S240OD Eccentric Overburden Drilling Equipment |
Overburden Drilling |
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1 |
Casing Tube |
Maximum O.D：273mm
Minimum I.D：260.4mm |
2 |
Drill Pipe |
Connection Thread： |
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″API Reg |
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O.D：114mm |
Wrench Flats：95mm |
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3 |
Guide sleeve |
Effctive length：317mm |
4 |
DTH—Hammer |
SUG85、Cop84、SD8、DHD380、 Mission80 |
5 |
Casing Shoe |
L3=111mm L4=75mm D3=208.3mmD4=242mm |
6 |
Guide Device |
L1=69.7mmL2=190mmD1=240mm D2=257mm |
7 |
Reamer |
D5=240mmL5=100mm
Reaming Diameter：308m
Reamer has 7×φ16 Buttons |
8 |
Pilot Bit |
D6=248mmL6=89.4mm
Gauge button：12×φ18
Face button：32×φ16 |
Technical Data |
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