Case Study: High-Efficiency Drilling with 6-1/2" SD6522 Bit in Liujiagou Formation
Basic Job Information
| Parameter | Details |
|---|---|
| Bit Size & Model | 6-1/2" SD6522 |
| Bit Serial Number | 2808 |
| Well Team | 2830 |
| Well Number | 40607 |
| Well Section | 695 m |
| Formation | Su 25-2-16X (Liujiagou Formation) |
Performance Highlights
- Total Drilling footage: 2135 meters
- Pure Drilling Time: 100 hours
- Average Rate of Penetration (ROP): 21.35 m/h
Key Advantages Demonstrated
1. Exceptional Durability & Wear Resistance
The SD6522 bit maintained stable cutting structure and gauge integrity throughout the entire 2135-meter run in the hard Liujiagou formation, eliminating the need for frequent bit changes and reducing non-productive time (NPT).
2. Industry-Leading ROP
Achieving an average ROP of 21.35 meters per hour significantly outperformed conventional bits in the same formation, accelerating well construction timelines and lowering operational costs.
3. Reliable Performance Under Challenging Conditions
Designed for abrasive formations, the SD6522 delivered consistent performance across variable rock hardness, ensuring smooth drilling operations and minimizing the risk of downhole failures.
Conclusion
This field case validates the 6-1/2" SD6522 drill bit as a high-performance solution for demanding Liujiagou formation drilling. Its combination of exceptional durability, high ROP, and operational reliability makes it the optimal choice for operators seeking to maximize efficiency and reduce well costs.
