- Suitable Formation: Soft - Medium Hard Formations (Clay, Shale, Sandstone)
- Compatible Rig Type: Anchor Drilling Rig, Small Engineering Rig, Geological Exploration Rig
- Quality Certification: ISO 9001
description
PDC Anchor Bits represent a breakthrough in compact drilling technology, engineered to deliver large-bit performance in small-diameter applications. Unlike conventional drill bits that rely on crushing mechanisms, our PDC Anchor Bits feature strategically arranged polycrystalline diamond compact cutters that shear through formations with exceptional efficiency. This advanced cutting action makes them the ideal solution for a wide range of specialized drilling operations where precision, speed, and cost-effectiveness are paramount.
The unique geometry of PDC Anchor Bits allows for rapid chip removal and continuous cutting action, preventing bit balling and ensuring consistent performance across various soil and rock types. From geotechnical investigations to water well development and mineral exploration, these bits maintain their cutting edge longer than traditional alternatives, significantly reducing downtime for bit changes and lowering overall project costs. Their robust construction withstands the demands of both vertical and directional drilling applications, providing reliable performance in challenging downhole conditions.
PDC Anchor Bits deliver exceptional versatility across modern drilling operations, offering superior performance in multiple key sectors:
▶Geotechnical Engineering: Soil sampling, foundation testing, and mini-pile drilling.
▶Water Well Drilling: Efficiently constructing water boreholes for residential, agricultural, and industrial use.
▶Exploration Drilling: Mineral exploration, coreless drilling, and blast hole drilling in mining operations.
▶Construction and Piling: Drilling for anchor bolts, soil nails, micropiles, and ground stabilization.
▶Oil & Gas Services: Used in certain non-core sections and for specialized drilling operations.
PDC Anchor Bits redefine drilling economics and reliability through groundbreaking engineering:
▶Exceptional Drilling Speed: Shears rock significantly faster than crushing-style bits, reducing overall drill time.
▶Superior Durability & Longevity: The ultra-hard PDC cutters are highly wear-resistant, leading to a longer bit life and fewer trips for bit changes.
▶Consistent Performance: Maintain a consistent Rate of Penetration (ROP) throughout their lifespan, ensuring predictable job scheduling.
▶Smooth Borehole Quality: Produce a cleaner, more stable borehole wall with less vibration.
▶Cost-Effective Operation: Higher initial cost is offset by vastly superior meterage, reducing total operational costs.
| Type No. | Pressure (kg) | Speed (r/m) | PDC cutters | Thread size | Rock formation Recommendation |
| Φ25 | 300 - 700 | 150 - 200 | Half-piece PDC Full piece PDC | M14×1.5 | Half piece ordinary PDC：f<6 rock stratum |
| Φ28 | 300 - 700 | 150 - 200 | M16×2 | Whole piece PDC: Relatively complete medium hard rock stratum with f=6 - 10 | |
| Φ30 | 300 - 700 | 150 - 200 | M14×2 | Whole piece of high - density PDC: Relatively complete rock stratum with f=10 - 12 | |
| Φ32 | 300 - 700 | 150 - 200 | M12×2 |
| Feature | PDC Anchor Bits | Tungsten Carbide (Button) Bits |
| Cutting Mechanism | Shearing | Crushing/Grinding |
| Drilling Speed | Very High | Moderate to Slow |
| Formation Suitability | Soft to Medium-Hard, Non-Abrasive | Medium to Very Hard, Abrasive |
| Bit Life | Longer (Higher meterage per bit) | Shorter |
| Borehole Quality | Smooth and Stable | Can be less precise |
| Initial Cost | Higher | Lower |
| Overall Cost-Per-Meter | Lower (More cost-effective) | Higher |
| Best For | Speed, efficiency, soft formations | Hard, abrasive, fractured rock |
While tungsten carbide bits have their place in extreme conditions. In hard and abrasive formations, PDC bits are the unequivocal choice for maximizing speed and reducingcosts in the majority of common drilling applications.
Zhuzhou Better Tungsten Carbide Co., Ltd
ADDRESS： B/V 12-305, Da Han Hui Pu Industrial Park, Zhuzhou City, China.
Phone：+86 18173392980
Tel：0086-731-28705418
Fax：0086-731-28510897
Email：zzbt@zzbetter.com
Whatsapp/Wechat：+86 181 7339 2980
