API tricone factory of Gas drilling bit for hard rock well

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  • API tricone factory of Gas drilling bit for hard rock well
  • API tricone factory of Gas drilling bit for hard rock well
  • API tricone factory of Gas drilling bit for hard rock well

PRODUCTS DETAILS

Wholesale API natural gas tricone rock drill bits with metal face sealed bearing from China factory. IADC: 437 is TCI journal sealed bearing bit with gauge protection for soft formations with low compressive strength and high drillability. The compressive are as following: 65-85 MPA 9,000-12,000 PSI We can offer tricone bits in a variety of sizes (from 3” to 26”) and most of IADC Codes. Gas main engineering geology problems of deep well drilling (abnormal formation pressure, sidewall instability, formation natural deflecting and reservoir damage, etc.) and its characteristics, prevention, and treatment mainly drilling engineering geological problems. In the design and construction of drilling well-drilling engineering geological problem analysis and follow-up evaluation, especially to deal with the four pressure (formation pressure and collapse pressure, leakage pressure and drilling fluid column pressure), is to improve the design quality, achieve the fundamental guarantee of safe drilling smoothly.
Basical Specification
Size of Rock Bit 8 1/2 inches
215.90 mm
Bit Type TCI Tricone Bit
Thread Connection 4 1/2 API REG PIN
IADC Code IADC 417G
Bearing Type Journal Sealed Bearing with Gauge Protection
Bearing Seal Metal face sealed
Heel Protection Available
Shirttail Protection Available
Circulation Type Mud Circulation
Drilling Condition Rotary drilling,high temp drilling,deep drilling,motor drilling
Total Teeth Count 80
Gage Row Teeth Count 33
Number of Gage Rows 3
Number of  Inner Rows 7
Jounal Angle 33°
Offset 8
Operating Parameters
WOB (Weight On Bit) 17,077-49,883 lbs
76-222KN
RPM(r/min) 300~60
Recommended upper torque 16.3-21.7KN.M
Formation Soft formation of low crushing resistance and high drillability.
table
8 1/2 inches rock drill bits IADC437 is for soft formations well drilling. For very deep well drilling, we recommend Metal-face sealed bearing tricone bits in drilling depth exceeds 1000 meters, for hard rock and long distancetrenchless pilot hole drilling that length exceeds 300 meters we also recommend metal-face sealed bearing tricone bits. Far Eastern drilling have 15 years and more than 30 countries services experience to supply the drill bits and advanced drilling soulutions for many different applications. The application including oil field,natural gas,geological exploration,driectional boring,water well drilling ,The various drill bits can be customized as per different rock formation as we have got certificate of  API & ISO for tricone bits and PDC bit. We can give our engineer's solution when you can supply specific conditions, such as hardness of rocks,types of drilling rig,rotary speed,weight on bit and torque.

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