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Log Evaluation of Quick Sedimentation Reservoir in The Oilfield
Author(s): 
Pages: 186-190
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  测井评价快速沉积储集层含水饱和度束缚水低电阻率压力亏空;
Abstract: 某油田为背斜背景下的构造、岩性双重控制油藏,以快速沉降、快速充填为特征.在岩心分析数据和试油试采资料的基础上,从岩性、物性、含油性等角度分析储层特点,指出高粘土束缚水和高毛细管束缚水是造成该油田储集层低电阻率的直接原因.针对不同类别的储集层采用不同的评价标准对储集层进行分类.利用双水模型计算含水饱和度,采用最优化解释技术计算矿物体积含量,综合利用多条曲线特征分析和计算储层参数,并用岩心分析和试油资料来校正评价模型和参数.综合应用自然电位曲线、井径曲线识别因异常高压带、采油造成的压力亏空,以准确判别产层.
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