10 November 2021
A toxic, flammable and corrosive gas often encountered during hydrocarbon exploration and production. It is a byproduct of the decay of protein-containing substances, forming by bacterial […]
18 July 2017
A device mounted on the end of the drawworks shaft of a drilling rig. The hydromatic brake (often simply called the hydromatic) serves as an auxiliary […]
25 July 2017
International Association of Drilling Contractors. IADC has exclusively represented the worldwide oil and gas drilling industry since 1940. IADC is a membership organization that represents companies […]
18 July 2017
In machinery an idler pulley or sprocket is used in connection with belt drive and chain drive respectively to maintain desired tension on the belt or […]
18 July 2017
Preventing the passage of fluid. A formation may be porous yet impermeable if there is an absence of connecting passages between the voids within it. See […]
18 July 2017
The trade name of an instrument used to determine whether or not the well bore is proceeding in a vertical orientation at any point. In most […]
18 July 2017
See Kick.
18 July 2017
According to Webster, any agent which inhibits or prevents. In drilling and producing operations, it usually refers to corrosion inhibitor. Corrosion inhibitors are used widely in […]
10 November 2021
Drill pipe pressure required to circulate initially at the selected kill-rate while holding casing pressure at the closed-in value; numerically equal to kill-rate circulating pressure plus […]
18 July 2017
A floating offshore drilling structure consisting of a barge on which the drilling equipment is constructed. When moved from one location to another, the barge floats. […]
18 July 2017
The power that is put into a usable unit, operating system, or piece of equipment.
18 July 2017
Any one of several types of valve installed in the drill stem to prevent a blowout through the stem. Flow is possible only downward, allowing mud […]
