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, also known as a tricone bit, is a type of drill bit used in the oil and gas industry 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 and extraction of natural resources.

The roller cone drill bit consists of three conical rotating heads, each with rows of teeth or cutting elements that are strategically positioned to optimize the drilling process. These cutting elements are typically made of tungsten carbide or other hard materials to withstand the high compressive forces and abrasive conditions encountered while drilling.

The rotation of the drill string causes the roller cones to roll along the bottom of the borehole, allowing the cutting elements to engage with the rock formations. As the cones rotate, the cutting elements crush and chip away at 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 key advantages of roller cone bits is their ability to adapt 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, such as soft, medium, or hard rock.

Additionally, roller cone bits are available in different 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 are widely used in both surface and underground drilling operations, including oil and gas exploration, water well drilling, geothermal drilling, and mining. Their versatility and adaptability make them suitable for a wide range of geological conditions and drilling applications, from soft sedimentary formations to hard, abrasive rock formations.

In summary, roller cone drill bits play a crucial role in the drilling industry, 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 tools for achieving successful and productive drilling operations in diverse geological environments. As technological advancements continue to drive innovation in drilling technologies, roller cone bits will remain essential components in the 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:

• 12.25 537TCI Rollers cones