Experiments on thermal miscible rules of different gas media and crude oil

IF 7 Q1 ENERGY & FUELS
Changfeng XI , Fang ZHAO , Bojun WANG , Tong LIU , Zongyao QI , Peng LIU
{"title":"Experiments on thermal miscible rules of different gas media and crude oil","authors":"Changfeng XI ,&nbsp;Fang ZHAO ,&nbsp;Bojun WANG ,&nbsp;Tong LIU ,&nbsp;Zongyao QI ,&nbsp;Peng LIU","doi":"10.1016/S1876-3804(25)60559-3","DOIUrl":null,"url":null,"abstract":"<div><div>The high temperature and high pressure visualization pressure-volume-temperature (PVT) experiments of different gas media-crude oil were carried using the interface disappearance method. There are two miscible temperature domains in the miscibility of CO<sub>2</sub>-crude oil during heating process under constant pressure. Under the experiment pressure of 15 MPa, when the temperature is less than 140 °C, the miscible zone shows liquid phase characteristics, and increasing the temperature inhibits the miscible process; when the temperature is greater than 230 °C, the miscible zone tends to show gas phase characteristics, and increasing the temperature is conducive to the miscibility formation. Under a certain pressure, with the increase of temperature, the miscibility of flue gas, nitrogen and crude oil is realized. When the temperature is low, the effect of CO<sub>2</sub> on promoting miscibility is obvious, and the order of miscible temperature of gas medium and crude oil is N<sub>2</sub> &gt; flue gas &gt; CO<sub>2</sub>; however, when the temperature is high, the effect of CO<sub>2</sub> on promoting miscibility gradually decreases, and the miscible temperature of N<sub>2</sub> and crude oil is close to that of flue gas. The miscibility is dominated by the distillation and volatilization of light components of crude oil. There are many light hydrocarbon components in the gas phase at phase equilibrium, and the miscible zone is characterized by gas phase.</div></div>","PeriodicalId":67426,"journal":{"name":"Petroleum Exploration and Development","volume":"51 6","pages":"Pages 1556-1563"},"PeriodicalIF":7.0000,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Petroleum Exploration and Development","FirstCategoryId":"1087","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1876380425605593","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
引用次数: 0

Abstract

The high temperature and high pressure visualization pressure-volume-temperature (PVT) experiments of different gas media-crude oil were carried using the interface disappearance method. There are two miscible temperature domains in the miscibility of CO2-crude oil during heating process under constant pressure. Under the experiment pressure of 15 MPa, when the temperature is less than 140 °C, the miscible zone shows liquid phase characteristics, and increasing the temperature inhibits the miscible process; when the temperature is greater than 230 °C, the miscible zone tends to show gas phase characteristics, and increasing the temperature is conducive to the miscibility formation. Under a certain pressure, with the increase of temperature, the miscibility of flue gas, nitrogen and crude oil is realized. When the temperature is low, the effect of CO2 on promoting miscibility is obvious, and the order of miscible temperature of gas medium and crude oil is N2 > flue gas > CO2; however, when the temperature is high, the effect of CO2 on promoting miscibility gradually decreases, and the miscible temperature of N2 and crude oil is close to that of flue gas. The miscibility is dominated by the distillation and volatilization of light components of crude oil. There are many light hydrocarbon components in the gas phase at phase equilibrium, and the miscible zone is characterized by gas phase.
求助全文
约1分钟内获得全文 求助全文
来源期刊
CiteScore
11.50
自引率
0.00%
发文量
473
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信