10 5/8″ CHJ537WLX
Specifications
Size: 10 5/8″ (269.9 mm)
IADC: 537
Bearing & Seal: Journal Bearing / Metal seal
Number of Rows: 5-5-4
Inner Row: Wedge / 136 pcs
Gauge Row: Wedge / 54 pcs
Trimming Row:
Bevel Row: Ovoid / 108 pcs
Bit Weight: 24
Weight on Bit: 0.13~0.35
ROP: 60~160
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Application
This product is used for cutting parts of roller cone reamers, which can be used for trenchless horizontal drilling and shaft drilling.
Formation
Suitable for low compressive strength, medium soft, and hard abrasive interbed formations, such as hard shale, anhydrite, soft limestone, sandstone, dolomite with interlayers, etc.
Features
– With new journal bearing structure which greatly prolongs the service life of the bearing, and has the ability to withstand high drilling pressure and adapt to high rotational speed.
– A new type of metal sealing structure is adopted to improve the bearing life and sealing reliability of the drill bit.
– X feature, the main cutting teeth of the cone are wedge-shaped teeth, which have the characteristics of high cutting efficiency and strong anti-breaking ability for specific medium
This product is used for cutting parts of roller cone reamers, which can be used for trenchless horizontal drilling and shaft drilling.
Formation
Suitable for low compressive strength, medium soft, and hard abrasive interbed formations, such as hard shale, anhydrite, soft limestone, sandstone, dolomite with interlayers, etc.
Features
– With new journal bearing structure which greatly prolongs the service life of the bearing, and has the ability to withstand high drilling pressure and adapt to high rotational speed.
– A new type of metal sealing structure is adopted to improve the bearing life and sealing reliability of the drill bit.
– X feature, the main cutting teeth of the cone are wedge-shaped teeth, which have the characteristics of high cutting efficiency and strong anti-breaking ability for specific medium
