Mud Pump

Definition - What does Mud Pump mean?

A Mud Pump is a large, high pressure single acting triplex reciprocating pump that is used to circulate mud in a well at high pressure and required flow rate. Sometimes, a double acting two cylinder reciprocating pump is also used as a Mud Pump instead of a triplex reciprocating pump. Mud pumps come with different horse power ratings; however the most common ones used in rigs have 750HP, 1000HP, 1300HP and 1600HP.

Petropedia explains Mud Pump

A rig operator generally stores two or three Mud Pumps out of which one is operational and the others are standby. During drilling operations, mud is picked from suction tanks by a Mud Pump that circulates the mud from the wellbore out to the surface.

There are two types of Mud Pumps used:

  • Triplex Reciprocating Pumps (these pumps have three pistons)
  • Duplex Reciprocating Pumps (these pumps have two pistons)

Triplex reciprocating pumps are most widely used as Mud Pumps because they are 30% lighter than duplex reciprocating pumps, have less operational cost, discharge of mud is smooth and can move large volume of mud at higher pressure.

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