Single Cone Rock Roller Drill Bits For Drilling Machines
Brand Name:MIROC
Certification:API
Model Number:Single Cone Rock Roller Drill Bits
Minimum Order Quantity:1
Delivery Time:10-15 days
Payment Terms:L/C, D/A, D/P, T/T, Western Union,
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Location:
Beijing Beijing China
Address:
Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Supplier`s last login times:
within 28 hours
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Single Cone Rock Roller Drill Bits For Drilling Machines
KSQ Technologies (Beijing) Co. Ltd. can design all the rock reamer (Hole Opener) for bith horizontal directional drilling and vertical drilling as your special request,for example center shaft length,thread type,roller cones sizes,pilot size,extra projection on the plam,nozzles,nozzles sizes,for bith replaceable cones and fixed cones hole opener for your whole drilling project.We registered brand-Longyue.
Cuttong Structure: part of tricone bit,both steel tooth bits and tci bits are
available
Products Application: bit cutter legs are mainly used in building big diameter piling
bits or hole opener main type available
Most of regular sizes and IADC code
Available Sizes:from 2 7/8 to 26'' large sizes for hole opener bit,reaner bit
Application:petroleum&gas,water well,mining and tectonic
industries,oilfield,construction,geothermal,directional bording,and
underground foundation work hard formation rock /roller cone cutter
bit uesd in hdd reamer
| Recommended Drilling Parameters | |||
| IADC | WOB(kn/mm) | RPM(r/min) | Formations |
| 117 | 0.30-0.75 | 180-60 | very soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,etc. |
| 127 | 0.30-0.85 | 180-60 | soft formation with low compressive strength and high drillability,such as mudstone,gypsum,soft limestone,etc. |
| 217 | 0.35-0.95 | 150-60 | soft to medium hard formations with high compressive strength,such as medium soft shale,sandstone,limestone,etc. |
| 437 | 0.35-0.9 | 240-70 | soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,soft limestone,etc. |
| 517 | 0.35-1.0 | 140-60 | medium soft formation with low compressive strength and high drillability,such as mudstone,sandstone,shale,etc. |
| 537 | 0.45-1.0 | 120-50 | medium soft to medium hard formation with low compressive strength,such as medium shale,sandstone,medium limestone,etc. |
| 617 | 0.45-1.1 | 90-50 | medium hard to hard formation witj high compressive strength,such as hard shale,limestone,dolomite,etc. |
| 637 | 0.5-1.2 | 80-40 | hard to very hard formation with high compressive strength,such as hard limestone,dolomite,marble,etc. |
| NOTE the upper limits of WOB and RPM in above table should not be used
simultaneously | |||
Single Cone Rock Roller Drill Bits For Drilling Machines
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