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Rotary drill bit
11 5/8'' 127
Rock Bit


Drill bit Parameters

Tri-cone bit type

11 5/8'' 127

Diameter

295.3mm

IADC

127

API Pin Connection

6 5/8'' API REG

WOB(KN/mm)

0.35~1.00

RPM(r/min)

150~70

Applicable Formation

Soft with low compressive strength and high drillability, such   as shale, clay, salt bed and soft limestone, etc.

Features

It   features long service life, good suitability, excellent gage protection and   high drilling efficiency, etc. under medium to low WOB and higher RPM   conditions, which results in higher cost-effectiveness.

  Note:   the upper limits for the bit weight and rotary speed recommend in the table   can not be      used at the same time.


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Hubei Ou Rui Petroleum Machinery Equipment Co.,Ltd.
Hubei Ou Rui Petroleum Machinery Equipment Co.,Ltd.
Hubei Ou Rui Petroleum Machinery Equipment Co.,Ltd.
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