Model No.: 8 1/2"
Type: Center Drill Bit
Use: Well Drilling
Size: 8 1/2 Inch
Productivity: 10000 Piece/Pieces per Year
Place of Origin: Cangzhou,Hebei
Supply Ability: Level 1
HS Code: 8207199000
Port: Tianjing Port,Beijing Airport
Features and Applications:
Use high -quality steel to make the material of PDC bit, the surface of the blade weld high-performance wear-resistant materials, the use of computer software for the overall design of three-dimensional PDC BIT, double asymmetric teeth straight blade,medium parabolic crown,,long Gage shape structure using force balance design,unique PDC cutter layout and positioning of the PDC bit to keep a sharp cutting edge in drilling, effectively improve the offensive PDC BIT and drilling speed.The application of fluid dynamics analysis and numerical simulation of hydraulic flow field analysis technology to design,help to improve chip speed drill and anti-balling capacity.
Suitable for high compressive strength,with abrasive medium hard formations,such as shale, limestone, anhydrite, sandstone and so on.
Bit specification Bit Type 8 1/2" GS1605TQ Nozzle Qty 5NZ IADC Code S323
Gauge Length(mm) 65 Blade 5 Connection 4 1/2" API REG Cutter size(mm) 13mm;16mm N.W./G.W.(KG) 48/63 Cutter Qty 13*34;16*28 Nozzle Size(inch) 16/32;18/32
Dull grading : 1-1-WT-A-X-I-NO-TD
The 8 1/2 -in. GSD1635TZ bit had no damage on the inside cutting structure and only a few worn cutters in the outer row.
The operator was extremely pleased by the success of the operation and plans to use the bit for another wells and promote the bit in the block.
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