海拉尔盆地查干诺尔凹陷下白垩统层序地层学研究
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摘要
依据岩心、测井、录井和地震资料,以层序地层学理论为指导对海拉尔盆地查干诺尔凹陷下白垩统的扎赉诺尔群进行层序地层划分。扎赉诺尔群可划分为1个超层序,形成于凹陷断陷发育期,自下而上可划分为5个三级层序(Sq1、Sq2、Sq3、Sq4、Sq5)。进而在层序框架内对沉积体系和生、储、盖发育特征进行了分析,预测了储集层有利发育区带。指出各个断阶带、斜坡带沉积的冲积扇、扇三角洲砂体和超层序的退积型层序组(Sq2、Sq3)发育的湖底扇砂体是油气良好的储集场所,是有利的勘探目标。
Based on the theories and methods of sequence stratigraphy,sequence stratigraphic framework has been established in Chagannuoer depression of Hailaer basin by using core logging and 3-D seismic.Zhalainuoer group of K1 is a super sequence,which can be divided into five third order sequences(Sq1,Sq2,Sq3,Sq4,and Sq5).Sedimentation volumes and the characters of source-reservoir-cap combination have been analyzed and the favorable reservoir area was predicted within the sequence stratigraphic framework.Alluvial fan sands or fan delta sands that was deposited in palaeoslope zone or fault terrace belt and sublacustrine fan sands that was deposited in retrograding sequence groups(Sq2,Sq3)of this super sequence are good reservoir strata,they are the favorable exploration targets.
Based on the theories and methods of sequence stratigraphy,sequence stratigraphic framework has been established in Chagannuoer depression of Hailaer basin by using core logging and 3-D seismic.Zhalainuoer group of K1 is a super sequence,which can be divided into five third order sequences(Sq1,Sq2,Sq3,Sq4,and Sq5).Sedimentation volumes and the characters of source-reservoir-cap combination have been analyzed and the favorable reservoir area was predicted within the sequence stratigraphic framework.Alluvial fan sands or fan delta sands that was deposited in palaeoslope zone or fault terrace belt and sublacustrine fan sands that was deposited in retrograding sequence groups(Sq2,Sq3)of this super sequence are good reservoir strata,they are the favorable exploration targets.
引文
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7Reymond B A,Stampfli G M.Three-dimensional sequence stratigraphy and subtle stratigraphy traps associated with system tract west Cameron region,Offshore Louisiana,Gulf of Mexico[J].Marine Petroleum Ge-olology,1996,13(2):41-60
8胡受权,郭文平,杨凤根,等.试论控制断陷湖盆陆相层序发育的影响因素[J].沉积学报,2001,19(2):256-262[Hu Shouquan,Guo Wenping,Yang Fenggen,et al.Study on influential factors of terrige-nous sequence formation and development in fault-depressed lacustrine basin[J].Acta Sedimentologica Sinica,2001,19(2):256-262]
9李继红,魏魁生,厉大亮,等.非海相沉积层序的成因和构型特征[J].沉积学报,2002,20(3):409-415[Li Jihong,Wei Kuisheng,Li Daliang,et al.Genetic&architectural characteristics of non-marine depositional sequence[J].Acta Sedimentologica Sinica,2002,20(3):409-415]
10郭建华,刘辰生,朱锐.阿克库勒地区三叠系层序地层学及储集砂体成因类型[J].沉积学报,2007,25(2):169-176[Guo Yuehua,Liu Chensheng,Zhu Rui.Sequence stratigraphy and sandbody genetic types of Triassic System in Akekule Area[J].Acta Sedimentologica Sinica,2007,25(2):169-176]
2朱筱敏.层序地层学[M].山东东营:石油大学出版社,2002:1-10[Zhu Xiaomin.Sequence Stratigraphy[M].Dongying Shandong:Uni-versity of Petroleum Press,2002:1-10]
3徐怀大,王世风,陈开远.地震地层学解释基础[M].武汉:中国地质大学出版社,1990:26-35[Xu Huaida,Wang Shifeng,Chen Kaiyuan.The Basic Interpretation of Seismic Stratigraphy[M].Wu-han:China University of Geosciences Press,1990:26-35]
4叶泰然,郑荣才,文华国.高分辨率层序地层学在鄂尔多斯盆地苏里格气田苏6井区下石盒子组砂岩储层预测中的应用[J].沉积学报,2006,24(2):259-266[Ye Tairan,Zheng Rongcai,Wen Guohua.Application of high-resolution sequence stratigraphy to the sand reser-voir prediction for6th member of Lower Shihezi Formation in Sulige Gas Field,Ordos Basin[J].Acta Sedimentologica Sinica,2006,24(2):259-266]
5刘招君,董清水,王嗣敏,等.陆相层序地层导论及应用[M].北京:石油工业出社,2002:1-130[Liu Zhaojun,Dong Qingshui,Wang Simin,et al.Continental Sequence Stratigraphy Introduction and Appli-cation[M].Beijing:Petroleum Industry Press,2002:1-130]
6张守昌,李晨,张泽惠,等.地震技术在隐蔽油气藏勘探中的应用[J].特种油气藏,2001,8(3):13-16[Zhang Shouchang,Li Chen,Zhang Zehui,et al.The application of seismic technology to the explo-ration of oil and gas accumulation[J].Special Oil and Gas Reservoir,2001,8(3):13-16]
7Reymond B A,Stampfli G M.Three-dimensional sequence stratigraphy and subtle stratigraphy traps associated with system tract west Cameron region,Offshore Louisiana,Gulf of Mexico[J].Marine Petroleum Ge-olology,1996,13(2):41-60
8胡受权,郭文平,杨凤根,等.试论控制断陷湖盆陆相层序发育的影响因素[J].沉积学报,2001,19(2):256-262[Hu Shouquan,Guo Wenping,Yang Fenggen,et al.Study on influential factors of terrige-nous sequence formation and development in fault-depressed lacustrine basin[J].Acta Sedimentologica Sinica,2001,19(2):256-262]
9李继红,魏魁生,厉大亮,等.非海相沉积层序的成因和构型特征[J].沉积学报,2002,20(3):409-415[Li Jihong,Wei Kuisheng,Li Daliang,et al.Genetic&architectural characteristics of non-marine depositional sequence[J].Acta Sedimentologica Sinica,2002,20(3):409-415]
10郭建华,刘辰生,朱锐.阿克库勒地区三叠系层序地层学及储集砂体成因类型[J].沉积学报,2007,25(2):169-176[Guo Yuehua,Liu Chensheng,Zhu Rui.Sequence stratigraphy and sandbody genetic types of Triassic System in Akekule Area[J].Acta Sedimentologica Sinica,2007,25(2):169-176]
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