Evaluation of pore structure using sphere-cylinder model

doi:10.7623/syxb200601020

Editorial office of ACTA PETROLEI SINICA ›› 2006, Vol. 27 ›› Issue (1): 92-96.DOI: 10.7623/syxb200601020

• Oil Field Development • Previous Articles Next Articles

Evaluation of pore structure using sphere-cylinder model

Zhou Cancan¹, Liu Tangyan^1,2, Ma Zaitian², Liu Zhonghua¹, Lui Guoqiang¹

1. Research Institute of Petroleum Exploration and Development, CNPC, Beijing 100083, China;
2. School of Ocean and Earth Science, Tongji University, Shanghai 200092, China

Received:2005-01-07 Revised:2005-04-28 Online:2006-01-25 Published:2010-05-21

应用球管模型评价岩石孔隙结构

周灿灿¹, 刘堂晏^1,2, 马在田², 刘忠华¹, 刘国强¹

1. 中国石油勘探开发科学研究院北京 100083;
2. 同济大学海洋和地球科学学院上海 200092

作者简介:周灿灿,男,1961年4月生,2003年获中国科学院博士学位,现为中国石油勘探开发研究院测井遥感所高级工程师,主要从事测井方法、核磁共振应用研究和技术管理工作.E-mail:zcc@petrochina.com.cn
基金资助:
中国石油创新基金项目(04E7051)和西南石油学院油气田地质及开发国家重点实验室开放基金项目(PLN0401)联合资助.

Abstract

Abstract: A new method for evaluating pore structure in heterogeneous reservoir was proposed on the basis of mercury injection data and laboratory experiments of nuclear magnetic resonance.The total pores of rock were divided into spherical pores and cylindrical pores by mercury injection data and optimization algorithm of the sphere-cylinder model with restricted conditions.All pores of rock were rearranged and combined according to the radii of cylindrical pores.It is supposed that the compartment pores were divided by sphere-cylinder model in space,the number of sphere-cylinder model and ideal seepage sections were calculated.The seepage sections show good agreement with the index of reservoir quality.This research shows rock pore structures in figures with the sphere-cylinder model.

Key words: lithologic reservoir, pore structure, forward model, nuclear magnetic resonance relaxtion, seepage section, reservoir evaluation

摘要： 应用压汞数据和球管模型的约束优化算法,将岩石的总孔隙分解成管形孔和球形孔.在此基础上,根据压汞的进汞过程,对球管模型的分解结果按管形孔半径的数值进行了孔隙分组的重新排序和合并.假设分组孔隙按球管模型的空间分配,计算了单位体积中球管模型在实际岩样分组孔隙中的数量和理想的渗流截面,其计算结果与储层品质指数的结果一致.应用球管模型的分解结果实现了岩石孔隙结构的图形化再现.

关键词: 岩性油气藏;孔隙结构;正演模型;核磁共振弛豫;渗流截面;储层评价

CLC Number:

TE311

Zhou Cancan, Liu Tangyan, Ma Zaitian, Liu Zhonghua, Lui Guoqiang. Evaluation of pore structure using sphere-cylinder model[J]. Editorial office of ACTA PETROLEI SINICA, 2006, 27(1): 92-96.

周灿灿, 刘堂晏, 马在田, 刘忠华, 刘国强. 应用球管模型评价岩石孔隙结构[J]. 石油学报, 2006, 27(1): 92-96.

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Evaluation of pore structure using sphere-cylinder model

应用球管模型评价岩石孔隙结构

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