Sealed-Bearing Roller Reamer Reduces Torque and Increases ROP to 173 ft/h | Schlumberger
Tech Report
Location
United States, North America
Details

Oklahoma, USA
Ellis County

Lithology
Limestone, sandstone, shale

Depth in
1,487 ft

Depth out
8,747 ft

ROP
173 ft/h

Background
The operator needed to improve ROP and reduce trip time while drilling the vertical section of wells to kickoff point. Downhole tool failures and multiple bit trips were common in offset wells while reaming through the highly abrasive sandstone formation to kickoff points.
Products Used

Sealed-Bearing Roller Reamer Reduces Torque and Increases ROP to 173 ft/h

BHA with roller reamer drills 7,260 ft in less than 43 hours with one bit in hard, abrasive sandstone formation

After drilling in the highly abrasive sandstone formation, the cutter showed very little wear and was still in good condition for continued drilling.
After drilling in the highly abrasive sandstone formation, the cutter showed very little wear and was still in good condition for continued drilling.
Products Used

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