新疆石油地质

新疆石油地质 ›› 2010, Vol. 31 ›› Issue (2): 203-204.

• 应用技术 • 上一篇    下一篇

确定储集层孔隙度和渗透率下限的几种方法

王娟1, 刘学刚2, 崔智林1   

  1. 1.西北大学 地质学系大陆动力学国家重点实验室,西安 710069;
    2.中国石油 长庆油田分公司 勘探开发研究院,西安 710018
  • 收稿日期:2009-10-14 修回日期:2009-11-20 发布日期:2020-09-17
  • 作者简介:王娟(1984-),女,新疆奇台人,在读硕士研究生,石油地质,(Tel)15902949103(E-mail)29928164@qq.com.
  • 基金资助:
    国家973项目(2003CB214607)

The Methods for Determination of Cutoff Values of Reservoir Porosity and Permeability

WANG Juan1, LIU Xue-gang2, CUI Zhi-lin1   

  1. 1. State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an, Shaanxi 710069, China;
    2. Research Institute of Exploration and Development, Changqing Oilfield Company, PetroChina, Xi'an, Shaaxi 710018, China
  • Received:2009-10-14 Revised:2009-11-20 Published:2020-09-17

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摘要： 确定储集层孔隙度及渗透率下限值,是识别油气层、计算储量必需的参数,介绍了经验统计法、储集层喉道下限法、相渗曲线法和试气法等4 种常用储集层孔渗下限的计算方法,对鄂尔多斯盆地某气田B 井区石盒子组盒8 段孔隙度和渗透率的下限值进行了确定,其储集层孔隙度下限值确定为6.25%,渗透率下限值确定为0.1×10-3 μm2。

关键词: 储集层, 孔隙度, 渗透率, 下限

Abstract: This paper presents four methods of empirical statistical analysis, throat radius cut off, relative permeability curve and gas test for effective determination of reservoir porosity and permeability cutoff values for the purpose of oil-gas reservoir identification and reserves estimation. These methods are applied to determination of cutoffs of porosity and permeability of the He-8 member, Shihezi formation in Wellblock-8 in a gas field in Ordos basin, showing that the porosity cutoff value is 6.25%, the permeability cutoff value is 0.1×10-3 μm2.

Key words: reservoir rock, porosity, permeability, cut off

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