18 July 2017
A cylindrical steel bar (similar in form to the handle or bail of a bucket, but much larger) that supports the swivel and connects it to […]
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.