18 July 2017
A mobile bottom-supported offshore drilling structure with columnar or open-truss legs that support the deck and hull. When positioned over the drilling site, the bottoms of […]
18 July 2017
The directed, rapid flow of fluid from a nozzle. Besides jets from bit nozzles, jets are also involved in pumps for removing fluid and trash from […]
18 July 2017
A drilling bit having replaceable nozzles through which the drilling fluid is directed in a high-velocity stream to the bottom of the hole to improve the […]
18 July 2017
An assembly, including a carrier and shaped charges, that is used in jet perforating.
18 July 2017
To create a hole through the casing with a shaped charge of high explosives instead of a gun that fires projectiles. The loaded charges are lowered […]
18 July 2017
Operation using the jet to clean out the cellar, slush pit, etc.
18 July 2017
In drilling, a single length (from 16 ft to 45 ft, or 5 m to 14.5 m, depending on its range length) of drill pipe, drill […]
18 July 2017
Metal debris lost in a hole. Junk may be a lost bit, pieces of a bit, milled pieces of pipe, wrenches, or any relatively small object […]
