OVERVIEW
The TITOⓇ SS675 downhole motor(PDM) features stable speed, slight vibration, large torque and high strength, which is very suitable for coring operation.
In well Lu 203H57-3 and Lu 210, the operator decided to use the BHA as low-speed downhole motor and Coring tools. The low-speed downhole motors were provide by DeepFast.
PERFORMANCE
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Average ROP for coring increased from 0.52m/h to 1.1m/h (nearly a 100% improvement in efficiency) for Well Lu 210.
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Achieving a coring footage of 15.57 meters with a drilling time of 105 minutes per meter. Compared to previous coring cycles, the time was reduced by nearly 50%, while the recovery rate reached 100% for Well Lu 203H57-3.
- Compared with the top drive or turntable drive, it is more stable and efficient, effectively improving the ROP of coring drilling, and the core recovery is 100%.
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