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

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

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

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.