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The AutoTrak™ Curve rotary steerable system (RSS) is the go-to tool for CNX to drill the smoothest wellbore possible, increase performance, and ease casing runs in its long Marcellus shale laterals.

Since January 2017, Drilling Services and Drill Bits teams from Baker Hughes, a GE company (BHGE) have used the AutoTrak Curve RSS, paired with a 6 ¾-in. Navi-Drill™ Ultra™ XL/LS motor, to drill six “Mile-A-Day” wells with CNX, significantly reducing rig time and drilling costs.

Download the PDF to read the full case study.

Challenges & Results


  • Design optimum bottomhole assembly to decrease days on wells


  • Drilled well from kick-off point to total depth in 1.9 days
  • Reduced time on well by 13% over previous well drilled on same pad