Drain Nipple For Oilfield

1. The pull-up drain nipple for oilfield can be used to pull the oil pipe out of the wellbore to achieve drainage or circulation of the oil pipe. 2. The pull-up drain nipple for oilfield adopts a pressure balance design to ensure that the interface remains closed until the oil pipe is ready to be pulled out or circulated. 3. The pull-up drain nipple for oilfield can improve wellhead operating conditions and reduce wellsite pollution.