+
  • HTB1X84eXIvrK1Rjy0Feq6ATmVXaF.jpg
  • HTB1TtvfXoLrK1Rjy1zbq6AenFXa0.jpg
  • HTB1VdvfXoLrK1Rjy1zbq6AenFXas.jpg
  • HTB1w6YeXiDxK1RjSsD4q6z1DFXa5.jpg

Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock


Categorie:

  • Description
  • Overview

    Quick Details

    Place of Origin: Hebei, China, Hebei, China (Mainland)
    Brand Name: LONGYUE, LONGYUE
    Model Number: 8 1/2'',9 1/2'',12 1/4'', Carbide Drill Bit
    Type: Center Drill Bit
    Use: Well Drilling
    Sealed Type: Rubber Sealed Bearing/O-ring Sealed Bearing
    Pin Connection: 4 1/2" API Regular
    Certification: API
    Product name: Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

    Supply Ability

    Supply Ability   150 Piece/Pieces per Day

    Packaging & Delivery

    Packaging Details     wooden cases,or as customer's request
    Port                            tianjin seaport

    Product description

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

     

    Hejian Longyue Drill Bit Manufacturer 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

     

    Basical Specification
      Size of Rock Bit  12 1/4 inches
     311.1mm
     IADC Code  637
      Operating Parameters
     WOB(Weight On Bit)  11664~27994lbs
     51.7~124.4KN
     RPM  80~40r/min
    Formation  hard formations with high compressive strength,sandstone,limestone,etc.

     

    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

     

     

    Product picture

     

     Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

     

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

     

     

     

     

    Hot sales

     Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

     

     

    Company Information

    Hejian Longyue Drill Bit Manufacturer Co.,Ltd

    is a manufacturer of Drill Bit with well-equpiied testing facilities andstrong technical force.With a wide range, good quality,reasonadle price and prompt delivery,our products are extensively used in oil filed,wrll Drilling,No Dig filed and other industries.our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and from all walks of life to contact us for future business relationships andmutual success!

     

     

     

     

    Certificates

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock 

    Exhibotion

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock 

     

    Packaging & Shipping

    Packaging Details:wooden cases,or as customer's request

    Delivery Times:5days since confirm the order

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

    Popular size! 12 1/4" IADC 637 Roller Cone bit for hard rock

Send Inquiry


To: Hejian Longyue Drill Bit Manufacture Co.,Ltd

Action
I want more details. Product requirements: Customized: Delivery time: Payment: Shipping: Usage:
(Up to 5 files). Supports JPG, JPEG, PNG, GIF, TXT, DOC, PDF, XLS, DOCX, XLSX, less than 5MB
Submit