terms:hydraulic_packing_head
Replaces stuffing box when high pressure exists at the surface. Grease under pressure hydraulically packs the glands around the cable and provides cable lubrication. Cable can be moved under pressure in the packing head. When glands become cut, the blowout preventer can be closed and glands replaced.
terms/hydraulic_packing_head.txt · Last modified: 2023/11/22 08:41 by 127.0.0.1