Oilfield Aluminum Mechanical Stage Collar
The circulation ports can be hydraulically opened, eliminating the need to use a free-fall opening plug. Therefore, it is not restricted to well inclination
Specifications (in) | 5 1/2" | 7" | 9 5/8" | 13 3/8" |
Max O.D.(mm) | Φ170 | Φ208 | Φ283 | Φ381 |
Drill-out I.D.(mm) | Φ122 | Φ155 | Φ220 | Φ315 |
Overall Length (mm) | 1082 | 1182 | 1222 | 1280 |
Rated Load | 140 | 170 | 210 | 300 |
Sealing capacity (Mpa) | 25 | 25 | 25 | 25 |
Opening Pressure (Mpa) | 13 | 13 | 13 | 14 |
Closing Pressure (Mpa) | 5 | 5 | 5 | 5 |
Lower Sliding Sleeve I.D.(mm) | Φ85 | Φ115 | Φ176 | Φ203 |
Upper Sliding Sleeve I.D. (mm) | Φ95 | Φ125 | Φ197 | Φ285 |