基于时间-温度拟合曲线的岩心密闭试验参数优化方法

doi:10.3969/j.issn.1672-9803.2023.02.009

录井工程 ›› 2023, Vol. 34 ›› Issue (2): 51-56.doi: 10.3969/j.issn.1672-9803.2023.02.009

基于时间-温度拟合曲线的岩心密闭试验参数优化方法

阎荣辉^①, 滕飞启^②,③, 满百胜^①, 吴明松^②,③, 李俊汉^④

①中国石油长庆油田分公司工程技术管理部;
②中国石油长庆油田分公司勘探开发研究院;
③低渗透油气田勘探开发国家工程实验室;
④中国石油长庆油田分公司长北作业分公司

收稿日期:2023-04-07 出版日期:2023-06-25 发布日期:2023-07-12
通讯作者: 滕飞启工程师,1982年生,2006年毕业于中国地质大学（北京）资源勘查工程专业,现在长庆油田分公司勘探开发研究院从事测录井评价解释工作。通信地址：710018 陕西省西安市未央区凤城四路长庆油田科技楼。电话：18089204920。E-mail：tfq2_cq@petrochina.com.cn
作者简介:阎荣辉高级工程师,1975年生,2003年毕业于西南石油学院矿物与岩石学专业,现在长庆油田分公司从事工程技术管理工作。通信地址：710018 陕西省西安市未央区凤城四路长庆油田科研楼。电话：（029）86978610。E-mail：yrh_cq@petrochina.com.cn

Optimization of core airtight test parameters based on time-temperature fitting curve

YAN Ronghui^①, TENG Feiqi^②,③, MAN Baisheng^①, WU Mingsong^②,③, LI Junhan^④

①Engineering Technology Management Department of PetroChina Changqing Oilfield Company, Xi′an, Shaanxi 710018, China;
②Exploration and Development Research Institute of PetroChina Changqing Oilfield Company, Xi′an, Shaanxi 710018, China;
③National Engineering Laboratory for Exploration and Development of Low Permeability Oil and Gas Fields,Xi′an, Shaanxi 710018, China;
④Changbei Operation Branch of PetroChina Changqing Oilfield Company,Yulin,Shaanxi 719000, China

Received:2023-04-07 Online:2023-06-25 Published:2023-07-12

摘要/Abstract

摘要： 密闭试验是含气储层含水观察常用方法,但是在实际操作过程中试验温度与密闭时间没有统一标准,观察结果对比性较差,不利于岩性含水性的判断。通过试验测定在不同温度下岩心水分挥发量与时间的关系,用曲线拟合方法,优选出岩心密闭试验最佳参数组合,结果表明,在60℃条件下,密闭时间为120 min后观察袋壁附着水珠产状效果最佳。参数定量后,密闭试验的可比性显著增强,实现了从单井解释到井间对比,在油田勘探开发中具有一定的应用前景。

关键词: 岩心录井, 含水评价, 密闭试验, 拟合曲线, 挥发速率, 质量

Abstract: Sealing test is a common method to observe water content in gas-bearing reservoir, but there is no unified standard for test temperature and sealing time in actual operation, and the contrast of observation results is poor, which is not conducive to the judgment of lithology water content. By measuring the relationship between the volatilization amount of core water and time at different temperatures, the best parameter combination of core sealing test is selected by curve fitting method. The experimental results show that the water droplets which are attached to the bag wall is the best effect when the sealing time is 120 min at 60℃. After the parameters are quantified, the comparability of the sealing test is significantly enhanced, and the single well interpretation and cross well correlation are realized, which has certain application prospects in oilfield exploration and development.

Key words: core logging, water cut evaluation, sealing test, fitting curve, volatilization rate, quality

中图分类号:

TE132.1

阎荣辉, 滕飞启, 满百胜, 吴明松, 李俊汉. 基于时间-温度拟合曲线的岩心密闭试验参数优化方法[J]. 录井工程, 2023, 34(2): 51-56.

YAN Ronghui, TENG Feiqi, MAN Baisheng, WU Mingsong, LI Junhan. Optimization of core airtight test parameters based on time-temperature fitting curve[J]. Mud Logging Engineering, 2023, 34(2): 51-56.

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基于时间-温度拟合曲线的岩心密闭试验参数优化方法

Optimization of core airtight test parameters based on time-temperature fitting curve

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