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Drilling Tools

Drilling tools to drill safely with an efficient BHA

Design and build the most effective bottomhole assembly with the extensive line of drilling tools Dosco is able to offer. All of our tools are expertly maintained and inspected to the highest standards. Drill safely and reach your depth efficiently with our advanced drilling tools.

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Available Drilling Tools

Dynomax Mud Lubricated Motors

Drilling motors

Optimal performance with durable and consistent motors

Our Dynomax Mud Motors are proven to operate in extreme drilling conditions, increase the rate of penetration and reduce drilling times.

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Dynomax Shock Tools

Shock tools

Increase penetration and bit life

Reduce bit bounce and increase the rate of penetration and bit life under the toughest drilling conditions. With Shock tools you improve the life and durability of your drill string assembly.

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Dynomax Slide Reamers

Slide Reamers

Maintain 360° of wall contact to reduce rotary torque

Traditionally, drilling, conditioning and reaming were separate phases of a drilling project. The Dynomax Slide Reamer integrates these phases seamlessly. The cutting structure on the slide reamer is designed to maintain 360 degrees wall contact.

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Dynomax Regulators


Regain control over flow rates

With deeper, longer and more complex wells being drilled faster than ever before. Keeping the hole clean while drilling, which is achieved with higher flow rates is one of these challenges.

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The Fixedblade Stabilizer

Fixedblade® Stabilizer

Reduce Drag & Torque

Designed to address the know issues of conventional blade stabilizers. With its enhanced hydrodynamic design and resultant downhole drilling efficiency it does just that.

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The Switchblade Stabilizer

Switchblade® Stabilizer

Interchangeable blades

On top of drag & torque reduction, the Switchblade adds versatility by its interchangeable blades. This flexibility allows worn or damaged blades to be changed quickly and efficiently on location.

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Tomax Anti Stick-slip Tool (AST)

Anti Stick-Slip Tool

Keep going where others stall

Placed right above the drilling bit, the Anti Stall Tool controls all weight and torque sent to the bit. The AST takes over all parameters peaks by maintaining them at optimized rates preventing stalling and accumulations of excess torsional energy in the drill string.

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DSI PBL Bypass System

PBL Bypass System

Increase BHA circulating rates

A simple but reliable tool enabling increased BHA circulating rates and the Total Flow Area when required.

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REACTv Sub - Stabilized Accentuated Reamer


Nutation ensures lower drill string frictional losses

The REACTv Sub is a Stabilized Accentuated Reamer (STAR) and unique to Geopro. Once circulation threshold is reached the bladed sleeve rotates clockwise.

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GeoproHYDRA™ nGX High Speed Reamer Shoe System

GeoproHYDRA™ nGX

High Speed Reamer Shoe System

The GeoproHYDRA is a high speed reamer shoe solution for tubular deployment and makes deployment of casing, liner and completion strings a lot easier.

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Drilfix Casing Motor - Complete mud motor system

DRILFix Casing Motors

High Torque Tubular Deployment

The DRILFix motor is a unique tool pioneering the advent of drilling with casing with a PDM  system. The DRILFix motor is a complete mud motor system with drill through capabilities.

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