌.松辽盆地南部白垩系青山口组页岩气储层评价及生储有利区预测[J].东北石油大学学报,2013,37(2):26-36.ZHAO Jianan,CHEN Yongjin,JIANG Wenbin.Shale gas reservoir evaluation and prediction of the shale reservoir's favorable zone in the cretaceous Qingshankou Formation of the southern Songliao Basin[J].Journal of Northeast Petroleum University,2013,37(2):26-36.
[26]邓鑫,康志宏,陈阳阳,等.川渝鄂地区龙马溪组页岩沉积环境及储集特征[J].东北石油大学学报,2018,42(2):80-87.DENG Xin,KANG Zhihong,CHEN Yangyang,et al.Sedimentary environment and reservoir characteristics of Longmaxi Formation shale in Sichuan Chongqing and Hubei Area[J].Journal of Northeast Petroleum University,2018,42(2):80-87.