mud motor in the Oil and Gas IndustryPowered by COBUILD (mʌd moʊtər)
Word forms: (regular plural) mud motors
(Extractive engineering: Field development, Equipment) A mudmotor is a drilling motor that uses the force of the drilling fluid to turn the drill bit.
⇒ A mud motor is mounted at the bottom of the drill string. Mud pressure rotates the motor, which
rotates the bit, without having to rotate the entire drill string. ⇒ The need for drill string rotation can be eliminated by installing a mud motor at the bottom of the string to drive the bit. ⇒ A mud motor is a drilling motor that uses the force of the drilling fluid to turn the drill bit.