18 July 2017
A safety system that is designed to automatically shut-in the wellbore in the event of an unintended disconnect of the LMRP. NOTE: When the Autoshear system […]
18 July 2017
To unscrew one threaded piece (such as a section of pipe) from another.
18 July 2017
To hold one section of an object such as pipe while another section is being screwed into or out of it.
25 July 2017
A tong suspended in the derrick, normally on the driller’s right, used to hold box end of the joint (lower half) while the pin end (upper […]
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.
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, […]
18 July 2017
Barium sulfate, BaSO4; a mineral frequently used to increase the weight or density of drilling mud. Its relative density is 4.2 (i.e., it is 4.2 times […]
18 July 2017
A chemical compound of barium, sulfur, and oxygen (BaSO4), which may form a tenacious scale that is very difficult to remove. Also called barite.
18 July 2017
1) A measure of volume for petroleum products in the United States. One barrel is the equivalent of 42 U.S. gallons or 0.15899 cubic m (9702 […]
