Products
4 ¾” X-Series
The “X” means extra flexible and the 4 ¾” OD tool has a comprehensive service history from both multi-lateral producers and exploratory work.
The 4 ¾” X-Series AST has a stroke capacity of 10” or 0.25m and can be configured for all regular drilling operations including work with motors and under-reamers. For extended laterals, the tool can also be configured to better capture and preserve the weight coming through and produce a more constant push on the bit. For vertical drilling, the 4 ¾” X-Series AST not only prevents harmful stick-slip and drilling vibrations, but it also provides a safer way of operating sensitive, tapered drill-strings.
The inner diameter is 1 ½”, which presents no restrictions to relevant drop-balls. The pressure loss through the tool is 150 psi at 350 GPM or 10 bar at 1300 lpm. The tool can also be configured for high temperatures.
| Parameter | metric | imperial |
| Length | 5.49 m | 18.01 ft |
| Max. OD | 121 mm | 4.75” |
| Min. ID | 35 mm | 1.38” |
| Connection top | NC 38 box | NC 38 box |
| Connection bottom | NC 38 pin | NC 38 pin |
