台北凹陷鄯勒地区西山窑组一、二段物源分析
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摘要
鄯勒地区西山窑组一、二段是一套煤系地层,是鄯勒油田的主力含油段,因此物源方向的确定对研究沉积相及其砂体展布特征具有重要意义。通过碎屑组分、重矿物组合、砂岩体积分数、地震等,对研究区西山窑组一、二段物源进行综合研究,认为鄯勒地区西山窑组一段(J2X1)是南部和北部2大物源体系共同作用的产物;西山窑组二段(J2X2)主要受到南部物源影响。北部物源控制下的砂体以扇三角洲沉积为特征,沉积物来自博格达山;南部物源体系控制下的砂体以三角洲沉积为特征,沉积物来自觉罗塔格山。
The first and the second members of Xishanyao Formation in Shanle Area are coal measure strata and they are the main oil-bearing horizons,so the determination of provenance direction of Xishanyao Formation is significant for researching the characteristics of sedimentary facies and sandstone bodies distribution.According to the clastic component,heavy mineral assemblage,sand content and seismic data,this paper analyzed the provenance of the first and the second members of Xishanyao Formation in Shanle Area.The study shows that the first member of Xishanyao Formation is a common result that the provenance systems come from the south and north,the second member of Xishanyao Formation is only affected by the provenance system coming from south.The sandstone bodies controlled by the north provenance system are characterized by fan delta deposition and the sediments come from Bogeda Mountain.The sandstone bodies controlled by the south provenance system are characterized by delta deposition and the sediments come from Jueluotage Mountain.
The first and the second members of Xishanyao Formation in Shanle Area are coal measure strata and they are the main oil-bearing horizons,so the determination of provenance direction of Xishanyao Formation is significant for researching the characteristics of sedimentary facies and sandstone bodies distribution.According to the clastic component,heavy mineral assemblage,sand content and seismic data,this paper analyzed the provenance of the first and the second members of Xishanyao Formation in Shanle Area.The study shows that the first member of Xishanyao Formation is a common result that the provenance systems come from the south and north,the second member of Xishanyao Formation is only affected by the provenance system coming from south.The sandstone bodies controlled by the north provenance system are characterized by fan delta deposition and the sediments come from Bogeda Mountain.The sandstone bodies controlled by the south provenance system are characterized by delta deposition and the sediments come from Jueluotage Mountain.
引文
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[2]徐论勋,杨申谷,李建民,等.台北凹陷七克台构造中侏罗统碎屑岩储层成岩作用[J].新疆地质,2004,22(4):400-405.Xu Lunxun,Yang Shengu,Li Jianmin,et al.The diagenesis of claticrock reservoirs in the Qiketai structures of the Taibei Depressionduring the middle series of the Jurassic system[J].Xinjiang Geology,2004,22(4):400-405.
[3]张虎权,于均民,李在光,等.气藏综合描述在吐哈盆地鄯勒地区第三系浅层气藏描述中的应用[J].天然气地球科学,2004,15(1):62-67.Zhang Huquan,Yu Junmin,Li Zaiguang,et al.Application of gas poolintegrated description techinque in Tertiary shallow gas pool in shanleArea,Turpan Basin[J].Natural Gas Geoscience,2004,15(1):62-67.
[4]郑雷清.吐哈盆地鄯勒地区浅层气层识别方法研究[J].吐哈油气,2004,9(1):17-19.Zheng Leiqing.Identification of the shallow gas reservoir in ShanleArea,Tuha Basin[J].Tuha Oil&Gas,2004,9(1):17-19.
[5]李文厚.吐哈盆地台北凹陷侏罗系层序地层学研究[J].石油与天然气地质,1997,18(3):210-215.Li Wenhou.Sequence stratigrphy of Jurassic in Taibei Sag,Tuha Basin[J].Oil&Gas Geologe,1997,18(3):210-215.
[6]张代生,李成明.吐哈盆地台北凹陷沉积体系变迁对油气分布的控制[J].石油与天然气地质,2000,21(1):71-75.Zhang Daisheng,Li Chengming.Controlling the changes ofdepositional system to hydrocarbon distribution in Taibei Sag,TuhaBasin[J].Oil&Gas Geolocy,2000,21(1):71-75.
[7]应凤祥.中国含油气盆地碎屑岩储集层成岩作用与成岩数值模拟[M].北京:石油工业出版社,2004.Ying Fengxiang.Diagenesis and numerical simulation in clasticreservoir of petroliferous basin in China[M].Beijing:PetroleumIndustry Press,2004.
[8]李森明,梁浩,蒋新义.吐哈盆地台北凹陷鄯勒地区西山窑组物源分析[J].河南石油,2005,19(6):16-18.Li Sengming,Liang Hao,Jiang Xinyin.Provenance analysis of theXishanyao Formation in Shanle Area in Taibei Sag,Turpan-HarmiBasin[J].Henan Petroleum,2005,19(6):16-18.
[9]姜在兴.沉积学[M].北京:石油工业出版社,2003.Jiang Zaixing.Sedimentology[M].Beijing:Petroleum Industry Press,2003.
[10]徐田武,王英民,曾溅辉.苏北盆地泰州组一段重矿物组合特征及物源分析[J].石油天然气学报,2007,29(6):43-48.Xu Tianwu,Wang Yingmin,Zeng Jianhui,et al.Characteristics ofheavy mineral source analysis in the 1st member of Taizhou Formationin Subei Basin[J].Journal of Oil and Gas Technology,2007,29(6):43-48.
[11]李博.西峰—合水地区长6、长8沉积相古水流方向与物源研究[D].西安:西北大学,2006.Li bo.Analysis for depositional facies,palecurrent and prowenance ofthe Chang 8 and Chang 6 Menber in Xifeng-Heshui region,OrdosBasin[D].Xi′an:Northwest University,2006.
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