3 wings chevron drag bits are one piece construction of alloy steel cast with tungsten carbide cutting tips and gauge sides to ensure longer life. It has 3 wings and 3 flushing holes. Compared with 4 wings, 3 wings chevron drag bits tend to drill faster and aggressively, whereas, are shorter lasting and less durable. Rotary table speed of step drag bits should be between 50 and 60 rpm with light to medium weight on bit (WOB), because harder formations, like hardpan and gravel, require more WOB.
3-wings chevron drag bits are economical tools when drilling softer geological formations and shallower depths. They are primarily designed for medium to hard formations and are used in areas that contain a lot of rock, such as hard shale, limestone, and tougher gravels, etc.
Designed for optimal performance in softer to medium-hard unconsolidated formations, 3 Wings Chevron Drag Bits incorporate a robust construction to ensure both strength and efficiency. Key features focus on the integrity of the bit body and the precision of its cutting elements, ensuring reliable operation in various drilling applications.
The precise engineering of these bits contributes significantly to their longevity and effectiveness.
- A solid one-piece heat-treated, 4140 alloy steel body for bit strength & durability;
- CNC threaded machining for proper installation & use;
- Forgings are milled to better seat the carbide inserts.
Furthermore, the design emphasizes superior cutting action and wear resistance.
- Select tungsten carbide inserts 5.5mm thick are standard.
- Relief is hand ground behind carbide inserts for maximum performance.
3 Wings Step Drag Bits are engineered for effective drilling in soft to medium-hard unconsolidated formations, offering a distinct advantage with their stepped cutting design. This configuration enhances material evacuation and improves penetration rates by creating multiple cutting edges. The robust construction ensures durability, making them suitable for a variety of drilling projects.
These bits are particularly versatile, finding extensive application across numerous sectors where efficient penetration through specific geological conditions is paramount. Their design allows for reliable performance in challenging environments.
- A solid one-piece heat-treated, 4140 alloy steel body for bit strength & durability: The bit body is crafted from high-grade 4140 alloy steel, meticulously heat-treated to achieve exceptional strength and durability, providing a robust foundation that withstands the rigorous demands of continuous drilling operations.
- CNC threaded machining for proper installation & use: Precision CNC machining ensures that the bit’s threads are perfectly formed, allowing for seamless and secure attachment to the drill string, which is critical for preventing slippage and ensuring safe, efficient operation during drilling.
- Forgings are milled to better seat the carbide inserts: The bit’s forgings undergo precise milling processes. This crucial step creates perfectly contoured seats for the carbide inserts, ensuring they are optimally positioned and securely held in place, maximizing cutting efficiency and bit longevity.
- Select tungsten carbide inserts 5.5mm thick are standard: High-quality tungsten carbide inserts, with a standard thickness of 5.5mm, are carefully selected and integrated into the design. These durable inserts are specifically chosen for their superior wear resistance and cutting capability, allowing the bit to effectively penetrate various formations.
- Relief is hand ground behind carbide inserts for maximum performance: Skilled artisans meticulously hand-grind relief behind each carbide insert. This detailed process ensures optimal chip evacuation, preventing material buildup around the cutting edges and allowing the inserts to engage the formation more effectively, leading to enhanced drilling performance.
3 Wings Step Drag Bits are highly recommended for drilling applications across diverse industries due to their efficient design and robust construction:
- Mining: These bits are ideal for various mining operations, including exploration drilling to identify new deposits and production drilling for extracting minerals, performing exceptionally well in soft to medium-hard rock formations commonly encountered in mining.
- Exploration: In geological exploration, where precise and efficient penetration is crucial for sampling and analysis, these bits provide the necessary performance to quickly and accurately assess subsurface conditions in various unconsolidated ground types.
- Environmental: For environmental drilling projects, such as soil sampling, monitoring well installation, and remediation efforts, the bits’ ability to drill cleanly and effectively in diverse soil and soft rock conditions is highly advantageous, minimizing disturbance.
- Water well: They are extensively used in water well drilling, especially when navigating through unconsolidated sediments, clays, and soft shales, enabling the rapid and efficient creation of boreholes for accessing groundwater resources.
- Geo Exchange: In geo exchange (geothermal) drilling, where boreholes are created for ground source heat pump systems, these bits offer a reliable solution for penetrating the typically softer geological strata encountered, ensuring efficient installation of geothermal loops.
Note: The diameter and thread shown above are the usual size; other sizes are available upon request.
Thread size: 2 3/8” API Reg, 2 7/8” API Reg, 3 1/2” API Reg, 4 1/2” API Reg, 6 5/8” API Reg, 2” API IF, 2 3/8” API IF, 2 7/8” API IF, A Rod, N Rod, AW, BW, NW, AWJ, BWJ, NWJ.
