18 July 2017
The sheath of mud solids that forms on the wall of the hole when liquid from mud filters into the formation. Also called filter cake or […]
18 July 2017
The process of pumping mud downward to the bit and back up to the surface in a drilling or workover operation. See normal circulation, reverse circulation.
18 July 2017
The treatment and control of drilling mud to ensure that it has the correct properties. Conditioning may include the use of additives, the removal of sand […]
18 July 2017
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.