在压裂作业期间装在防喷器上的装置。压裂液和支撑剂在压力下被泵入压裂头，并沿井向下流动。

The device that is attached to the blowout preventers during a frac job. Fluid and propping agent are pumped under pressure into the frac head and down the well.

youdao

在压裂作业期间装在防喷器上的装置。压裂液和支撑剂在压力下被泵入压裂头，并沿井向下流动。

The device that is attached to the blowout preventers during a frac job. Fluid and propping agent are pumped under pressure into the frac head and down the well.

youdao