Tricone Bit-Zhengzhou unique industrial equipment co.,ltd

Tricone Bit

tricone bit is widely used in drilling projects, oil&gas well drilling, geothermal well drilling, water well drilling, and trenchless drilling,. tricone bit is suitable for drilling medium hardness rocks, like limestone, shale, sandstone, etc.

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Description Specifications Related Products Inquiry

Drillers use it as integral tri-cone bits, or split it into 3 segment(thirds, 1/3) to weld it on trenchless hole opener, foundation rock piling core barrel.

In water and geothermal well drilling fields, elastomer sealed bearing is recommended to achieve high cost-performance. Premium O-ring sealing, pressure compensation system and specific grease can greatly increase the reliability of bearing.

Technical Parameters

Size	4 1/2 inches (114.3mm)	6 inches (152.4mm)	8 1/2 inches (215.9mm)	9 7/8 inches (250.8mm)	12 1/4 inchs	13 5/8 inches 346.1mm	14 3/4 inches 374.6mm	17 1/2 inches 444.5mm	20 inches
IADC Code:	537	537	537	537	537	537	537	537	537
Thread Connection	4 1/2 REG PIN	3 1/2 REG PIN	4 1/2 REG PIN	6 5/8 REG PIN	6 5/8 API REG PIN	6 5/8 API REG PIN	7 5/8 REG PIN	17 1/2 REG PIN
Operating Parameters
WOB	51-114KN	68-152KN	108-258KN	112-250KN	156-373KN	121-346	131-347KN	200-444KN
RPM	120-50	120-50	80-40	120-500	80-40	140-60	140-60	120-50
Formations	Soft to medium with low compressive strength, such as medium, soft shale,medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds,etc.	Medium formations,such as medium shale, limestone, medium sandstone, medium formation with harder and abrasive interbeds,etc.	Hard formation with high compressive strength ,such as hard shale, sandstone, dolomite, hard gypsum,chert,granite,etc.	Soft to medium formation with low compressive strength, such as medium,soft shale,medium soft limestone, medium soft sandstone, medium formation withharder and abrasive interbeds, etc.	Medium/Hard formation	Medium-Hard rocks	Medium-hard rocks	Soft to medium with low compressive strength, such as medium, soft shale,medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds,etc.	Medium-hard rocks

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