S90OD Eccentric Overburden Drilling Equipment |
Overburden Drilling |
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1 |
Casing Tube |
Maximum O.D：115mm
Minimum I.D：102mm |
2 |
Drill Pipe |
Connection Thread： |
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″API Reg |
O.D：76mm |
Wrench Flats：65mm |
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3 |
Guide sleeve |
Effctive lengt：225mm |
4 |
DTH—Hammer |
SUG35、Cop34、SD3、IR3.5 |
5 |
Casing Shoe |
L3=80mm L4= 55mm D3=101.7mm D4= 93 mm |
6 |
Guide Device |
L1=50mm L2=134mm D1=92 mm D2=100mm |
7 |
Reamer |
D5=90mm L5=50mm
Reaming Diameter：123mm
Reamer has 6×φ13buttons |
8 |
Pilot Bit |
D6=90mm L6=52mm
Gauge button：8×φ12
Face button：6×φ12 |
Technical Data |
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