Eccentric Underreaming Bit Drilling Tool & Follow-up
- Product images
- Product description
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Overview Downhole hammer and pipe drilling is an effective method to overcome complex formations such as loose, fragmented, and sandy gravel. It can be applied to drilling holes that require casing protection between horizontal and vertical states, and is widely used in the construction of high-pressure rotary jet holes, pressure grouting holes, anchor cable holes, drainage holes, geophysical blasting holes, underwater drilling and blasting, and non excavation pipeline through-holes.
Technical Parameter
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Specification of casing
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￠89
|
￠108
|
￠127
|
￠140
|
￠146
|
￠168
|
￠178
|
￠194
|
￠245
|
￠273
|
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Specification of Downhole Hammer
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QCW70
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QCW80
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QCW80
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QCW100
|
QCW100
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QCW130
|
QCW130
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QCW150
|
QCW150
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QCW170
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Reaming Diameter
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￠92
|
￠111
|
￠132
|
￠145
|
￠152
|
￠175
|
￠185
|
￠211
|
￠254
|
￠286
|
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Sleeve shoe through-hole diameter
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￠69
|
￠86
|
￠102
|
￠112
|
￠120
|
￠138
|
￠147
|
￠165
|
￠205
|
￠230
|
