Influence of temperature and pressure change on CO2 foaming characteristics in crude oil

被引：0
|
作者：
Zhang, Shuhao [1 ]
Ma, Hongtao [2 ]
Li, Yuxing [2 ]
机构：
[1] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
[2] China Univ Petr East China, Shandong Key Lab Oil & Gas Storage & Transportat, Qingdao 266580, Shandong, Peoples R China
来源：
6TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY RESOURCES AND ENVIRONMENT ENGINEERING | 2021年 / 647卷
关键词：
D O I：
10.1088/1755-1315/647/1/012116
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
CO2 flooding is an effective technology to improve oil recovery. However, because the foam layer produced in the actual production may affect the gas-liquid separation effect, a set of equipment for analyzing the foaming behavior of dissolved gas crude oil by using the depressurization method is designed, to record the generation and decaying process of foam. The effects of depressurization method, depressurization rate, initial pressure and temperature on the foaming process of crude oil are studied. Studies showed that the use of stepwise depressurization and low depressurization rate is beneficial to increase the effect of gas-liquid separation. There is an optimal temperature to maximize the separation effect.
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页数：6
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