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碳氧比能谱测井确定储层孔隙度方法研究 被引量:2

A Method for Determining Porosity from C/O Log Information
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摘要 油田经过多年注水开发 ,储层物性已发生变化 ,尤其是严重非均质储层。如何确定开发中后期储层孔隙度对剩余油分布规律的研究有着重要意义。碳氧比测井资料中CI、CIM 2资料反映了储层孔隙度的变化 ,利用岩心分析资料标定碳氧比测井资料可以较为精确求取开发中后期储层孔隙度 ,该方法解决了利用裸眼井资料确定孔隙度时由于时间差带来的问题 ,在实际工作中得到较好的应用效果。 After many years waterflooding, physical properties in reservoirs, especially in the serious heterogeneous reservoirs, have changed greatly, so porosity determination is of great importance to computation of the residual oil saturation and fine interpretation of the reservoirs in the mid-late development. In C/O logging, CI and CIM2 curves represent the porosity values. Porosities of reservoirs in middle or later oilfield developments can be computed accurately after the C/O logging curves are calibrated by the core data. This method solved the problems arising from the time deference while computing porosity with the open-hole logging information and has acquired a better field application.
出处 《测井技术》 CAS CSCD 2004年第1期51-53,共3页 Well Logging Technology
基金 CNPC"十条龙"科技攻关项目特高含水主力油田提高采收率综合配套技术研究中测井专题 (P980 0 9)
关键词 碳氧比能谱测井 储层 孔隙度 CI曲线 CIM2曲线 C/O log core analysis reservoir porosity application
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  • 1乔新.碳氧比测井在吉林油田的应用及解释方法的讨论[A]..96''国际学术讨论会水驱油田开发测井论文集[C].北京:石油工业出版社,1996..

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