-
When the well is shut-in, a plunger is dropped down the production string.
当关井时，柱塞沿生产管柱向下降落。
youdao
-
It can be extensively applied to tubing string for oil production technology.
可广泛应用于油水井增产增注工艺管柱上。
youdao
-
It can be extensively applied to tubing string for oil production technology.
可广泛应用于油水井增产增注工艺管柱上。
youdao