多点地质统计学建模在大庆密井网油田储量计算中的应用Application of multi-point geostatistics modeling in reserves calculation of a dense network area in Daqing
沈忠山,马雪晶,王家华,金力,刘倩
摘要(Abstract)：
为了说明多点地质统计学建模方法的优势,以大庆油田某密井网地区的一个层位为例,分别利用多点地质统计学、序贯指示和示性点过程3种建模方法,获得了相应的沉积相模型及相控下的物性参数模型.依3种模型为基础,采用容积法计算了该层位的单元储量,求取了概率储量P90、P50和P10,并对3种建模方法计算的结果进行了比较.结果表明:多点地质统计建模方法产生的沉积微相图和孔隙度、渗透率、含油饱和度模型最具有地质意义,河道形态清晰,且具有较好的连续性;利用多点地质统计学建模方法获得的储量的方差最小,不确定性最小.
关键词(KeyWords)： 地质建模;多点统计学建模;储量计算;概率储量;密井网;大庆油田
基金项目(Foundation): 国家自然科学基金“曲流河储层建模的自回避随机游走方法研究”(编号:50874091)
作者(Author): 沈忠山,马雪晶,王家华,金力,刘倩
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