See electrodynamic brake.

A device that is attached to the shaft of the drawworks and used as a power source for screwing together joints of pipe. It is usually […]

An adaptive drilling process used to precisely control the annular pressure profile throughout the wellbore. While conventional drilling uses the hydrostatic pressure of the drilling mud […]

A tubular conduit serving as an extension of the wellbore from the equipment on the wellhead at the seafloor to a floating drilling rig.

A calibrated funnel commonly used in field tests to determine the viscosity of drilling mud.

A portable derrick that is capable of being raised as a unit, as distinguished from a standard derrick, which cannot be raised to a working position […]

A device that fits into the rotary table to accommodate the slips and drive the kelly bushing so that the rotating motion of the rotary table […]

MASP is the calculated maximum internal pressure that the blow-out preventer (BOP) and related equipment will be subject to while conducting well operations. MASP establishes pressure […]

A drilling rig in which the source of power is one or more internal-combustion engines and in which the power is distributed to rig components through […]

A machine that integrates the function of a spinning wrench and a torque wrench to make up and break out drill pipe connections. These machines evolved […]

Meteorological and oceanographic data, such as wind, wave, water current, and tidal condition measurements.

A downhole tool with rough, sharp, extremely hard cutting surfaces for removing metal by grinding or cutting. Mills are run on drill pipe or tubing to […]