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11-5/8 Inch IADC537 TCI Tricone Bit For Oil Field , Well Drill Bit High - Performance

Categories Roller Cone Drill Bit
Brand Name: Tianying
Model Number: IADC537 11-5/8''
Place of Origin: China
MOQ: 1
Payment Terms: Western Union, T/T, L/C
Delivery Time: 5-10 work days
Packaging Details: wooden case
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    11-5/8 Inch IADC537 TCI Tricone Bit For Oil Field , Well Drill Bit High - Performance

    11-5/8 Inch IADC537 TCI Tricone Bit For Oil Field , Well Drill Bit High - Performance


    Cutting Structure

    The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.

    Gauge Structure

    Multiple gauge protection with gauge trimmers on the heel of cone,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

    Bearing Structure

    High precision journal bearing with two thrust faces.Balla lock the cone.Hardfaced head bearing surfaces.Cone bearing inlaid with friction-reducing alloy and then silver-plated.Abrasion resistance and seizure resistance of the bearing are improved.

    Seal and Lubrication

    Premium HNBR O-ring.optimal seal compression and curved seal structure can enhance the seal performance .The pressure compensator system and advanced grease can greatly increase the lubricating rellability.

    Product Application

    It can receive high WOB in the conventional drilling.It is suitable for various formations by matching cutting structure with different tooth shape,tooth density ans tooth exposure height.


    Recommended Drilling Parameters

    IADCWOB (weight on bit dia)RPM(R/Min)Application Formation
    116 1170.35-0.8150-80

    Very soft formations with low compressive strength and high drillability.such as clay.mudstone.chalk.etc.


    126 1270.35-0.9150-70

    Soft formations with low compressive strength and high drillability,such as mudstone,gypsum salt.soft shale.soft limestone.etc.


    136 1370.35-1.0120-60

    Soft to medium soft formations with low compressive strength and high drillability,such as medium soft shale.anhydrite.medium soft limestone,medium soft sandstone.soft formation with harder interbed,etc.


    216 2170.4-1.0100-60

    Medium formations with high compressive strength,such as medium soft shale.anhydrite.medium soft limestone.medium soft sandstone.soft formation with harder interbed.etc.


    246 2470.4-1.080-50Medium hard formations with high compressive strength.such as abrasive shale.limestone,sandstone.dolomite.anhydrite.marble.etc.
    417/4374470.35-0.9150-70Very soft formation with low compressive strength and high drillability.such as clay.mudstone.chalk.gypsum.salt.soft shale.soft limestone.etc.
    517 5270.35-1.0140-60Soft formation with low compressive strength and high drillability.such as mudstone.gypsum.salt.soft shale.soft limestone.etc.
    537 5470.45-1.0120-50Soft to medium formations with low compressive strength ,such as medium soft shale.medium soft limestone,medium soft sandstone.medium formation with harder and abrasive interbed,etc.
    617 6270.45-1.190-50Medium hard formations with high compressive strength.such as hard shale.limestone,sandstone.dolomite.etc.
    6370.5-1.280-40Hard formations with high compressive strength.such as sandstone.limestone,dolomite. anhydrite.marble.etc.
    Note:The upper limits of WOB and RPM in above table should not used simultaneously.

    API Roller Cone Bit Tolerance

    Bit SizeTolerance
    ininmm
    3 3/8~13 3/40-+0.03130-+0.794
    14~ 17 1/20-+0.06250-+1.588
    ≧17 5/80-+0.09380-+2.381

    Recommended Roller Cone Bit Make-up Torque

    Bit SizeAPI PinRecommended Torque
    ininN-m
    3 1/2~4 1/22 3/84100-4700
    4 5/8~52 7/86100-7500
    5 1/8~7 3/83 1/29500-12200
    7 1/2~94 1/216300-21700
    9 1/8~286 5/838000-43400
    14 3/4~287 5/846100-54200
    18 1/2~288 5/854200-81300

    Roller Cone Bit Nozzle And Assembly Size

    Bit SizeNozzle ODAssembly LengthNozzle Jetting ID
    inmmmmmmmm
    3 1/2~5 1/288.9-139.720.317.54-10
    5 5/8~7 3/8142.9-187.323.619.05-16
    7 1/2~8 1/4190.5-209.629.821.07-18
    8 3/8~14 5/8212.7-371.533.027.08-20
    ≧14 3/4≧374.640.927.010-22

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