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The downhole motor is a positive displacement motor. It converts the high fluid power of drilling fluid into mechanical energy for bit rotation. Downhole motors are widely used in the drilling, kick-off, azimuth control, coring, reaming, sidetracking and workover for the directional wells, horizontal wells, sidetracked wells and vertical wells of oilfields and coal mines. In addition, the down-hole motors are suitable for combination drilling. Now we can provide various sizes of down-hole motors for the sizes through 3-1/2"~17-1/2". Popular sizes are 2-7/8", 3-1/8", 3-1/2", 3-3/4", 4", 4-3/4", 6-1/2", 6-3/4", 7-3/4", 8", 8-1/2" and 9-5/8". We can supply down-hole motors of special specifications, high-speed, medium-speed and low-speed down-hole motors upon customer’s special requirements.

Specifications:

Type	5LZ120	5LZ165	5LZ172 5LZ172-DW 5LZ172-SW	5LZ197 5LZ197-DW 5LZ197-SW
Well size, inch	5-7/8"~7-7/8"	8-3/8"~9-7/8"	8-3/8"~9-7/8"	9-7/8"~12-1/4"
OD, inch	4-3/4"	6-1/2"	6-3/4"	7-3/4"
Flow rate, l/s	8~16	18~28	20~35	30~50
Bit rev, rpm	110~220	102~158	108~188	95~163
Press drop of motor, Mpa	4	3.2	3.2	3.2
Working torque, N·m	1750	3800	4100	6800
Max. torque, N·m	2600	5700	6100	9800
Power, Kw	40.3	62.9	80.7	112.5
Bit nozzle pressure drop, Mpa	1.4~7	1.4~7	1.4~7	1.4~7
Recommended WOB, ton	4.5	8	9	17
Max. WOB, ton	6	16	17	25
Upper end connecting thread	3-1/2" IF	4-1/2" IF	4-1/2" IF	6-5/8" IF
Bit connecting thread	3-1/2" REG	4-1/2" REG	4-1/2" REG	6-5/8" REG