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二连盆地洪浩尔舒特凹陷下白垩统构造特征与沉积体系研究
引用本文:赵霞飞,孙平,史原鹏,李林波,牛成民,桂训康.二连盆地洪浩尔舒特凹陷下白垩统构造特征与沉积体系研究[J].矿物岩石,2002,22(4):59-65.
作者姓名:赵霞飞  孙平  史原鹏  李林波  牛成民  桂训康
作者单位:1. 成都理工大学,四川,成都,610059
2. 华北油田分公司,河北,任丘,062252
摘    要:在深入研究洪浩尔舒特凹陷大量岩芯、测井和地震资料的基础上,证实这一半地堑相似于北美东部裂谷,而不同于东非裂谷。同时发现边界断层各段位移量最小处为古河流入口地点,后者堆积横向的粗粒三角洲,使断陷被分割成若干次凹,导致构造和沉积的复杂化。断陷中,体系域发育受枢纽断层控制,LST主要分布于下降盘。在等时格架内,进行地震地层学-沉积相分析是掌握储层分布,揭示深部、隐蔽油藏的有力手段。最后判定该凹陷远景在于勘探LST的多种沉积体系。

关 键 词:二连盆地  洪浩尔舒特断陷  边界断层最小位移  横向粗粒三角洲  枢纽断层控制  油藏  岩芯  测井资料  地震资料
文章编号:1001-6872(2002)04-0059-07

STUDIES OF THE STRUCTURAL FEATURES AND DEPOSITIONAL SYSTEMS OF LOWER CRETACEOUS IN HONGHAOERSHUTE DEPRESSION ,ERLIAN BASIN
ZHAO Xia fei ,SUN Ping ,SHI Yuan pen ,LI Lin ,NIU Cheng min ,GUI Shunting .Chengdu University of Technology,Chengdu ,China, .Branch Company of Huabei Oil Field,Renqiu ,China.STUDIES OF THE STRUCTURAL FEATURES AND DEPOSITIONAL SYSTEMS OF LOWER CRETACEOUS IN HONGHAOERSHUTE DEPRESSION ,ERLIAN BASIN[J].Journal of Mineralogy and Petrology,2002,22(4):59-65.
Authors:ZHAO Xia fei  SUN Ping  SHI Yuan pen  LI Lin  NIU Cheng min  GUI Shunting Chengdu University of Technology  Chengdu  China  Branch Company of Huabei Oil Field  Renqiu  China
Institution:ZHAO Xia fei 1,SUN Ping 2,SHI Yuan pen 2,LI Lin 2,NIU Cheng min 2,GUI Shunting 21.Chengdu University of Technology,Chengdu 610059,China, 2.Branch Company of Huabei Oil Field,Renqiu 062252,China
Abstract:Detailed studies of a number of core sections,well logs and seismic data of Honghaoershute Depression revealed that the depression was similar to the Mesozoic rifts in Eastern rift of North America,but unlike those in eastern Africa.It is found that the boundary fault with minimum displacement served as inlets for paleostreams which loaded transverse coarse delta,inducing dissection of the depression into several sub depressions and leading to corresponding structural and depositional complexite.In the depression,distribution of the depositional systems tracts is controlled by hinge fault and LTS occurs mainly at the footwallIt is thought that seismo stratigraphic sedimentologic mapping within a synchronous network is a powerful approach for explorers to grasp reservoir distribution and reveal deeply buried accumulations.The praspect of the depression lies at multiple depositional systems in low stand system tracts of the Lower Cretaceous sequences.
Keywords:Honghaoershute fault depression  minimum displacement of boundary fault  transverse coarse delta  control of hinge fault  system tract of sedimentary facies
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