Top Quality Drilling Cones - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN

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Top Quality Drilling Cones - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN Detail:

IADC417 12.25mm tricone bit

Product Description

Tricone rock bit IADC537

Wholesale API TCI sealed bearing roller bits in the stock from China factory is for drilling rig machinery.
Optimal test method for drilling parameters:
1. Drill for 5 minutes with initially selected proper WOB and moderate RPM and record the ROP (as shown in the table below).
2. Moderately increase WOB and keep the same RPM and drill under this WOB for 5 minutes and again record the ROP (as shown in the table below).
3. Decrease WOB b the same extent and tepeat step 2.
4. Find the WOB in the tow groups of test than can yield highest ROP.
5. Properly change RPM under optimal WOB and record the ROP (as shown in the table below).
6. Select the RPM at the highest ROP.
7. Set the drilling parameter at the best combination

IADC417 12.25mm tricone bit

Product Specification

Basical Specification
Size of Rock Bit	5 1/2 inches
Size of Rock Bit	140mm
Bit Type	TCI Tricone Bit
Thread Connection	3 1/2 API REG PIN
IADC Code	IADC 537G
Bearing Type	Journal Sealed Bearing with Gauge Protection
Bearing Seal	Elastomer or Rubber/ Metal
Heel Protection	Available
Shirttail Protection	Available
Circulation Type	Mud Circulation
Drilling Condition	Rotary drilling, high temp drilling, deep drilling, motor drilling
Nozzles	Three Nozzles
Operating Parameters
WOB (Weight On Bit)	14,156-31,458 lbs
WOB (Weight On Bit)	63-140KN
RPM(r/min)	50~120
Formation	Medium formation with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc.

table

Far Eastern are factory specializes in drill bits,such as tricone bits, PDC bits, HDD hole opener, Foundation roller cutters for different applications.
As a leading drill bits factory in China, increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.

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We believe in: Innovation is our soul and spirit. Quality is our life. Customer need is our God for Top Quality Drilling Cones - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN , The product will supply to all over the world, such as: California, Iran, Ottawa, Insisting on the high quality generation line management and customers expert assistance, we now have designed our resolution to offer our buyers using the to start with amount getting and just after services practical experience. Maintaining the prevailing friendly relations with our buyers. We are ready to face the worries and make the improve to understand all the possibilities in international trade.