Annular BOP
new
Annular BOP is an important part of well-control devices. Working medium is oil, gas and mud etc. It mainly applies to control well-pressure during drilling work, oil test and workover operations. It can prevent ...
Beijing, China
new
Annular BOP is an important part of well-control devices. Working medium is oil, gas and mud etc. It mainly applies to control well-pressure during drilling work, oil test and workover operations. It can prevent ...