地球物理学进展 ›› 2018, Vol. 33 ›› Issue (2): 777-782.doi: 10.6038/pg2018AA0378

• 应用地球物理学Ⅰ(油气及金属矿产地球物理勘探) • 上一篇    下一篇

岩心样品孔隙度渗透率实验研究进展

张丽华(),潘保芝,单刚义()   

  1. 吉林大学地球探测科学与技术学院,长春 130026
  • 收稿日期:2017-05-29 修回日期:2018-02-11 出版日期:2018-04-20 发布日期:2017-12-20
  • 通讯作者: 单刚义 E-mail:zhanglh@jlu.edu.cn;shangangyi@jlu.edu.cn
  • 基金资助:
    国家科技重大专项项目(2011ZX05044)

Progress in experimental research on porosity and permeability of core samples

Li-hua ZHANG(),Bao-zhi PAN,Gang-yi SHAN()   

  1. College of Geo-Exploration Science and Technology, Jilin University, Changchun 130026, China
  • Received:2017-05-29 Revised:2018-02-11 Online:2018-04-20 Published:2017-12-20
  • Contact: Gang-yi SHAN E-mail:zhanglh@jlu.edu.cn;shangangyi@jlu.edu.cn

摘要:

孔隙度和渗透率是岩石和测井储层评价的两个重要参数.通过大量的学术调研,对影响孔隙度和渗透率测量的实验条件进行分析和总结.影响的因素主要有实验的温度和各种压力条件.但不同孔渗条件的岩样,温度和压力影响的程度不同.总的来说,随着温度和压力的升高,孔隙度和渗透率稍稍降低,整体变化幅度很小.岩样孔隙度和渗透率越低,温度和压力敏感性越强.研究温度和压力对孔隙度渗透率测量的影响因素,为准确测量岩样的孔隙度和渗透率提供实验依据,也为研究储层温度和压力条件下的多场耦合问题提供理论基础,同时为石油热开采提高渗透率和核废料地下安全性处理提供技术支持.

关键词: 孔隙度, 渗透率, 温度, 压力, 实验

Abstract:

Porosity and permeability are two important parameters for the evaluation of rock and well logging reservoir. Through a large number of academic research, the influences of the experimental conditions on porosity and permeability measurements are analyzed and summarized. The main factors that affect the results of porosity and permeability are the experimental temperatures and various pressure conditions. But if the samples have different permeabilities, the effects of temperature and pressure on samples are different. Overall, with the increase of temperature and pressure, porosity and permeability decrease slightly, the overall change is very small. The lower of the samples’ porosity and permeability are, the stronger of temperature and pressure sensitivity are. Study on the effects of temperature and pressure on porosity and permeability measurement can provide experimental basis for accurate measurement of rock porosity and permeability and also provide the theoretical basis for the study of reservoir temperature and pressure conditions of multi-field coupling problems, at the same time, provide technical support for heating the oil mining to increase permeability and dealing with underground nuclear waste safely.

Key words: porosity, permeability, temperature, pressure, experiment

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