整體螺旋穩定器
Integral spiral blade stabilizer
整體三螺旋、四螺旋穩定器分為井底型和鉆柱型,其工作表面的耐磨材料即扶正面)有常用表面鑲嵌硬質合金柱、有表面鑲嵌金剛石復合體、有堆焊耐磨焊條、還有低溫釬焊硬質合金條等多種形式。
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 availableseparately are(1)carbide insert,(2)Inserted diamond compound,(3)Low temperature brazing tungsten carbide slug,(4)Surface bead welding abrasive welding rod,ect.
Specifications | ||||||||
鉆頭直徑 | 工作外徑Working O.D. | 打撈徑外徑 | 內徑 | 長度 | 兩端螺紋類型 | |||
鉆柱型 String type | 井底型Near bit type | |||||||
上端Top | 下端Down | 上端Top | 下端Down | |||||
6 | 152.2 | 121 | 51 | 1200 | NC38 | 3 1/2 REG | ||
6 1/4 | 158.7 | |||||||
6 1/2 | 165.1 | |||||||
7 1/2 | 190.5 | 159 | 57 | 1600 | NC46 | 4 1/2 REG | ||
7 7/8 | 200 | |||||||
8 3/8 | 212.7 | 159 | 71 | 1600 | NC46 | |||
165 | 1800 | NC50 | ||||||
8 1/2 | 215.2 | 159 | ||||||
165 | ||||||||
8 3/4 | 222.2 | 178 | ||||||
9 1/2 | 241.3 |
| 1600 | NC50 | NC50 | NC50 | 6 5/8 REG | |
9 5/8 | 244.5 | 178 | ||||||
9 7/8 | 250.8 | 197 | 1800 | 6 5/8 REG | ||||
12 1/4 | 311.2 | 203 209 | ||||||
16 | 406 | 229 | 76 | 1800 | NC56 | NC56 | NC56 | 6 5/8REG |
6 5/8REG | 6 5/8REG | 6 5/8REG | ||||||
17 1/2 | 444.5 | 2000 | NC61 | NC61 | NC61 | NC61 | ||
24 | 609.6 | 2200 | 7 5/8REG | 7 5/8REG | 7 5/8REG | 7 5/8REG | ||
26 | 660.4 | |||||||
28 | 711.2 |