The AutoTrak RCLS Improves Performance and Hole Quality in Directional Wells

The AutoTrak® Rotary Closed Loop Drilling System (RCLS) is an integrated Drilling and MWD / LWD system that provides precise directional control with continuous drill string rotation. The AutoTrak RCLS greatly improves performance and hole quality in directional wells, especially in geosteering, extended reach and designer profile applications.

Utilizing automated closed loop steering control and integrated near to bit logging while drilling (LWD) sensors, these systems drill wells efficiently and precisely to target. Benefits include lower drilling costs, improved well productivity and easier access to reserves.

Changes to the well trajectory are communicated to the downhole BHA from surface while drilling ahead. Continuous Near Bit Inclination measurements, included in the AutoTrak system, are used in an autonomous downhole closed loop mode to control the true vertical depth of the well bore with exceptional accuracy, unmatched by any other drilling system. Perfectly straight tangent sections or absolutely flat horizontal sections drilled with AutoTrak are the basis for greatly reduced torque and drag, higher production rates and improved recovery factors, greatly improving project economics.

Built-in redundancy in the design of the steering system, use of rugged bearing technology, developed from the X-treme mud motors, and the complete elimination of all rotating and other dynamic seals, are the building blocks for the most robust and reliable rotary steerable system ever.

The rotationally decoupled steering ribs in combination with the closed loop controlled hydraulic system, is the fundamental advantage of AutoTrak RCLS to drill even the most demanding trajectories with the highest precision. Simultaneously this design concept produces excellent bore hole quality for low torque and drag, easier casing runs and for acquiring high quality formation evaluation image data. The AutoTrak system is fully proven in the widest range of formations, from very hard to very soft in all hole sizes.

The AutoTrak Rotary Closed Loop System combines the attributes of speed, precision, and reliability, in one unique rotary steerable system. This system has enabled operators around the world to reduce their cost per foot and to achieve a significantly better recovery of their oil and gas reserves. It is available for hole sizes ranging from 3-7/8 in. up to 26 in. and can be operated in con-junction with hole opening devices.

The AutoTrak RCLS combines the benefits Rotary Closed Loop Drilling with the continuous advances in LWD technology. The system includes Multiple Propagation Resistivity (MPR™), dual Azimuthal Gamma Ray, Directional, Vibration / Stick-Slip and Near Bit Inclination measurements. This allows AutoTrak RCLS to achieve superior directional control and precise wellbore placement to meet even the most demanding geological and geometrical objectives.

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