比较振荡管法和比重瓶法测定15~80℃原油视密度换算标准密度的研究

doi:10.3969/j.issn.1000-1158.2022.05.11

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摘要原油标准密度(20℃)是原油理化指标中重要的一项。通过使用安东帕(Anton Paar)DMATM 35 V4 Ex Petrol防爆便携密度计等设备,对多个油田的油井采出液原油试样在15～80℃时分别用比重瓶法、震荡管密度计法进行密度检测,绘制密度-温度曲线,推导和完善了经验公式,并给出了一个以测试密度和温度为参数的计算公式。将振荡管密度测试法与石油计量表联合求解原油标准密度,相对误差控制在±0.5%以内,使在现场快速得到原油标准密度参数成为可能。

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	何云腾
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	李东晖
	吴应湘

关键词 ：计量学, 原油标准密度, 振荡管密度计, 防爆便携, 现场检测, 计算方法

Abstract：Crude oil standard density (20℃) is an important item in the physical and chemical indicators of crude oil. By using Anton Paar (Anton Paar) DMATM 35 V4 Ex Petrol explosion-proof portable density meter and other equipment, the density of crude oil samples from oil wells in multiple oilfields were detected by pyknometer method and vibrating-tube densitometer method respectively at 15~80 ℃, the density temperature curve was drawn, the empirical formula was deduced and improved, and a calculation formula with test density and temperature as parameters was given. The oscillating tube density test method and the petroleum meter were combined to calculate the crude oil standard density, and the relative error was controlled within ±0.5%. It is possible to quickly obtain crude oil standard density parameters on-site.

Key words： metrology crude oil standard density vibrating-tube density meter explosion-proof portable on-site inspection calculation method

收稿日期: 2020-08-17 发布日期: 2022-05-18

PACS:

TB933

基金资助:中国科学院战略性先导科技专项B类(XDB22030000)

通讯作者: 李东晖(1962-), 北京人, 中国科学院力学研究所高级工程师, 从事多相流量计的研发工作。Email: donghui_li@imech.ac.cn E-mail: donghui_li@imech.ac.cn

作者简介: 何云腾(1989-), 北京人, 中国科学院力学研究所工程师, 从事多相流量计原型机的测试和参数整定研究工作。Email: hyt@imech.ac.cn

引用本文:

何云腾,张健,李华,李东晖,吴应湘. 比较振荡管法和比重瓶法测定15~80℃原油视密度换算标准密度的研究[J]. 计量学报, 2022, 43(5): 629-635.
HE Yun-teng,ZHANG Jian,LI Hua,LI Dong-hui,WU Ying-xiang. Study on the Determination of Apparent Density ConversionStandard Density of Crude Oil at 15~80℃ by Comparing Oscillating Tube and Pycnometer Method. Acta Metrologica Sinica, 2022, 43(5): 629-635.

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