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7 7/8"(200mm) TCI Tricone Bit for Hard Rock Drilling IADC537G

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7 7/8 inches TCI Tricone Bit
Affiliate classification

7 7/8"(200mm) TCI Tricone Bit for Hard Rock Drilling IADC537G

  Tricone Bits - 7 7/8''
Products Speification              
                                                    Cone Size   7 7/8"
                                               Bearing Type   Elastomer Sealed Bearing
                                                  Tooth Type    TCI
                                          Circulation Type   Mud Fluid
                                      Thread Connection   4 1/2 Reg Pin
                                         Gauge Protection   Available
                                       Shirttail Protection   Available
Operating Parameters  
                                                 RPM (r/min)   120~50
                                                     WOB(KN)   90~200
                                                  Application Medium formations,such as medium shale,
limestone, medium sandstone,medium
formation with harder and abrasive interbeds,etc.

Shale gas well drilling bit 7 7/8inches IADC537G, for medium formations.


7 7/8inches(200.0mm) TCI tricone bit, as a regular diameter, it is preferable for clients working in shale gas well drilling field.


IADC537G illustrates some features of the tricone bit.


Firstly, it is chisel-inserts, for drilling medium hardness and dense formations with high compressive strength and some abrasive layer, ranging from 80 to 150Mpa.


Secondly, it is sealed journal bearing with gauge protection.


What's more, it has extra gage protection on the back of the arm/leg.


In addition, 7 7/8 inches is a common size in mining field, to drill blast hole. But it is different from the shale gas well that circulated by mud fluid.



Oil/Gas Well Drilling   .Water Well Drilling   .HDD(Trenchless)   .Foundation Piling
 Our Mission:
 Lower the cost of
 Who we are:
 To extract sources of energy underground.  
 To extract the water underground.
 To install pipelines underground with No-Dig. 
 To pile foundation for constructions.
 We are one of the people who makes above easier. 
 Let’s work together and enjoy this job.
A face-to-face meeting is welcomed in below exhibitions, including OTC , Bauma Germany/    China, No-Dig Shows, etc.
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