Metal sealed bearing Rubber sealed bearing

Single roller cutters  

Size(inch)		IADC code		Bearing type
7 1/2, 8 1/2 9 7/8, 12 1/4		117, 127, 126, 217, 417, 437, 517, 537, 617, 627, 637, 737		Metal sealed bearing Rubber sealed bearing

The basic roller cone, also known as a single cone bit, is a fundamental type of drill bit used in various industries for drilling through rock formations. It is designed to crush and grind hard formations encountered during drilling operations, making it an essential tool in the exploration, mining, and construction sectors.

The basic roller cone bit consists of a single rotating cone head with cutting elements, such as teeth or inserts, strategically positioned around its surface. These cutting elements are typically made of durable materials like tungsten carbide to withstand the high compressive forces and abrasive conditions experienced while drilling through rock.

As the drill string rotates, the cone head rolls along the bottom of the borehole, allowing the cutting elements to engage with the rock formations. The rotation and rolling action of the cone enable the cutting elements to crush and disintegrate the rock, creating a borehole and generating rock cuttings that are subsequently flushed out by the drilling fluid.

One of the key advantages of the basic roller cone bit is its simplicity and versatility. With only a single cone, this type of bit is relatively easy to manufacture and maintain compared to more complex designs. The cutting structure can be tailored to suit different formation conditions by selecting the appropriate type, size, and arrangement of the cutting elements.

Basic roller cone bits are commonly utilized in a variety of drilling applications, including oil and gas exploration, water well drilling, geotechnical investigations, and mineral extraction. They are particularly effective in softer to medium-hard rock formations where their crushing and grinding action can efficiently penetrate and remove material.

While not as specialized as other types of drill bits, the basic roller cone bit remains a cost-effective and reliable choice for many drilling operations. Its simplicity allows for efficient drilling while maintaining durability and performance.

In summary, the basic roller cone bit is a foundational tool in the drilling industry, allowing for the efficient penetration of rock formations during various drilling operations. Its straightforward design, durability, and versatility make it a valuable asset in exploring and extracting natural resources, as well as in construction projects. As advancements in drilling technology continue to emerge, the basic roller cone bit will continue to be an essential component in the pursuit of efficient and productive drilling operations.

Hebei Crossing Drill Bit Manufacture CO.,LTD is a professional supplier of drilling tools,including tricone bit,PDC tricone bit,Hole opener,single cone bit and so on.With years of study and refining of the introduced technology, we have succeeded in the field of product research with proprietary intellectual property rights.Also, we have made major breakthrough in the lines of analogue simulation in bottom-hole flow field,profile optimization,design of inserts arrangement and low torque,material and manufacturing techniques etc. As a result, our products own better characters of service and ranges of application.Mainly used for oil and gas,mining,geothermal,construction and so on.

The products of our company have achieved industrialization and serialization.Besides our company has always laying importance on the technical exchanges and cooperation with the counterparts both at home and abroad.Our products have been sold all over the world, including the United States, England,Canada,Brazil,Italy,Saudi Arabia,Korea, India, and Poland and so on.

Main products

tricone bit(mill tooth and tungsten carbide insert tricone bit)

PDC bit(matrix body and steel body PDC bit)

hole opener(HDD rock reamer,barrel reamer,fluted reamer,etc)

drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)

accessories(roller cone,bit breaker,ring gauge,nozzle ,etc)

 

Milled tooth tricone bits

1, Soft formations ( IADC 114 - 117 )
These bits are designed to drill the softest formations such as soft shales,red beds, and clays, with high durability and maximum penetration rates.

2, Soft to medium formations( IADC 121,124,126,134,136,137 )
These bits are designed to drill formations such as shales, medium soft limestone, Medium sandstone and other formations with intermittent hard streaks.

3, Medium to medium hard formations ( IADC 213,214,215,217)
These bits are designed to drill formations such as hard sandstone, dolomite, and broken formations with hard cherty streaks

4. Hard formations(IADC 317, 337)
These bits are designed to drill formations such as hard limestone, dolomite, hard sandstone and chert, etc.

Key words:

• 8.5 837TCI Rollers cones