Study on Filtration and Damage Characteristics of Modified Dry CO2 Fracturing Fluid in Shale Gas Reservoir

被引：0
|
作者：
Xu, Guixi [1 ]
Wang, Shuzhong [1 ]
Luo, Xiangrong [2 ]
Jing, Zefeng [1 ]
机构：
[1] Xi An Jiao Tong Univ, Key Lab Thermofluid Sci & Engn, Minist Educ, Sch Energy & Power Engn, Xian 710049, Shaanxi, Peoples R China
[2] Xian Shiyou Univ, Engn Res Ctr Dev & Management Low Extra Low Perme, Minist Educ, Sch Petr Engn, Xian 710065, Shaanxi, Peoples R China
来源：
2017 3RD INTERNATIONAL CONFERENCE ON ENERGY, ENVIRONMENT AND MATERIALS SCIENCE (EEMS 2017) | 2017年 / 94卷
关键词：
D O I：
10.1088/1755-1315/94/1/012180
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：
The filtration and damage characteristics of modified dry CO2 fracturing fluid in the shale is studied in this paper. The results show that the modified dry CO2 fracturing fluid has good leak-off characteristics. Compared with liquid CO2, supercritical CO2 has a better permeation and diffusion capacity in the porous medium. The damage rate of the modified dry CO2 fracturing fluid to shale core is only between 0.63%similar to 3.84% with obvious little damage. Under liquid conditions, the increase of temperature makes the fracturing fluid more harmful to shale formation.
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页数：4
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