18 July 2017
A long, cylindrical container fitted with a valve at its lower end, used to remove water, sand, mud, drilling cuttings, or oil from a well in […]
18 July 2017
The cable attached to a bailer, passed over a sheave at the top of the derrick, and spooled on a reel.
18 July 2017
Ballooning is flowback when pumps are off; caused by seepage losses when drilling or circulating.
18 July 2017
Any one of many types of flat-decked, shallow draft vessels, usually towed by a boat. A complete drilling rig may be assembled on a drilling barge, […]