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API oil well drilling head for rotary rig for hard formation

Product Description

Wholesale API rotating head for petroleum drilling rig in stock with discounted price from China factory
IADC: 215 is for medium to medium hard formations with high compressive strength.It is steel tooth sealed roller bearing bit with gauge protection.
The ground details is for soft,unstratified,poorly compacted rocks ,including sand stones,marl limestones, poorly compacteds clays,gypsum,salts and hard coals.
The tricone bit is an important drilling tools.The function of tricone roller bit has impacting,crushing and shearing and bearking the stratum rock when the roller cones rotates.Therefore,the tricone roller bit can adapt to various soft,medium and hard stratums.

Product Specification

Basical Specification

Size of Rock Bit

12 1/4 inches

311.20 mm

Bit Type

Steel Teeth Tricone Bit / Milled Teeth Tricone Bit

Thread Connection

6 5/8 API REG PIN

IADC Code

IADC215G

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

135

Gage Row Teeth Count

38

Number of Gage Rows

3

Number of  Inner Rows

6

Jounal Angle

33°

Offset

9.5

Operating Parameters

WOB (Weight On Bit)

17,527-48,985 lbs

78-218KN

RPM(r/min)

300~60

Recommended upper torque

37.93KN.M-43.3KN.M

Formation

Medium to medium hard formation of high crushing resistance.