NOD190Eccentric Overburden Drilling Equipment
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1
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Casing Tube
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Maximum O.D.: 222mm
Minimum I.D.: 205mm
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2
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Drill Pipe
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Connection Thread: API3 1/2”Reg
O.D.: 114mm
Wrench Flats: 95mm
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3
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Guide Sleeve
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Effective length: 285mm
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4
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DTH-Hammer
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HD65, Cop64, SD6, DHD360, QL60
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5
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Casing Shoe
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L3=110mm L4=70mm D3=204.5mm D4=193mm
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6
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Guide Device
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L1=62.5mm L2=184.5mm D1=191mm D2=203mm
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7
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Reamer
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D5=185.5mm L5=90.2mm
Reaming Diameter: 237mm
Reamer has 7*Ф16 buttons
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8
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Pilot Bit
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D6=190mm L6=82mm
Gauge button: 9*Ф18
Face button:9*Ф16
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