Case Study: 6-1/2" SD6541 Drill Bit Delivers Outstanding Performance in Taiyuan Formation
Basic Job Information
| Parameter | Details |
|---|---|
| Bit Size & Model | 6-1/2" SD6541 |
| Bit Serial Number | 2864 |
| Well Team | 3575 |
| Well Number | 40607 |
| Well Section | 2830 m |
| Formation | Su 25-2-16X (Taiyuan Formation) |
Performance Highlights
- Total Drilling Footage: 745 meters
- Pure Drilling Time: 334 hours
- Average Rate of Penetration (ROP): 2.23 m/h
- Final Drilling Status: Fully drilled (no premature failure)
Key Performance Advantages
1. Superior Durability in Abrasive Formations
The SD6541 drill bit successfully completed the entire 745-meter run in the hard, abrasive Taiyuan Formation without any damage to the cutting structure or gauge. This exceptional wear resistance eliminated the need for bit trips, significantly reducing non-productive time (NPT).
2. Stable and Reliable Drilling
With consistent performance across variable rock hardness, the bit maintained smooth drilling operations throughout the job. The final "fully drilled" status confirms its reliability and suitability for challenging geological conditions.
3. Optimized Design for Extended Run Life
Engineered with advanced cutting elements and gauge protection, the SD6541 achieved an impressive run length, demonstrating its ability to maximize footage per bit run and lower overall well costs.
Conclusion
This field application validates the 6-1/2" SD6541 drill bit as a robust and efficient solution for the demanding Taiyuan Formation. Its combination of exceptional durability, stable ROP, and reliable performance makes it an ideal choice for operators seeking to minimize downtime and maximize drilling efficiency in abrasive environments.
