A mud pump (sometimes called a mud drilling pump or drilling mud pump) is a reciprocating piston/plunger pump designed to circulate drilling fluid along the drill string at high pressure (up to 7,500 psi or 52,000 kPa) and support the annulus. Mud pumps are an important part of oil well drilling equ

Mud pumps can be divided into marine and land mud pumps, large particle mud pumps, multi-purpose mud pumps, submersible mud pumps, vertical mud pumps, etc.