4 3/4 XS-CZ 4136(24044) Size PDC Drill Bit with GI Cutter Grade and 2-7/8REG API Connection for Oil and Gas Drilling
The XS series is a specialized drilling bit lineup engineered for unconventional drilling operations. Featuring multiple functional modules including core drilling, while-drilling reaming, and milling capabilities, this comprehensive solution reduces tool change frequency during well operations. It serves as a professional, high-performance system for complex, non-standard well conditions.
Equipped with high-performance core bits featuring Sichuan-style standard connections, this module achieves single-trip core lengths up to 9.5 meters with core recovery rates exceeding 98%. This significantly enhances geological sampling efficiency and data accuracy.
An eccentric, twin-body while-drilling reamer with a pilot-hole-to-reaming-diameter ratio of approximately 1.2-1.5. Equipped with an automated mechanical centering mechanism, it enlarges wellbore diameter during drilling, enabling complete reaming operations in a single run.
Integrating multiple high-wear-resistant components including diamond-composite teeth, gradient cemented carbide, and natural diamond matrices. These milling shoes deliver exceptional performance for complex downhole obstruction-clearing operations such as casing milling and debris milling.
This specialized drilling system provides tailored solutions for a wide range of non-standard drilling challenges, including:
- Core sampling operations
- While-drilling reaming applications
- Casing milling operations
- Debris milling procedures
- Other unconventional special drilling operations
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