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Reservoir Classification Using Nuclear Magnetic Resonance Logging in Hailaer Basin,Daqing Oilfield
Author(s): 
Pages: 191-195
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  核磁共振测井横向弛豫时间谱(T2谱)毛细管压力孔隙结构储层分类标准;
Abstract: 大庆油田海拉尔地区岩性复杂,孔隙结构差异大,应用常规测井方法无法准确划分储层.应用核磁共振测井资料处理得到的孔径分布曲线可明显看出储层微小孔隙及大孔隙的发育程度,直观准确地划分储层与非储层;利用核磁共振T2分布曲线还可计算出连续的毛细管压力曲线.综合应用核磁共振和试油资料,建立了海拉尔盆地南屯组储层定量分类标准,将储层分为Ⅰ、Ⅱ、Ⅲ类.应用该方法在海拉尔盆地处理解释16口井,经试油资料验证符合率达到95%以上.该方法弥补了利用常规测井和岩心毛细管压力曲线进行储层分类的不足,解决了海拉尔盆地储层分类评价的难题.
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