The drilling derrick is designed for suspension of drilling tools with the help of a travel system, placement of drill and casing pipes.
Ural Siberian Industrial Company JSC manufactures derricks with a lifting capacity of 225-450 tons of various designs for different types of drilling rigs.
- Derrick VB 53/320
- Derrick VP 46/320
- Derrick VP 46/450
- Derrick VMP 46/250
- Derrick VMA 45×225-2
TECHNICAL CHARACTERISTICS
Tower derricks
| VB 53/320 | |
| Type of derrick | tower type |
| Critical hook load, kN | 3200 |
| Height, m | 52,36 |
| Upper base (distance between crown block frame supports), m | 2 х 2 |
| Subbase (distance between pins of hinges at the support of derrick legs), m | 10 х 10 |
| Gate opening height, m | 10,5 |
| Number of racking platform, pcs | 2 |
| Height of racking platform from the drill floor , m | |
| top | 35,16 |
| lower | 23,16 |
| Magazine capacity at a candle length of 36 m for pipes with a diameter of 114 mm | 6480 |
| Weight, kg | 51900 |
Mast derricks
| VP 46/320 | VP 46/450 | VMP 46/250 | VMA 45×225-2 | |
| Type of derrick | mast, open face | |||
| Critical hook load, kN | 3200 | 4500 | 2500 | 2250 |
| Distance between rotary table and lower part of crown block frame, m | 46 | 46 | 46 | 45 |
| Vertical distance between the axis of the supporting hinges and lower part of crown block frame, m | 49,78 | 49,78 | 49,78 | 47,56 |
| Subbase (distance between pins of hinges at the support of derrick legs), m | 10 | 10 | 10 | 10 |
| Upper base (distance between crown block frame supports), m: | ||||
| along catwalk axis | 2,6 | 2,6 | 2,6 | 2,3 |
| transversely catwalk axis | 2,6 | 2,6 | 2,6 | 2,3 |
| Weight, kg | 67000 | 74000 | 64850 | 33530 |