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

A roller cone bit, also known as a tricone bit, is a critical tool used in the oil and gas industry for drilling through rock formations during exploration and extraction operations. This specialized drill bit is designed to crush and grind hard formations encountered while drilling, making it an indispensable component in the process of accessing underground natural resources.

The roller cone bit features three conical rotating heads, or cones, each equipped with rows of cutting elements, such as teeth or inserts, strategically positioned to optimize the drilling process. These cutting elements are typically made of extremely hard materials like tungsten carbide to withstand the high compressive forces and abrasive conditions encountered while drilling through rock.

As the drill string rotates, the roller cones roll along the bottom of the borehole, allowing the cutting elements to engage with the rock formations. The rotation and rolling action of the cones enable the cutting elements to crush, chip, and gouge the rock, creating a borehole and generating rock cuttings that are subsequently removed by the drilling fluid circulating down the drill string.

One of the primary advantages of roller cone bits is their adaptability to varying formation conditions. The design of the cutting structure, including the type, size, and arrangement of the cutting elements, can be customized to optimize performance in specific geological formations, ranging from soft to hard rock.

Additionally, roller cone bits are available in various configurations to suit specific drilling requirements. This includes variations in bearing types, seal designs, and hydraulic features, allowing for enhanced durability, improved stability, and efficient drilling performance in diverse operating environments.

Roller cone bits find applications in a wide range of drilling operations, including oil and gas exploration, water well drilling, geothermal drilling, and mining. Their versatility and adaptability make them suitable for a diverse range of geological conditions, enabling efficient penetration of challenging formations.

In summary, roller cone bits are essential tools in the drilling industry, playing a pivotal role in enabling the efficient penetration of challenging rock formations during exploration and extraction activities. Their robust construction, customizable design, and ability to withstand extreme drilling conditions make them indispensable for achieving successful and productive drilling operations in diverse geological environments. As technology continues to advance, roller cone bits will remain vital components in the ongoing pursuit of accessing valuable natural resources deep beneath the Earth's surface.

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:

• 9 78 837TCI Rollers cones