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API factory of geothermal well tricone drilling bits in stock

Product Description

Wholesale API oil tricone rock drill bits in stock with discounted price from China factory Far Eastern Drilling can offer TCI tricone bits and steel teeth tricone bits in a variety of sizes (from 3” to 26”) and most of IADC Codes. IADC: 237 is Steel tooth journal sealed bearing bit with gauge protection for medium to medium hard formations with high compressive strength.The compressive strength is 20-40MPA and 3000-6000PSI/20 - 40 MPA/3,000 - 6,000 PSI. IADC237 triocne bits will be used for sandstones with streaks of quartz, hard limestone or chert, crystalline dolomites, hematite ores, and hard shales.

Product Specification

Basical Specification

Size of Rock Bit

12 1/4 inches

311.2 mm

Bit Type

Steel Teeth Tricone Bit / Milled Teeth Tricone Bit

Thread Connection

6 5/8 API REG PIN

IADC Code

IADC237G

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

147

Gage Row Teeth Count

40

Number of Gage Rows

3

Number of  Inner Rows

9

Jounal Angle

33°

Offset

6.5

Operating Parameters

WOB (Weight On Bit)

35,053-83,813 lbs

156-373KN

RPM(r/min)

300~60

Recommended upper torque

37.93KN.M-43.3KN.M

Formation

Medium to medium hard formation of high crushing resistance.