
Replaceable sleeve stabilizer consists of mandrel and sleeve. The function is the same as spiral integral blade stabilizer. It can suit to different hole size and increase working life by changing the different size sleeve. The sleeve is threaded on the mandrel, so the sleeve can be fasten to the mandrel tightly and changed easily.
Working outside diameter OD mmï¼inchï¼ |
Salvage diameter OD mmï¼inchï¼ |
Upper end |
Lower end |
Hole ID mmï¼inchï¼ |
Neck length mmï¼inchï¼ |
Total length mmï¼inchï¼ |
Remarks |
149.2 ï¼5 7/8ï¼ |
120.7 (4-3/4) |
NC38 |
NC38 |
50.8(2) |
559(22) |
1372 (54) |
Drill string type |
31/2REG |
Near bit type |
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152 ï¼6ï¼ |
120.7 (4-3/4) |
NC38 |
NC38 |
50.8(2) |
559(22) |
1372 (54) |
Drill string type |
31/2REG |
Near bit type |
||||||
215.9ï¼8-1/2ï¼ |
165 (6-1/2) |
NC50 |
NC50 |
71.4 (2-13/16) |
686ï¼27ï¼ |
1676ï¼66ï¼ |
Drill string type |
41/2REG |
Near bit type |
||||||
311.15ï¼12-1/4ï¼ |
203(8) |
6-5/8 REG |
6-5/8 REG |
71.4 (2-13/16) |
610ï¼24ï¼ |
1550ï¼61ï¼ |
Drill string type |
Near bit type |
|||||||
444.5ï¼17-1/2ï¼ |
229(9) |
7-5/8 REG |
7-5/8 REG |
76.5(3) |
686ï¼27ï¼ |
1702ï¼67ï¼ |
Drill string type |
Near bit type |
|||||||
660.4 (26) |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) |
660ï¼26ï¼ |
1930ï¼76ï¼ |
Drill string type |
Near bit type |
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711.2ï¼28ï¼ |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) |
686ï¼27ï¼ |
1981ï¼78ï¼ |
Drill string type |
Near bit type |