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.

Parametermetricimperial
Length5.49 m18.01 ft
Max. OD121 mm4.75”
Min. ID35 mm1.38”
Connection topNC 38 boxNC 38 box
Connection bottomNC 38 pinNC 38 pin
XD-AST
For extended laterals, the 4 ¾” XC AST tool comes specially configured to better capture and preserve the weight coming through, in order to produce a more constant push on the bit. Compare ASTs to find exactly the AST tool needed.

models

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 […]

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5 ¼” X-Series

The “x” means extra flexible and reflects an extensive operational capability in terms of drilling parameters and well curvature. With its 5 ¼” OD, this tool […]

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6 ¾” X-Series

The “X” means extra flexible and reflects an extensive operational capability in terms of drilling parameters and well curvature. This tool is the most used […]

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7’’ C-Series AST

The “C” means combi and reflects an extensive capability in terms of both radius of turn and lateral reach. This tool is the latest addition […]

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8 ¼” X-Series

The “X” means extra flexible and reflects an extensive operational capability in terms of drilling parameters and well curvature. With its 8 ¼” OD, the tool […]

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9 ½” X-Series AST

The “X” means extra flexible and reflects an extensive operational capability in terms of drilling parameters and well curvature. This is the largest OD tool […]

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TT-series AST

The TT (Thru Tubing) Series AST has been in service since 2006 and is aimed at eliminating motor stalls as well as reducing drilling vibrations […]

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