鄯勒油田西山窑组沉积特征及沉积演化模式
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摘要
在对鄯勒区域地质资料、地震数据、测井及岩芯资料分析的基础上,研究了鄯勒油田沉积特征及沉积演化模式.结果表明:鄯勒地区西山窑组发育三角洲、扇三角洲和湖泊三种沉积相类型;以北部博格达山为物源的扇三角洲沉积主要发育在研究区北部的西山窑组一段,南部以觉罗塔格山为物源的三角洲沉积在西山窑组一、二段广泛发育,而湖相沉积主要分布于西山窑组三段和四段;在南北双向物源的控制下研究区主要经历了3个沉积演化阶段,即西山窑组一段南北双向混源、湖盆充填式沉积阶段,二段南部稳定的三角洲沉积阶段和三、四段深水体、广水域的扩张沉积阶段.
Based on the analysis of the regional geology,seismic data,logging data and core data,the sedimentary characteristics and sedimentary model of Xishanyao formation in Shanle oilfield were investigated.The results show that lacustrine,delta,and fan delta facies are the three types of sedimentary facies in the Xishanyao formation.Fan delta deposit which originated from the Bogda mountain in the Northern part is mainly developed in the first segment of Xishanyao formation,while in the south,delta deposit originated from the Jueluotage mountain is widely developed in the first and second segments of Xishanyao formation.Lacustrine deposit is mainly distributed in the third and fourth segments of Xishanyao formation.Under the control of North-South bidirectional sources,Xishanyao formation underwent three main stages of sedimentary evolution:the lake basin-filling phase controlled by North-South bidirectional sources of the first segment of Xishanyao formation,the North steady delta sedimentation phase of the second segment and the deep-vast water expansion sedimentation phase of the third and fourth segments.
Based on the analysis of the regional geology,seismic data,logging data and core data,the sedimentary characteristics and sedimentary model of Xishanyao formation in Shanle oilfield were investigated.The results show that lacustrine,delta,and fan delta facies are the three types of sedimentary facies in the Xishanyao formation.Fan delta deposit which originated from the Bogda mountain in the Northern part is mainly developed in the first segment of Xishanyao formation,while in the south,delta deposit originated from the Jueluotage mountain is widely developed in the first and second segments of Xishanyao formation.Lacustrine deposit is mainly distributed in the third and fourth segments of Xishanyao formation.Under the control of North-South bidirectional sources,Xishanyao formation underwent three main stages of sedimentary evolution:the lake basin-filling phase controlled by North-South bidirectional sources of the first segment of Xishanyao formation,the North steady delta sedimentation phase of the second segment and the deep-vast water expansion sedimentation phase of the third and fourth segments.
引文
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[13]姜在兴.沉积学[M].北京:石油工业出版社,2003:375-402.
[14]赵澄林,朱筱敏.沉积岩石学[M].北京:石油工业出版社,2001:253-324.
[2]吴青鹏,郭精义,李红哲,等.鄯勒构造带油气成藏主控因素和成藏规律[J].天然气地球科学,2006,17(1):97-101.WU Qing-peng,GUO Jing-yi,LI Hong-zhe,et al.An analysis of main control factors and accumulation patterns of gas reservoirs in Shanle structural prov-ince[J].Natural Gas Geoscience,2006,17(1):97-101.
[3]古莉,于兴河,万玉金,等.冲积扇相储层沉积微相分析:以吐哈盆地鄯勒油气田第三系气藏为例[J].天然气地球科学,2004,15(1):82-86.GU Li,YU Xing-he,WAN Yu-jin,et al.Sedi men-tary facies of the forth sub-member of the shanshan formation at shanle oil and gas fieldin tuha basin[J].Natural Gas Geoscience,2004,15(1):82-86.
[4]吴少波.博格达山前凹陷上二叠统乌拉泊组沉积相及沉积模式[J].沉积学报,2001,19(3):333-339.WU Shao-bo.Sedi mentary facies and depositional model of Wulabo formation,upper Permian series in Bogeda piedmont depression,Junggar basin[J].Acta Sedi mentologica Sinica,2001,19(3):333-339.
[5]张振英,邵龙义,张世焕,等.吐哈盆地台北凹陷西部弧形构造带混源原油特征[J].石油学报,2005,26(2):15-20.ZHANG Zhen-ying,SHAO Long-yi,ZHAN Shi-huan,et al.Distribution of mixed crude in western arc structural belt of Taibei depressionin Turpan-Ha-mi basin[J].Acta Petrolei Sinica,2005,26(2):15-20.
[6]李文厚,林晋炎,袁明生,等.吐鲁番-哈密盆地的两种粗碎屑三角洲[J].沉积学报,1996,14(3):113-121.LI Wen-hou,LIN Jin-yan,YUAN Ming-sheng,et al.Two types of coarse claslic delta in Turpan-Hami basin[J].Acta Sedi mentologica Sinica,1996,14(3):113-121.
[7]姚丽景,于炳松,樊太亮,等.吐鲁番坳陷中—下侏罗统沉积体系再认识[J].现代地质,2007,21(2):397-405.YAO Li-jing,YU Bing-song,FAN Tai-liang,et al.Sedi mentary system rerecognition of Mid-Lower Ju-rassic in Turpan depression[J].Geoscience,2007,21(2):397-405.
[8]赵长毅.煤成油生成、运移与油气藏形成[J].中国矿业大学学报,1999,28(1):65-68.ZHAO Chang-yi.Generation,expulsion and accumu-lation of oil derived from coal[J].Journal of China University of Mining&Technology,1999,28(1):65-68.
[9]程晓敢,廖林,陈新安,等.塔里木盆地东南缘侏罗纪沉积相特征与古环境再造[J].中国矿业大学学报,2008,37(4):519-525.CHENG Xiao-gan,LIAOlin,CHEN Xin-an,et al.Jurassic sedi mentary facies and Paleo-environmental reconstruction of southeastern Tari m basin,north-western China[J].Journal of China University of Mining&Technology,2008,37(4):519-525.
[10]罗水亮,林承焰,翟启世,等.滨南油田毕家地区沙三下亚段沉积特征及沉积模式[J].中国石油大学学报:自然科学版,2009,32(2):12-17.LUO Shui-liang,LIN Cheng-yan,ZHAI Qi-shi,et al.Reservoir sedi mentation characteristics and sedi-mentation model of lower Es3of Bijia block in Bin-nan oilfield[J].Journal of China University of Pe-troleum:Edition of Natural Science,2009,32(2):12-17.
[11]庞雯,郑浚茂.轮南地区三叠系辫状河三角洲沉积储层特征[J].西南石油大学学报:自然科学版,2008,30(1):58-62.PANG Wen,ZHENG Jun-mao.Sedi mentary char-acteristic and physical property of braid delta of Tri-assic in Lunnan region[J].Journal of Southwest Pe-troleum University:Science&Technology Edition,2008,30(1):58-62.
[12]薛庆远.山东腾南矿区山西组浅水三角洲的沉积构成和聚煤特征[J].中国矿业大学学报,1995,24(2):43-51.XUE Qing-yuan.Depositional architectures and coal-forming features of shallow-water delta system in the Tengnan coal mining distract Shangdong province[J].Journal of China University of Mining&Technology,1995,24(2):43-51.
[13]姜在兴.沉积学[M].北京:石油工业出版社,2003:375-402.
[14]赵澄林,朱筱敏.沉积岩石学[M].北京:石油工业出版社,2001:253-324.
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