Oil Well Drilling API 17 1/2" IADC637 tricone rock bits
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Oil Well Drilling API 17 1/2" IADC637 tricone rock bits
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Features
Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: 17 1/2
High Light:

IADC637 Tricone Rock Bits

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17 1/2" Tricone Rock Bits

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17 1/2 inch tricone drill bits

Payment & Shipping Terms
Packaging Details: wooden box
Supply Ability: 100000 pcs
Specifications
Product Description

 

API 17 1/2" Tricone Bit IADC637 for Oil well Drilling , water well drilling

 

 

The Tricone  roller cone bit is the most widely used drilling bit. When the roller cone bit is working, the cutting teeth alternately contact the bottom of the well, the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small, the specific pressure is high, and it is easy to eat into the formation; the total length of the working edge is large, so the wear is relatively reduced. Cone bits can adapt to a variety of formations from soft to hard.

 

 

Our tricone bits are mainly used in oil well, water well, geothermal well drilling engineering. Roschen drilling bits are designed and manufactured according to the API & ISO standard which characteristics are long life, high drilling efficiency and low operation cost. We can produce bit sizes ranging from 2 7/8" to 26"and they can be applied to different formations from soft to very hard.

 

Oil Well Drilling API 17 1/2" IADC637 tricone rock bits 0

 

 

API 17 1/2" IADC 637 Tricone Drill Bit for Water Well Drilling
Diameter 17 1/2” = 444.5mm
Model HA637G
Pin Thread API Reg. 7 5/8”
Gross Weigh/Net Weight 260/280 Kgs
Packing Size 500X500X650 mm
Product Standard API SPEC 7-1
Bearing O-Ring Sealed Journal Bearing
Normal WOB 0.7~1.2 KN/MM
Rotary Speed 70~40 RPM
Cutting Structure Large radius scoop compacts in inner row,spherical compacts in outer row,and a row of trimmers is added between gage row and heel row.
Drilling Formation Medium hard with high compressive strength and high abrasiveness, such as limestone, dolomite, sandstone and chert, etc.

 

 

Oil Well Drilling API 17 1/2" IADC637 tricone rock bits 1

 

API ROSCHEN Brand Tricone Bit Tolerance
Outer Diameter of Tricone Bit Outer Diameter Tolerance
3 3/8 ~ 13 3/4 inch 0 ~ 0.0313 (1/32) inch 0 ~ 0.79 mm
14 ~ 17 1/2 inch 0 ~ 0.0625 (1/16) inch 0 ~ 1.57 mm
17 5/8 ~ 26 inch 0 ~ 0.0625 (1/16) inch 0 ~ 2.38 mm

 

 

ROSCHEN Brand Nozzle Sizes of Tricone Bit
Code of Nozzles Tricone Bit Diameter O.D.of Nozzles Length of Nozzles Inner Dia. of Nozzles
inch mm mm mm mm
S 0 3 5/8 ~ 4 92.1 ~ 101.6 18.12 15.96 6 ~ 14
S 1 4 1/8 ~ 5 3/4 104.78 ~ 146.1 20.3 17.48 6 ~ 14
S 2 5 7/8 ~ 7 3/8 149.2 ~ 187.3 23.5 19.05 6 ~ 16
S 3 7 1/8 ~ 8 1/4 190.5 ~ 209.6 29.74 20.62 6 ~ 22
S 4 8 3/8 ~ 14 5/8 212.7 ~ 371.5 32.89 26.97 6 ~ 22
S 5 14 3/4 ~ 26 374.6 ~ 660.4 40.84 26.97 6 ~ 22
SC2 8 3/8 ~ 11 212.7 ~ 279.4 23.5 26 6 ~ 14
SC4 11 5/8 ~ 17 1/2 295.3 ~ 444.5 32.89 35.32 6 ~ 22

 

 

Oil Well Drilling API 17 1/2" IADC637 tricone rock bits 2

 

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Contact Person : Mr. Bill, George, Michael
Tel : 13764195009
Fax : 86-021-54380177
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