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Rotary drill bit
11 5/8'' 137
Rock Bit


Drill bit Parameters

Tri-cone bit type

11 5/8'' 137

Diameter

295.3mm

IADC

137

API Pin Connection

6 5/8'' API REG

WOB(KN/mm)

0.35~1.05

RPM(r/min)

120~60

Applicable Formation

Soft to medium soft with low compressive strength or soft with   harder stringers, such hard gypsolyte, soft limestone and sandstone, 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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