页岩含气量现场测试技术研究

习传学; 孙冲; 方帆; 舒向伟; 汪庆; 张磊

doi:10.11781/sysydz201801025

页岩含气量现场测试技术研究

doi: 10.11781/sysydz201801025

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

基金项目: 国家科技重大专项（2016ZX05060）和中国石化科技项目（P17014-2）资助。

详细信息

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。

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。

中图分类号: TE132.2
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- 被引次数: 0
出版历程
- 收稿日期: 2017-10-12
- 修回日期: 2017-12-04
- 刊出日期: 2018-01-28

Field testing technology for shale gas content

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

摘要

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。
- 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.
- temperature /
- desorption at high temperature /
- loss of gas /
- shale gas

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参考文献(24)

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