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9.5" IADC321 steel tooth tricone bit

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Address : Economic Development Zone of Hejian City, Cangzhou. Hebei, Province.China.
Worktime : 8:00-18:00(Beijing time)

E-mail : amanda@longyuebit.com
Tel : 86-153-73497780(Working time)   
Fax : 86-317-3852-994

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9.5" IADC321 steel tooth tricone bit

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27*24*40cm
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Product description
Parameters

  Basical Specification

  Size of Rock Bit

4  1/2”

6 3/4”

7”

9 1/2”

12”

 15”

114.3mm

171.4mm

177.8mm

241.3mm

304.8mm

 381 mm

 Thread Connection

2 3/8”

 API reg pin

3 1/2”

API reg pin

3 1/2”

API reg pin

6 5/8”

API reg pin

6 5/8”

API reg pin

7 5/8”

API reg pin

Make up torque

6.7-7.5KN.M

8.5-12.2KN.M

38-43.4KN.M

46.1-54.2KN.M

 IADC Code

 321

 Factory Series

 LYB series Rubber Bearing Tricone Rock Bit

  Operating Parameters

WOB(Weight On Bit)

 0.8-1.4 KN/MM

RPM

 200~80

Formation 

Hard with high compressive strength and semi-abrasiveness, such as hard limestone, hard sandstone and dolomite,etc

Recommended Drilling Parameters
IADC WOB(kn/mm) RRM(r/min) Applicable Formations
116 117 0.35~0.8 150~80 Very soft formations with low compressive strength and high drillability.such as clay,mudstone,chalk,etc.
126 127 0.35~0.9 150~70 Soft formations with low compressive strength and high drillability,such as mudstone,gypsum,salt,salt,soft shale,soft limstone,etc.
136 137 0.35~1.0 120~60 Soft to medium soft formations with low compressive strength and high drillability,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds,etc.
216 217 0.4~1.0 100~60 Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft for mations with harder interbeds etc.
246 247 0.4~1.0 80~50 Medium hard formations with high compressive strength,such as abrasive shale,limestone,sandstone,dolomite,hadr gypsum,marble,etc.
417 437 447 0.35~0.9 150~70 Very soft formations with low compressive strength and high drillability,such as clay,gypsum,salt,soft shale,soft limestone,etc.
517 527 0.5~1.0 140~60 Soft formations with low compressive strength ang high drillability such as mudstone,gypsum,salt,soft shale,soft limestone,etc.
537 547 0.45~1.0 120~50 Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,mediun soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds.etc.
617 627 0.45~1.1 90~50 Medium hard formations with high compressive strength such as hadr shale,limestone,sandstone,dolomite,etc.
637 0.5~1.2 80~40 Hard formations with high compressive strength, such as sandstone,limestone,dolomite,hard gypsum,marble,etc.
Note:the upper limits of WOB and Rpm in above lable should bot used simulaneously

 

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CONTACT INFORMATION

Address : Economic Development Zone of Hejian City, Cangzhou. Hebei, Province.China.
Worktime : 8:00-18:00(Beijing time)

E-mail : amanda@longyuebit.com
Tel : 86-153-73497780(Working time)   
Fax : 86-317-3852-994

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