An employee of a drilling fluid supply company whose duty it is to test and maintain the drilling mud properties that are specified by the operator.

A device that shoots a jet of drilling mud under high pressure into the mud pit to mix additives with the mud or to agitate the […]

The recording of information derived from examination and analysis of formation cuttings made by the bit and of mud circulated out of the hole. A portion […]

See mud engineer.

Originally, an open pit dug in the ground to hold drilling fluid or waste materials discarded after the treatment of drilling mud. For some drilling operations, […]

A large, high-pressure reciprocating pump used to circulate the mud on a drilling rig. A typical mud pump is a two-cylinder, double-acting or a three-cylinder, single-acting […]

A control arrangement to gradually phase the speed of all the active mud pumps so that all the pistons are travelling in a synchronized fashion to […]

A trough or pipe that is placed between the surface connections at the wellbore and the shale shaker and through which drilling mud flows on its […]

See shale shaker.

The use of machines to facilitate simultaneous activities in a safe manner, such as offline standbuilding while drilling ahead and running a BOP in deepwater operations […]

A system utilizing electrical or optical conductors in an armored subsea umbilical cable such that, on each conductor, multiple distinct functions are independently operated by dedicated […]

A multiplex system is one by which multiple analog message signals or digital data streams are combined into one signal over twisted pair, or fiber-optic, cables. […]