Integral Spiral Blade Stabilizer
Integral 3-Spiral Blade Stabilizer, Integral 4-Spiral Blade Stabilizer (string type ,near bit type ). The working hardfacing surface (also called as wall contact )materials available separately are:
(1) carbide insert;
(2) Inserted diamond compound;
(3) Low temperature brazing tungsten carbide slug;
(4) Surface bead welding abrasive welding rod, etc
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OD
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L2+/-5
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D2
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d
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L+/-20
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Short type
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Long type
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Near bit type
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Drill string type
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Near bit type
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Drill string type
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L3=150
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L1=150
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L3=300
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L3=700
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152.4
152
151
|
400
500
|
121
|
51
|
950
1050
|
1100
1200
|
1450
1550
|
1650
1750
|
|
158.7
158
157
|
|||||||
|
165.1
164
163
|
|||||||
|
190.5
190
189
|
400
500
|
159
178
|
57
71
|
950
1050
|
1100
1200
|
1450
1550
|
1650
1750
|
|
200.0
199
198
|
|||||||
|
212.7
212
211
|
400
500
600
|
159
178
|
57
71
|
950
1050
1150
|
1100
1200
1300
|
1450
1550
1650
|
1650
1750
1850
|
|
215.9
215
214
|
|||||||
|
222.2
221
220
|
|||||||
|
241.3
240
239
|
400
500
600
|
178
|
71
|
950
1050
1150
|
1100
1200
1300
|
1450
1550
1650
|
1650
1750
1850
|
|
244.5
244
243
|
|||||||
|
250.8
250
249
|
|||||||
|
311.1
310
309
|
500
600
700
|
203
229
|
76
|
1150
1250
1350
|
1300
1400
1500
|
1750
1850
1950
|
1950
2050
2150
|
|
444.5
443
441
|
500
600
700
|
1350
1450
1550
|
1500
1600
1700
|
1950
2050
2150
|
2150
2250
2350
|
||
|
660.4
658
655
|
700
800
900
|
229
|
1950
2050
2150
|
2100
2200
2300
|
2550
2650
2750
|
2750
2850
2950
|
|