Suction line
Encyclopedia
A suction line is the pipe
Pipe (material)
A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases , slurries, powders, masses of small solids...

 work linking the mud tank
Mud tank
A mud tank is an open-top container, typically made of steel, to store drilling fluid on a drilling rig. They are also called mud pits, because they used to be nothing more than pits dug out of the earth....

s/pits with the mud pumps. This may be gravity fed or charged by centrifugal pumps to provide additional volumetric efficiency to the mud pumps.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK