Downhole Motor
Based on the installation place, this tricone reamer may be divided into two types: drill string type and downhole type. Two kinds of tricone reamers are used for centralizing and reaming.
Model Illustrations:
C 5 LZ 172*7.0 II - D W F G
1 2 3 4 5 6 7 8 9 10
1. Type of power section
(C—Extended power section. D—Short power section. K—Air or foam power section. Omitted—Normal power section)
2. Lobes of rotor
3. Product code
4. Size (OD.mm)
5. Max. Pressure drop of bit nozzle
6. Design change code (I,II,III---)
7. Bent sub and bent housing
D--single bent (bent sub or bent housing)
P—bent sub and bent housing in same direction
T—double bent housing in two directions opposite to each other
J—gemel motor
K—adjustable bent housing
Omitted—straight motor
8. Stabilizer (W—assembled with stabilizer; Omitted—no stabilizer)
9. Hollowed rotor (F—hollowed rotor; Omitted—common rotor)
10.Heat-resistant performance(G—150℃; Omitted—120℃)
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Model
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5LZ73*7.0
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5LZ89*7.0
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7LZ95*7.0
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7LZ102*7.0
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5LZ120*7.0
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5LZ146*7.0IV
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5LZ165*7.0IV
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5LZ165*7.0V
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5LZ172*7.0IV
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5LZ172*7.0V
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Nominal Size(mm)
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73
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89
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95
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102
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120
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146
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165
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165
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172
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172
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Hole Size(mm)
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89~121
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114~149
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114~149
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118~152
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149~200
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171~213
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213~251
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213~251
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213~251
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213~251
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Flow Rate Range (l/s)
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1.5~5
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3~8
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8~13
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8~13
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9~15
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15~22
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18~28
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18~28
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20~33
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20~33
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Rotary Speed (r/min)
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120~260
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100~260
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80~200
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80~200
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95~250
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120~180
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90~180
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90~180
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90~180
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90~180
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Lobe
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5 : 6
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5 : 6
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7 : 8
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7 : 8
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5 : 6
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5 : 6
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5 : 6
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5 : 6
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5 : 6
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5 : 6
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Stage
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3
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3
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3
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3
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3
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4
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4
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5
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4
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5
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Pressure Loss of Motor
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2.4
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2.4
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2.4
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2.4
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2.4
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3.2
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3.2
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4
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3.2
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4
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Working Torque
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330
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560
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1200
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1200
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1800
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1920
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4200
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5500
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5200
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6500
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Max. Torque
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560
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970
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2000
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2000
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3100
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3400
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7300
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9600
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9100
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11300
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Output Power KW
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4~7.5
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5.4~11.5
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10~20.8
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10~20.8
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16.8~36
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28~60
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41~74.3
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52~93.5
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49.2~88
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62~110
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Bit Nozzle Pressure Loss
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1.4~7
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Recommended Drilling Pressure
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1.5
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2
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2.5
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2.5
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3
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3
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8
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10
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8
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10
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Max. Drilling Pressure
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2
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3
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5
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5
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5
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5.5
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16
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16
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16
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16
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Length (mm)
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3670
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2700
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4040
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4040
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4565
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5945
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6685
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7580
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6550
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7450
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Weight (kg)
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85
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85
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145
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150
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270
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440
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730
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810
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802
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906
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Connected Thread
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Up
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2 3/8 TBG
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2 3/8
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2 7/8
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2 7/8
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3 1/2
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4 1/2
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4 1/2
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4 1/2
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4 1/2
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4 1/2
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Down
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2 3/8
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2 3/8
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2 7/8
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2 7/8
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3 1/2
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4 1/2
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4 1/2
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4 1/2
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4 1/2
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4 1/2
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