Influence of Metering Valve Design on Efficiency of Unstable Gas Condensate Analysis

被引：0
|
作者：
Mazurova, K. M. [1 ]
Dyakina, Yu, I [2 ]
Chudin, E. A. [2 ]
Domovenko, A., V [2 ]
Makarov, A. A. [2 ]
Pakhomov, A. L. [2 ]
Vinokurov, V. A. [1 ]
机构：
[1] Gubkin Univ, Moscow, Russia
[2] LLC Chromos Engn, Moscow, Russia
来源：
CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS | 2021年 / 57卷 / 05期
关键词：
metering valve; unstable gas condensate; sample injecting device; degassing;
D O I：
10.1007/s10553-021-01306-y
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
When unstable gas condensate is analyzed using direct sample injection into a chromatograph, the design features and operating parameters of the metering valve significantly affect the accuracy and reproducibility of the analysis. In this work, a study was made of the influence of the characteristics of two types of metering valves, namely, high-pressure and high-temperature sample metering device and sample metering valve with a syringeless injector, on unstable gas condensate analysis [conforming to GSO (State Object Standard) 10525-2014] when the sample is injected into the chromatograph without its degassing, It is shown that use of a metering valve with a heated stem helps get high metrological characteristics. Significant deviation of analysis results from the regulatory requirements was observed for hydrocarbons starting with C-28 when a metering valve having an injector was used without heating the stem.
引用
收藏
页码：777 / 782
页数：6
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