+86 10 8467 3566
+86 10 8467 3566
IADC CODE:417 437 517 537 617 637 737 837
>> Application
The tricone drill bit is the most popular drill bit in the world, it can be widely used for oil&gas drilling, mining, water well, geological exploration areas.Our tricone drill bit is divided into metal sealed drill bit and rubber sealed drill bit.
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PRODUCT DESCRIPTION
TCI Tricone 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.
>> Characteristics
The tricone drill bit is the most popular drill bit in the world, it can be widely used for oil&gas drilling, mining, water well, geological exploration areas.Our tricone drill bit is divided into metal sealed drill bit and rubber sealed drill bit.
>> The C-centre jet can avoid the formation of a ball in the bit, eliminate the fluid area at the bottom of the hole, accelerate the upward flow of cuttings and improve the ROP.
>> High saturation NBR bearings can reduce sealing pressure and improve sealing reliability.
>>Gauge protection improves gaugeability and extends bit life.
>>Add a row of teeth between the rear taper and the outlet to trim the hole and protect the taper.
>> Specification
ROLLER CONE BITS(IADC) | ROLLER CONE(m/h) | FORMATION HARDNESS | FORMATION | ROCK TYPE | COMPRES SSTRENGTH | |
| WEM | OBM | |||||
| 111/124 | 15-30 | 18-33 | Very soft | Soft formation with sticky layers and lom compressive strength | Clay,Silts,Sands | <25MPa |
| 116/137/437 | 45184 | 45278 | Soft | Soft formation with lom compressive strength and high drillability | Claystone,Marl,Lignite,Sandstone,Tuff | 25-50MPa |
| 136/137/517/527 | 4.5-9 | 45089 | Medium soft | Soft to medium formation with lom compressive strength interbed with hard layers | Claystone,Marl,Lignite,Sandstone,Silts ,Anhydrites,Tuff | 50-75MPa |
| 211/217/517/537 | 2.5-6 | 44991 | Medium | Medium to hard formation with high compressive strength and small abrasive layers | Mudstone Limestone Anhydrite Sandstone(Calcareous) | 75-100MPa |
| 211/236/537/617 | 1.5-2.5 | 1.5-3 | Medium Hard | Hard and dense formation with very high compressive strength but non abrasive | Limestone,Anhydrite,Dolomite | 100-120MPa |
| 311/347/627/637 | 1-1.5 | 1-1.5 | Hard | Hard and dense formation with very high compressivestrengthand some abrasive layers | Shale(Calcareous),Sandstone(Siliceous) ,Siltstone | 100-200MPa |
| 637/737/837 | 1 | 1 | Very Hard | Extremely hard and abrasive formations | Quartzite,Igneous rocks | >200MPa |
>> Project
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