| 核磁共振技术在渭河盆地奥陶系储层评价中的应用 |
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| 引用本文： | 罗婷婷,周立发,刘志武.核磁共振技术在渭河盆地奥陶系储层评价中的应用[J].特种油气藏,2011,18(2):37-40,137. |
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| 作者姓名： | 罗婷婷 周立发 刘志武 |
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| 作者单位： | 1. 大陆动力学国家重点实验室西北大学,陕西西安,710069
2. 国土资源部成矿作用及其动力学开放研究实验室长安大学,陕西西安,710054 |
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| 基金项目： | 国家重大基础研究"973"项目 |
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| 摘 要： | 从渭河盆地内P井奥陶系岩心及岩屑的核磁共振分析入手,利用所获得的T2弛豫谱形态特征、可动流体百分数及孔隙度和渗透率数据,结合常规测井解释、岩石薄片显微鉴定及扫描电镜分析,对该井奥陶系碳酸盐岩储层特征进行了综合研究。同时,利用核磁共振测井资料,采用标准T2分布差异及差谱分析对奥陶系储层流体进行了识别。认为:渭河盆地P井奥陶系碳酸盐岩储层主要发育微孔隙,可动流体较少,在测量井段内并没有解释出含有油气的储层。核磁共振技术在渭河盆地P井奥陶系储层评价中得到了准确、快速的应用。
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| 关 键 词： | 油气资源评价 储层评价 核磁共振技术 渭河盆地 奥陶系 |
Application of NMR technology in Ordovician reservoir evaluation in the Weihe Basin |
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| LUO Ting-ting,ZHOU Li-fa,LIU Zhi-wu.Application of NMR technology in Ordovician reservoir evaluation in the Weihe Basin[J].Special Oil & Gas Reservoirs,2011,18(2):37-40,137. |
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| Authors: | LUO Ting-ting ZHOU Li-fa LIU Zhi-wu |
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| Affiliation: | 1.State Key Laboratory of Continental Dynamics,Northwest University,Xi′an,Shaanxi 710069,China;2.Open Laboratory of Mineralization and Dynamics,Ministry of Land and Resources,Chang’an University,Xi’an,Shaanxi 710054,China) |
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| Abstract: | The cores and cuttings from the Ordovician carbonate reservoir in Well P of the Weihe Basin are analyzed by NMR method to study reservoir characteristics by using T2 relaxation spectra characteristics,percentage of movable fluid,porosity and permeability data,combining with log interpretation,microscopic identification of rock thin section as well as scanning electron microscope analysis.The fluids in the Ordovician reservoir are identified with NMR log data according to standard T2 distribution difference ... |
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| Keywords: | evaluation of petroleum resources reservoir evaluation NMR technology Weihe Basin Ordovician |
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