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l 凹底磨鞋:用于研磨井下小件落物及其它不稳定落物。凹底磨鞋是用底面所堆焊的YD合金或其它耐磨材料去研磨井下落物的工具。(分普通型和高效型)
Concave bottom junk mill
Concave bottom junk mill whose bottom face is overlaid with YD alloy or other wear-resisting material is used to fully grind junks which is stuck downhole and impossible to be caught.
凹底磨鞋技术参数
Specification of Concave Bottom Junk mill
型 号 Type | 外 径 O.D.(mm) | 接头螺纹 Connection | 适用井径 SuitableWell Diameter(mm) | 型 号 Type | 外 径 O.D.(mm) | 接头螺纹 Connection | 适用井径 SuitableWell Diameter(mm) |
MA89 | 89 | 2 3/8″REG | 95.2—101.6 | MA200 | 200 | 4 1/2″REG | 212.7—241.3 |
MA97 | 97 | 2 3/8″REG | 107.9—114.3 | MA232 | 232 | 4 1/2″REG | 244.5—269.9 |
MA110 | 110 | 2 7/8″REG | 117.5—127.0 | MA257 | 257 | 6 5/8″REG | 273.0—295.3 |
MA114 | 121 | 2 7/8″REG | 130.0—139.7 | MA279 | 279 | 6 5/8″REG | 298.5—317.5 |
MA121 | 130 | 2 7/8″REG | 142.9—152.4 | MA295 | 295 | 6 5/8″REG | 320.6—346.1 |
MA130 | 140 | 3 1/2″REG | 155.6—165.1 | MA330 | 330 | 6 5/8″REG | 349.3—406.4 |
MA140 | 156 | 3 1/2″REG | 168.0-187.3 | MA381 | 381 | 6 5/8″REG | 406.4—444.5 |
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