Top Suppliers Tricone Bit For Sale - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN
Top Suppliers Tricone Bit For Sale - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN Detail:
![]()
Product Description
![]()
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
![]()
Product Specification
|
Basical Specification |
|
|
Size of Rock Bit |
5 1/2 inches |
|
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 |
|
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. |
![]()
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.



Product detail pictures:
Related Product Guide:
It can be a great way to enhance our solutions and service. Our mission would be to build inventive products to consumers with a superior working experience for Top Suppliers Tricone Bit For Sale - 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: Netherlands, Rome, Sudan, We aim to build a famous brand which can influence a certain group of people and light up the whole world. We want our staff to realize self-reliance, then achieve financial freedom, lastly obtain time and spiritual freedom. We do not focus on how much fortune we can make, instead we aim to obtain high reputation and be recognized for our products. As a result, our happiness comes from our clients satisfaction rather than how much money we earn. Ours team will do for you always.

A good manufacturers, we have cooperated twice, good quality and good service attitude.





