S190OD Eccentric Overburden Drilling Equipment |
Overburden Drilling |
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1 |
Casing Tube |
Maximum O.D：222mm
Minimum I.D：205mm |
2 |
Drill Pipe |
Connection Thread： |
|
″API Reg |
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O.D：114mm |
Wrench Flats：95mm |
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3 |
Guide sleeve |
Effctive length：250mm |
4 |
DTH—Hammer |
SUG65、Cop64、SD6、DHD360、 Mission60 |
5 |
Casing Shoe |
L3=110mmL4=72mmD3=204.7mmD4=193mm |
6 |
Guide Device |
L1=62.8mmL2=185mmD1=191mmD2=203mm |
7 |
Reamer |
D5=190mmL5=80mm
Reaming Diameter：237m
Reamer has 7×φ16 Buttons |
8 |
Pilot Bit |
D6=190.8mmL6=87.4mm
Gauge button：8×φ16
Face button：9×φ16 |
Technical Data |
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