|Size:||8 1/2"||Color:||Blue, Red, Green Or Customized|
|Diameter:||9 7/8inch||Bearing:||Rubber Sealed Bearing|
|Applicable Industries:||Construction Works , Energy And Mining||Type:||Drill Bit|
Tungsten Carbide Tricone Drill Bit,
172mm Three Cone Bit,
rotary tricone rock drill bit
Tricone Roller Cone Bits
Single Roller Cone Bits Tungsten Carbide Insert Tricone Thirds
In response to the characteristics that inserts in different areas on the cone have different cutting actions, conical inserts are placed in permanent contact area and wedge inserts are placed in alternative contact area so that the drilling efficiency is greatly improved. Wear resistance of cutting structure is enhanced by setting diamond inserts in the permanent contact area of the cone where inserts are severely worn. Tungsten carbide inserts are placed on cone top face to protect cone body from abrasive erosion.
With active cutting gauge protection inserts on bit body, the bit has good gauge protection and up drill capability.
High precision journal bearing. Balls lock the cone.Hardface heard bearing surface. Cone bearing inlaid with friction-reducing alloy. Abrasion resistance and seizure resistance of the bearing are improved. Compared with three cone bit, the leg bearing is bigger, so it can receive higher WOB and high reliability.
Small angled watercourse design increased the shirttail thickness and can effectively prevent the watercourse erosion.Optirnized hydraulics structure improves the clearing capability and increases ROP.
It is suitable for sidetracking, deep well drilling and old well repairing.
|Applicable Industries||Construction works , Energy and Mining|
|Machine Type||Drilling Equipment|
|Color||Blue, red, green or Customized|
|Bearing||Rubber sealed bearing|
|LOBE||Stage||Flow Rate lpm gpm||Rotory peed rpm||
|5LZ95x7.0L-5-600||95 3 3/4||3 1/2REG 2 7/8IF Pin||5:6||5||320-800 85-211||124-300||1388 1025||1962 1477||53 72|
|5LZ120x7.0-5-864||120 4 3/4||3 1/2REG 3 1/2IF Pin||5:6||5||650-1300 171-342||140-280||2344 1730||3312 2443||87 117|
|5LZ165x7.0-5-840||165 6 1/2||4 1/2REG 4 1/2IF Pin||5:6||5||862-1724 228-456||87-174||4590 3386||6484 4783||100 135|
|5LZ172x7.0-5-840||172 6 3/4||6 5/8REG 5 1/2FH pin||5:6||5||947-1894 250-500||78-154||5200 3835||7345 5417||118 159|
|5LZ203x7.0 -5-840||203 8||6 5/8REG 6 5/8FH||5:6||5||1113-2225 295-588||79-158||6277 4629||8866 6540||130 176|
With particular structure of the cone,equal worn of the compacts in permanent contact area and alternative contact area of the bit is realized.
Wear resistance of the cutting structure is enhanced by setting PDC cutters in the permanent contact area of the cone where compacts are most severely worn.
Optimized hydraulics structure improved the cleaning ability of hydraulic system on cone and bottom hole,and assure higher ROP.
The bit has excellent gage protection and up reaming abilities by setting active cutting conical spherical gage compacts on head body.