Payment & Shipping Terms:
|Model Number:||8 3/4"||Type:||TCI Tricone Bit|
|Usage:||Oil Field, Natural Gas, Mining Drlling, Water Well||Material:||T.C.With Diamond Anti-abrasive Layer|
|Application:||Mining Drlling, Water Well Drilling||Tooth Type:||Insert Tooth|
|Thread:||4-1/2API REG||Bearing:||Sealed Journal Bearing|
|Package:||Carton And Wooden Case|
API 8 3/4" TCI Drill Bit/Insert Tricone Rotary Bit,water well drilling equipment ,drilling for groundwater
Rolling cutter bits, which some may also call roller cone bits or tri-cone bits, have three cones. Each cone can be rotated individually when the drill string rotates the body of the bit. The cones have roller bearings fitted at the time of assembly. The rolling cutting bits can be used to drill any formations if the proper cutter, bearing, and nozzle are selected.
We are a professional company in supplying tricone bits,steel teeth bits,single cone bits,and PDC bits.
Bits sizes range from 3 7/8” to 26”.and cover almost all IADC codes.It can be used in various of different fields,mining,hydrology,subterranean heatpilling,water well drilling and oil well drilling.This type of bits have optimal bearing design, it can be working stably in high WOB,and the qualtiy tungsten carbide inserts on cone and the gauge make a good wear resistance largely extend the working life of bits.It is suitable for medium to hard formation.
The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.
Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.
High precision roller bearing with two thrust faces. Ball lock the cone.Thrust faces hardface with wear resistant alloy. Abrasion resistance and seizure resistance of the bearing are improved.
Seal and Lubrication
Premium O-ring, Optimal seal compression and curved seal structure can enhance the seal performance. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
From 2 7/8 to 26”
larger sizes for hole opener bit ,reamer bit
|Advantage||most favourable price and best qualtity|
sealed bearing and non-sealed bearing
HJ(metal sealed journal bearing)
aircooled bearing type
|Formation||soft ,medium soft ,hard,medium hard,very hard formation|
|Button size (extra features)||
Button bit,saw teeth
3)K- wide teeth
4)G- Gague protection
petroleum&gas ,water well ,mining and tectonic industries
,oil field, construction, geothermal,
directional boring, and
underground foundation work
|114/116/117||0.3~0.75||180~60||Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc.|
|124/126/127||0.3~0.85||180~60||Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.|
|134/135/136/137||0.3~0.95||150~60||Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.|
|214/215/216/217||0.35~0.95||150~60||Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.|
|227||0.35~0.95||150~50||Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc|
|Note: The upper limits of WOB and RPM in above table should not be used simultaneously.|
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.