PDC bit for oilfield drilling with 5 blade count
Bit Specifications:
Bit size:------------------------------------------------------6in
Blade count:-------------------------------------------------5 pcs
Main cutter size:--------------------------------------------Φ19mm
Number of nozzles:-----------------------------------------5 pcs
Gage length:--------------------------------------------------64mm
Shank:---------------------------------------------------------3 1/2 API Reg.
Make up torque (KN.m):-------------------------------------49.6-51.4
Junk slot area: ---------------------------------------------------24413in2
Rotary speed(rpm):--------------------------------------------60-300
WOB(KN): ------------------------------------------------15-70
Flow rate(L/s):--------------------------------------------------10-30
Structure features and applications of the bit:
1.Matrix bady bits with five blades,
2.It can be changed with sprial nozzles
3. Bit profile is optimized and is suitable for drilling soft to medium formations.
4. Cutting structure is force balanced, bit blade is asymmetrically designed, and spiral blade and spiral gage are also designed so that the load on bit is balanced which resulting better stability of the bit.
5. Multiple types of high performance PDC cutters are strategically arranged on bit for improved service life of the bit.
6. Shock absorbers are designed to make the bit capable of drilling through formations with hard stringers.
7. 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.
7. Erosion on bit surface is effectively prevented by utilizing hardfacing material of highly erosion resistant and applying advanced base metal enhancement technology.
8. Ports on bit are also optimally designed to prevent erosion of water courses inside the bit.
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PDC rock bits size
Specs (size) | body material | blades | No. of nozzle | Cutter size |
mm | in |
95mm | 4 | matrix | 4 blade | 4 | 13.4mm |
98mm | 4 | 3 blade | 3 | 13.4mm |
102mm | 4 | 4 blade | 4 | 13.4mm |
105mm | 2004/1/8 | 4 blade | 4 | 13.4mm |
114mm | 2004/1/2 | 4 blade | 4 | 13.4mm |
114mm | 2004/1/2 | 5 blade | 5 | 13.4mm |
118mm | 2004/5/8 | 3 blade | 3 | 13.4mm |
120mm | 2004/3/4 | 3 blade | 3 | 13.4mm |
120mm | 2004/3/4 | 4 blade | 4 | 13.4mm |
120mm | 2004/3/4 | 5 blade | 5 | 13.4mm |
130mm | 2005/1/8 | 3 blade | 3 | 13.4mm |
130mm | 2005/1/8 | 4 blade | 4 | 13.4mm |
132mm | 2005/1/8 | 5 blade | 5 | 13.4mm |
133mm | 2005/1/4 | 4 blade | 4 | 13.4mm |
140mm | 2005/1/2 | 5 blade | 5 | 13.4mm |
142mm | 2005/5/8 | 3 blade | 3 | 13.4mm |
142mm | 2005/5/8 | 4 blade | 4 | 13.4mm |
142mm | 2005/5/8 | 5 blade | 5 | 13.4mm |
146mm | 2005/3/4 | 5blade | 5 | 13.4mm |
149.2mm | 2005/7/8 | 3 blade | 3 | 13.4mm |
149.2mm | 2005/7/8 | 5 blade | 5 | 13.4mm |
152mm | 6 | 3 blade | 3 | 13.4mm |
152mm | 6 | 4 blade | 4 | 13.4mm |
152mm | 6 | 5 blade | 5 | 13.4mm |
152mm | 6 | 6 blade | 3 | 13.4mm |
155mm | 2006/1/8 | 8 blade | 4 | 13.4mm |
159mm | 2006/1/4 | 5 blade | 5 | 13.4mm |
159mm | 2006/1/4 | 6 blade | 6 | 16mm |
165mm | 2006/1/2 | 5 blade | 5 | 16mm |
171mm | 2006/3/4 | 5 blade | 5 | 16mm |
200mm | 2007/7/8 | 5 blade | 5 | 13.4mm |
200mm | 2007/7/8 | 4 blade | 4 | 19mm |
200mm | 2007/7/8 | 5 blade | 5 | 19mm |
200mm | 2007/7/8 | 5 blade | 5 | 19mm |
206mm | 2008/1/8 | 5 blade | 5 | 19mm |
215mm | 2008/1/2 | 5 blade | 5 | 19mm |
215mm | 2008/1/2 | 6 blade | 6 | 19mm |
215mm | 2008/1/2 | 6 blade | 4 | 13.4mm |
215mm | 2008/1/2 | 4 blade | 4 | 13.4mm |
222mm | 2008/3/4 | 6 blade | 6 | 19mm |
241mm | 2009/1/2 | 6 blade | 6 | 19mm |
247mm | 2009/7/8 | 4 blade | 5 | 19mm |
311mm | 2012/1/4 | 5 blade | 7 | 19mm |
374mm | 2014/3/4 | 5 blade | 9 | 19mm |