The operations were measured with and without use of the Redback Roller Reamer using Baker Hughes’ vibration logging tool across multiple wells in the offshore facility.
These measurements found that when the wells were compared the levels of stick/slip, torsional vibration and backward rotation in the wells without the roller reamer were significantly higher than the ones with it in application.
As can be seen in the chart above, well SA-F was drilled without the aid of a Redback Roller Reamer and the other five wells were drilled with it. The percentage of circulation was below 15,000 for all the wells drilled with the Roller Reamer in all four measurements (backwards rotation, stick slip Level 6, stick slip level 5 and torsional oscillation). Alternately, the well without this in operation measured the backwards rotation and stick slip level 6 in excess of 25,000.
The contrasting of these measurements shows that the use of a Redback Roller Reamer greatly decreases these factors when drilling in conditions with high levels of stick/slip and torsional vibration.
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