API 8 1/2 inches diamond tricone bit for natural gas well drilling

Bit Spec:	8 1/2 inches (215.90mm)
Bit Type:	Steel tooth tricone bit
IADC code:	IADC135
Order Qty:	1 pc
Package Details:	Wooden Case
Delivery:	5 days
Advantage:	Good Performance
Recommended Upper Torque:	16.3KN.M-21.7KN.M
Application:	Oil Well ,Natural Gas, Geothermy,Water Well Drilling

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Product Detail

Catalog

Product Description

Wholesale API oil button drilling bits in stock with discounted price from China factory
Far Eastern Drilling can produce TCI tricone bits and steel teeth tricone bits.Steel tooth tricone bit also call milled tooth tricone bit.The bit size rang is from 3" to 26". We can supply most of IADC Codes. Drilling project is an important link of exloration and developemnt of petroleum and natual gas.
We will try our best to improve the bit quality to extend the bit life.

Product Specification

Basical Specification
Size of Rock Bit	8 1/2 inches
Size of Rock Bit	215.90 mm
Bit Type	Steel Teeth Tricone Bit
Thread Connection	4 1/2 API REG PIN
IADC Code	IADC135
Bearing Type	Journal Bearing
Bearing Seal	Elastomer sealed or Rubber 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	83
Gage Row Teeth Count	35
Number of Gage Rows	3
Number of Inner Rows	5
Jounal Angle	33°
Offset	8
Operating Parameters
WOB (Weight On Bit)	9,662-33,930 lbs
WOB (Weight On Bit)	43-151KN
RPM(r/min)	300~60
Recommended upper torque	16.3KN.M-21.7KN.M
Formation	Soft formation of low crushing resistance and high drillability.

8 1/2 is the most regular sizes in oil well rock drilling fields.It is working well with small capacity drilling rigs and widely used in the world.To choose the correct model is important during the drilling project.
In drilling project, Far Eastern 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 becasue we have our own API & ISO certified factory of tricone drill bits. 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.