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  • 商品名称: Natural diamond core bit
  • Model Number: FNC
  • Series: FNC
  • Cutting Material: Natural diamond grain
  • Bearing Type: No bearing
  • Body Type: Matrix body
  • Application: Well drilling, Mining, Exploration, HDD, Trenchless
  • Certification / Standard: API 7-1,ISO 9001:2008

Natural diamond core bit

 

Medium to hard formation coring
Premium natural diamond grains layout makes the bit competent in high compressive medium hard to hard formation with thin interbedded layers.


Multiple blade profile design
Multiple blade profile design, including round, double taper and parabolic shape, makes the bit suitable for virous types of medium hard to hard formations.

 

 Product Specifications
 Bit Size  8 1/2X4in  ⌀241.4X105mm  8 1/2X4in  ⌀241.4X101mm  6X2 5/8in 5 7/8X2 5/8in
 Type  FNC823  FNC823  FNC822  FNC822  FNC623  FNC623
 TFA(in2  0.15~1.5  0.15~1.5  0.15~1.5  0.15~1.5  0.1~1.0  0.1~1.0
 Gaugue(in)  1 1/2  1 1/2  1 1/2  1 1/2  1  1
 Core barrel(in)  6 3/4x4  Chuan 8-4  6 3/4x4  Chuan 7-4  4 3/4x2 5/8  4 3/4x2 5/8

 

 Recommended Operation Parameters
 Bit Size (in.)  8 1/2X4in ⌀241.4X105mm  8 1/2X4in ⌀241.4X101mm  6X2 5/8in 5 7/8X2 5/8in
 Type  FNC823  FNC823  FNC822  FNC822  FNC623  FNC623
 Hydraulic Flow Rate(L/s)  22~35  22~35  22~35  22~35  10~20  10~20
 Hydraulic Flow Rate(Gpm)  350~550  350~550  350~550  350~550  160~320  160~320
 Rotation Speed(Rpm)  60~300  60~300  60~300  60~300  60~300  60~300
 WOB(KN)  23~100  23~100  23~100  23~100  23~75  23~75
 WOB(KIbs)  5~23  5~23  5~23  5~23  5~18  5~18

 

* Other types and sizes could be designed and manufactured according to the specific requirments.