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New Method to Identify Gas Zones in Low Porosity and Permeability Reservoir
Author(s): 
Pages: 43-45
Year: Issue:  1
Journal: WELL LOGGING TECHNOLOGY

Keyword:  低孔隙度低渗透率储层气层识别核磁共振测井交叉偶极声波测井鄂尔多斯盆地;
Abstract: 低孔隙度、低渗透率储层由于其非均质性强、测井信噪比低等原因,岩石骨架对测井信息的贡献远大于孔隙中气层的影响,使常规测井资料正确识别气层的难度增大.综合利用成像测井新技术提供的新方法及多信息、高精度参数,探讨了气层识别新方法,如移谱法、差谱法、纵横波比法及密度核磁共振法等.在长庆油田30多口井的测井解释表明,解释符合率达到85%.
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