8 1/2′′pdc Oilfield Drilling Bit Gas Drilling Rock Bit

Product Details
Customization: Available
Type: Petroleum Drilling Machine
Usage: Well Drilling
Diamond Member Since 2014

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Management System Certification
ISO9001:2008
OEM/ODM Availability
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  • 8 1/2′′pdc Oilfield Drilling Bit Gas Drilling Rock Bit
  • 8 1/2′′pdc Oilfield Drilling Bit Gas Drilling Rock Bit
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Basic Info.

Certification
ISO
Cutters
13 16 19
Blades
3-9
Transport Package
Wooden Case
Specification
according requirement
Trademark
HJ
Origin
Hebei
HS Code
8207191
Production Capacity
100

Product Description

Basical Specification
Size of bit 8 1/2''
Number of Blades 5
Primary Cutter Size 16mm
Nozzle Qty. 5NZ
Thread Connection 4 1/2  REG PIN
Operating Parameters
RPM (r/min) 60~300
WOB(KN) 20~110
Application Soft to medium hard formation with low compre-ssive strength with hard layer.Such as caly, sands-tone, tuff, etc. 
8 1/2′′pdc Oilfield Drilling Bit Gas Drilling Rock Bit
Product Description-----high quality PDC drill bit :
1. Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on 
bit is balanced that 
resulting better stability of the bit.
2. Main cutter are high performance PDC cutters to insure service life of the bit while improving ROP.
3. Cutter exposure is optimized to insure the bit can achieve higher ROP is soft to medium formations.
4. Shock absorbers are designed to make the bit capable of drilling through formations with hard strigers.
5. Hydraulic system of the bit is optimized using dynamic flow pattern simulation technology to enhance 
cleaning and 
cooling effects of the bit to effectively prevent bit from balling.
Inch MM AP(thread) Blades
4inch 101.6mm 2 7/8 3 blades
4 blades
5 blades
6 blades
7 blades
4 1/2inch 114.3mm 
4.5/8inch 117.5mm
4 3/4inch 120.5mm
5 1/8inch 130.2mm
5 1/4inch 133.4mm
5 3/4inch 146mm
5 7/8inch 149.2mm 3 1/2 3 blades
4 blades
5 blades
6 blades
7 blades
6inch 152.4mm
6 1/8inch 155.6mm
6 1/4inch 158.7m
6 11/32inch 161mm
6 1/2inch 165.1mm
6 3/4inch 171.4mm
7 1/2inch 190.5mm 4 1/2 4 blades
5 blades
6 blades
7 blades
8 blades

 
7 5/8 inch 193.7mm
7 7/8 inch 200mm
8 3/8 inch 212.7mm
8 1/2 inch 215.9mm
8 3/4 inch  222.3mm
9 11/64 inch 233mm
9 1/2 inch 241.3mm 6 5/8 4 blades
5 blades
6 blades
7 blades
8 blades
9 blades
 
9 5/8 inch 244.5mm
9 7/8 inch 250.8mm
10 1/2 inch 266.7mm
10 5/8 inch 269.9mm
11 inch 279.4mm
11 5/8 inch 295.3mm
12 inch 304.8mm
12 1/4 inch 311.1mm
13 3/4 inch 349.25mm 7 5/8 4 blades
5 blades
6 blades
7 blades
8 blades
9 blades
 
14 3/4 inch 374.65mm 7 5/8
15 1/2 inch 393.7mm 7 5/8
17 1/2 inch 444.5mm 7 5/8
Company Information
 Hejian Hengji Bit Manufacture Co.,LTD  is specialized in manufacturing high quality rock bit,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.with advanced CNC machines and R&D team and on-time delivery. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .
    We ship to more than 40 different countries and serve industries such as Oil & Gas, water well , Construction,Mining,  Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.
     Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.  Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.  We have been always insist on"Hengji bit,focusing on quality".  
 
Main products
tricone bit(mill tooth and tungsten carbide insert tricone bit)
PDC bit(matrix body and steel body PDC bit)
hole opener(HDD rock reamer,barrel reamer,etc)
drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)
accessories(single cone,bit breaker,nozzle ,etc)   
 

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