10 November 2021

Initial Circulating Pressure (ICP)

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

Inland barge rig

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

Input horsepower

The power that is put into a usable unit, operating system, or piece of equipment.
18 July 2017

Inside blowout preventer

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 […]