Business Type: Manufacturer/Factory
Yongzhou, Hunan, China
|IADC||Rock formation||WOB (KN/mm)||PRM(r/min)|
|417/427/437||Low compressive strength, high drill-ability and extremely soft formation, like shale, clay, sandstone, conglomerate etc||0.35~0.90||140~70|
|447||Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc.||0.35~1.00||140~60|
|517||Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, etc||0.35~1.05||120~50|
|527||Soft formation with low compressive, like Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, anhydrite etc.||0.35~1.05||120~50|
|537/547||Low compressive strength, medium hard formation with hard abrasive interlayer, like Hard shale, anhydrite, soft limestone, sandstone, dolomite with mezzanine, etc.||0.50~1.05||110~40|
|617/627||High compressive strength, medium hard and thick hard interlayer, like hard shale, limestone, sandstone, dolomite, etc.||0.50~1.05||80~40|
|637/737||High compressive strength, medium hard and high abrasive formation, like limestone, dolomite, sandstone, chert, etc.||0.7~1.20||70~40|
PEARLDRILL is a leader in the manufacture and development of many kinds of bits in China. We provide the best quality PDC coring drill, DTH drill, Tri drill bits etc to the market, all types of non-coring or coring drill traces. Our drill bits are used for well drilling, mining and construction contractors. Our drill bit has been tested and verified by time, with wear resistance and fast drilling speed. Different drill bits can be customized according to different rock formations. The engineering time is greatly shortened, and the maximum performance is exerted in the operation during drilling. Our products are durable and reliable. Our products are the preferred drill bits for drilling engineers in many countries because of our precise design and efficient drilling during use.
-WHY CHOSE US---The first-class engineers of tricone bits and PDC bits
DIY customization: please provide your rock formation information or detailed size drawings.
Free samples: some samples can be provided free of charge.
Payment:T/T L/C,D/A,D/P,Western Union,MoneyGram.
Fumigation Tray if necessary
Other special package can be applied
according to customer's need
|Prepared to deliver within 1 week, if in stock|
Depends on order quantity, when out of stock
Transportation:By sea or air