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凹底磨鞋可用于磨削井下小件落物以及其它不稳定落物。
The concave bottom mill shoe is used to grind downhole small objects and other unstable fallen objects.
技术规格及参数
| 型号 |
外径(mm) |
接头螺纹(Box) |
井眼(mm) |
| MA89 |
89 |
2 3/8 REG |
95.2-101.6 |
| MA97 |
97 |
NC26 |
107.9-114.3 |
| MA110 |
110 |
NC26 |
117.5-127.0 |
| MA121 |
121 |
NC31 |
130.0-139.7 |
| MA130 |
130 |
NC38 |
142.9-152.4 |
| MA140 |
140 |
NC38 |
155.6-165.1 |
| MA156 |
156 |
NC38 |
168.0-187.3 |
| MA178 |
178 |
NC50 |
190.5-209.5 |
| MA200 |
200 |
NC50 |
212.7-241.3 |
| MA232 |
232 |
NC50 |
244.5-269.5 |
| MA257 |
257 |
6 5/8 REG |
273.1-295.3 |
| MA279 |
279 |
6 5/8 REG |
298.5-317.5 |
| MA295 |
295 |
6 5/8 REG |
320.6-346.1 |
| MA330 |
330 |
6 5/8 REG |
349.3-406.4 |
| MA381 |
381 |
7 5/8 REG |
406.4-444.5 | |
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