Snubbing unit is a new equipment working in downhole at the conditions of inner pressure and oil and gas in well bore,drilling operation or the up-and -down operation.

• 不压井作业设备是一种能在井筒内有压力、有油气的情况下不用压井就可以进行钻井或起下管柱作业的一种先进的新型井下作业装备。