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USA
Personne àcontacter Ms. jenjen
1324 willard, 103, san francisco, ca
The down hole motor (DHM) is a kind of drilling tools developed for converting hydraulic energy into mechanical energy through a conjugator of a stator and a rotor. The motors are usually divided into two kinds, single lobe (1/2) and multi lobes (N/N*1) motors, according to the quantities of the lobes of the stator and rotor. For motors of the same length of rotor/stator section, the more are the lobes, the higher is the output torque, while the lower is the rotate speed, vice versa.The motors are usually used together with cone bits, diamond bits, etc. in drilling operations: directional and vertical drilling, horizontal drilling, correcting deviation, coring, reaming, sidetracking, etc. DHM may also be equipped with extended power section. Comparing with common motors, they are greatly increased in output torque and power, that helps to increase penetration rate markedly. For some kinds of motor, hollowed rotors are optional as well. It can reduce the rotation inertia, optimize meshing of rotor and stator, and decrease the vibration while running. If the rotor is equipped with a nozzle, it can increase waterpower of the bit. DHM can operate for thousands of hours in good performance. DHM may have adjustable bent housing: between 0~3 degree angles in the rig floor without shim. It has a patent of anti-friction connecting rod, that improves the capacity of the motor and increases the running time. It may also equipped with patent sealed bearing assembly, that improves its load and working time without interruption. The housing of the shaft can match with a stabilizer with different models and sizes.
