My Site

Products
Contact Us

Beijing Faster Drilling Tools Limited

International Department

Metis Lau (Sales Manager) 

E-mail:manager@fasterdrilling.com
Personal E-mail: metislau@qq.com
Mobile:+86-15832778810
Office:+86-317-3665870
WhatsApp: +86-15832778810
Skype:  metislau
QQ/WeChat:375071492
Address: No.137 of Yucai Road,Hejian City,Hebei Province,China
http://www.fasterdrilling.com

Tricone Bit current location: Home > Tricone BitFHJ/HJT Series Tricone Bit(2)



 

IADC Recommendation  
Applicable Formation
WOB KN/mm (bit dia.) Rotary Speed (rpm)
437 / 447 0.35~0.9 240~70 Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft shale, soft limestone, etc.
517 / 527 0.35~1.0 220~60 Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc.
537 / 547 0.45~1.0 220~50 Soft to medium formations with low compressive strength, such as medium soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasiver interbed, etc.
617 0.45~1.1 200~50 Medium hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc.

共2页: 上一页12下一页

Company
Contact Us