| 临界孔隙度Pride模型及其应用 |
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| 引用本文： | 侯波,陈小宏,张孝珍.临界孔隙度Pride模型及其应用[J].石油地球物理勘探,2012(2):277-281,183. |
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| 作者姓名： | 侯波 陈小宏 张孝珍 |
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| 作者单位： | 中国石油大学(北京)油气资源与探测国家重点实验室;中国石油大学(北京)CNPC物探重点实验室;中国石化胜利油田分公司地质科学研究院 |
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| 基金项目： | 国家自然科学基金项目(41074098);国家重点基础研究发展计划(973计划)项目(2007CB209606)联合资助 |
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| 摘 要： | 实际测井数据中缺少的横波速度信息对于储层表征、流体识别具有重要意义。本文给出一种新的横波速度预测方法:通过对Pride模型引入临界孔隙度导出临界孔隙度Pride模型,再结合Gassmann理论建立饱和岩石的纵横波速度计算模型。将该模型应用于室内实验室测量和实际测井资料的横波预测,结果表明本文提出的基于临界孔隙度Pride模型的横波速度预测方法是有效的。
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| 关 键 词： | 横波速度预测 Pride模型 临界孔隙度 储层描述 岩石物理 固结参数 |
Critical porosity Pride model and its application |
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| Hou Bo,Chen Xiaohong,and Zhang Xiaozhen.Critical porosity Pride model and its application[J].Oil Geophysical Prospecting,2012(2):277-281,183. |
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| Authors: | Hou Bo Chen Xiaohong and Zhang Xiaozhen |
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| Affiliation: | 1.State Key Lab of Petroleum Resource and Prospecting,China University of Petroleum(Beijing),Beijing 102249,China2.CNPC Key Lab of Geophysical Exploration,China University of Petroleum(Beijing),Beijing 102249,China3.Geological Scientific Research Insititute of Shengli Oilfield,SINOPEC,Dongying,Shandong 257015,China |
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| Abstract: | S-wave velocity,which is not sufficient in realistic well logging data,plays an important role in reservoir characterization and fluid identification.In this paper,a new S-wave velocity prediction method is presented.Through introducing critical porosity into Pride model and combining Gassmann theory,P-wave velocity and S-wave velocity model of fluid saturated rock is established.The model is applied to S-wave velocity prediction of measured data in lab and realistic well logging data.The predicted results demonstrate that S-wave velocity prediction method based on critical porosity Pride model proposed in this paper is effective. |
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| Keywords: | S-wave velocity prediction Pride model critical porosity reservoir characterization rock physics consolidation parameter |
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