Rig Site Tips: Tripping Procedure | Drilling Course
Les Skinner PE, in Hydraulic Rig Technology and Operations, 2019. 6.3.4 Continuous Annular Pressure Control. Snubbing units are capable of live well drilling and tripping pipe at all times unlike conventional drilling rigs. This facilitates and enhances UBD and MPD operations. It is not necessary to kill the well, reducing annular pressure to zero, when the string becomes pipe-light.
Get Price