柴达木盆地西南区第三纪地层对比与划分 |
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引用本文: | 姜营海,任世霞,王鹏,杨书逸,吕宗伦.柴达木盆地西南区第三纪地层对比与划分[J].地层学杂志,2013(1):58-61. |
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作者姓名: | 姜营海 任世霞 王鹏 杨书逸 吕宗伦 |
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作者单位: | 青海油田勘探开发研究院;青海油田钻采工艺研究院 |
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基金项目: | 中国石油天然气股份有限公司青海油田分公司科技项目(QH/JL-04-002)资助 |
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摘 要: | 柴达木盆地西南区是青海油田的主要产油区,该区第三纪地层对比划分一直没有统一,从而导致区域性勘探难度增加,影响该区的勘探进程和生产工作。在前人研究的基础上,以层序地层学为指导综合运用岩性、电性、古生物和地震等资料,通过对研究区单井资料的分析和对区域地层特征的研究,得出了柴西南区各地层层序内部特征与层序界面特征,从而建立了柴西南区统一的地层对比与划分标准。
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关 键 词: | 层序地层学 地层对比划分 层序内部特征 层序界面特征 第三系 柴达木盆地 青海 |
TERTIARY STRATIGRAPHIC CORRELATION AND SUBDIVISION IN THE SOUTHWESTERN QAIDAM BASIN |
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Institution: | JIANG Ying-hai 1 ) , REN Shi-xia 2 ) , WANG Peng 1 ) , YANG Shu-yi 1 ) and LZong-lun 1 ) 1 ) Petroleum Exploration and Development Research Institute Petrochina Qinghai Oilfield Company , Dunhuang736202 ; 2 ) Drilling & Production Technology Research Institute petrochina Qinghai Oilfield Company , Dunhuang736202 |
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Abstract: | The southwestern Qaidam Basin is a major oil-producing region in the Qinghai Oilfield.The stratigraphy of the Tertiary reservoir strata in the SW Qaidam Basin has not been standardized , thus hampering petroleum exploration.Based on previous work and synthesizing lithostratigraphic , well log , paleontological , and seismic data , we propose a sequence stratigraphic framework for the Tertiary of SW Qaidam Basin , with the goal to provide a standard for regional stratigraphic subdivision and correlation. |
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Keywords: | sequence-stratigraphy stratigraphic correlation and subdivision sequence boundary Tertiary Qaidam Basin Qinghai |
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