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石油实验地质  2018, Vol. 40 Issue (1): 25-29    DOI: 10.11781/sysydz201801025
页岩气勘探开发 本期目录 | 过刊浏览 |
页岩含气量现场测试技术研究
习传学1, 孙冲2, 方帆2, 舒向伟2, 汪庆2, 张磊2
1. 中国石化 江汉油田分公司, 湖北 潜江 433124;
2. 中国石化 江汉油田分公司 勘探开发研究院, 武汉 430223
Field testing technology for shale gas content
XI Chuanxue1, SUN Chong2, FANG Fan2, SHU Xiangwei2, WANG Qing2, ZHANG Lei2
1. SINOPEC Jianghan Oilfield Company, Qianjiang, Hubei 433124, China;
2. Research Institute of Petroleum Exploration and Development, SINOPEC Jianghan Oilfield Company, Wuhan, Hubei 430223, China
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摘要: 对自行研发的智能化页岩气现场解吸系统进行改进,在解吸罐的内部加装温度传感器,监测罐内空间的温度,消除温度变化引起的气体体积膨胀对实验结果的影响。利用改进后的仪器对常规解吸方法进行了优化,提出以90℃或者110℃作为二阶解吸温度的高温解吸方法,可将测试时间从40 h缩短至12~25 h,在保证了测试结果可靠性的同时,具备实用性和安全性的优点。由于人工操作的影响,初期的解吸速率总会出现异常高点,针对这种情况,提出将岩心封罐之后的5 min解吸数据点作为损失气拟合时的初始点。
关键词 温度高温解吸损失气页岩气    
Abstract:The in-house developed intelligent shale gas desorption system was improved. A temperature sensor was installed inside the desorption canister to monitor the interior temperature and eliminate the influence of gas volume expansion caused by temperature change on experimental results. The conventional desorption method was optimized by using the improved instrument. The high temperature desorption method at 90℃ or 110℃ as the second-order desorption temperature was proposed to shorten test time from 40 h to 12-25 h, which ensured the reliability of test results with the advantages of practicality and safety. Due to the influence of manual operation, the initial desorption rate would always be abnormally high. In this case, we advised the use of the desorption data 5 min after core sealing as the initial point when fitting gas loss curves.
Key wordstemperature    desorption at high temperature    loss of gas    shale gas
收稿日期: 2017-10-12      出版日期: 2018-01-28
ZTFLH:  TE132.2  
基金资助:国家科技重大专项(2016ZX05060)和中国石化科技项目(P17014-2)资助。
通讯作者: 孙冲(1986-),男,工程师,从事油气储层开发实验与研究工作。E-mail:Wuyou86422@163.com。     E-mail: Wuyou86422@163.com
作者简介: 习传学(1961-),男,教授级高级工程师,从事油气开发与管理工作。E-mail:121577540@qq.com。
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引用本文:

习传学, 孙冲, 方帆,等 .页岩含气量现场测试技术研究[J].石油实验地质,2018,40(1):25-29.
XI Chuanxue, SUN Chong, FANG Fan,et al .Field testing technology for shale gas content[J].Petroleum Geology & Experiment,2018,40(1):25-29.

链接本文:

http://www.sysydz.net/CN/10.11781/sysydz201801025      或      http://www.sysydz.net/CN/Y2018/V40/I1/25

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