S140OD Eccentric Overburden Drilling Equipment |
Overburden Drilling |
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1 |
Casing Tube |
Maximum O.D：171mm
Minimum I.D：155.6mm |
2 |
Drill Pipe |
Connection Thread： |
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″API Reg |
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O.D：89mm |
Wrench Flats：65mm |
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3 |
Guide sleeve |
Effctive length：225mm |
4 |
DTH—Hammer |
SUG55、Cop54、SD5、DHD350、 Mission50 |
5 |
Casing Shoe |
L3=90mm L4=63mm D3=155.3mm D4=140mm |
6 |
Guide Device |
L1=52.8mm L2=155mm D1= 141mm D2=153.6mm |
7 |
Reamer |
D5=40mm L5=70mm
Reaming Diameter：185mm
Reamer has 6×φ14 Buttons |
8 |
Pilot Bit |
D6=141.2mm L6=62mm
Gauge button：8×φ16
Face button ：8×φ14 |
Technical Data |
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