Y241型封隔器在川西地区的改进与应用
周怡君
Improvements of Y241 Packer and Its Application to Western Sichuan Basin
ZHOU Yijun
天然气技术与经济 . 2018, (4): 45 -47 .  DOI: 10.3969/j.issn.2095-1132.2018.04.013