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【long-hole drill】 long-hole drill

Hade 4-11 well is a typical drill pipe sticking well of slim-hole and super long interval caused by damaged case to leak in Hade operation district of Tarim oilfield. 4-11

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,Two-sided drill hole modular machine tool,,

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underground mining longhole DTH drill - SKZ120A - Heng zuan (

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Machinery manufacturer provide Alu-alloy Copy and Three Hole Drill machine, jinan zhen Product Description Characteristics: Used for processing various kind of hole, . PVC P

METHOD, DRILLING MACHINE, DRILL BIT AND BOTTOM HOLE

Machine for ground drilling, with a circulating fluid, by the utilization of electric discharge drill-bit 1 with electrodes movable relative to each other, so that bottom-hole physical con

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machine 1.5cm past top of dart drillhole machine 1cm either side

machine 1.5cm past top of dart drillhole machine 1cm either side of middle drillhole ,? 。

underground mining longhole DTH drill - QZJ100ZZ - Heng zuan (

drill is designed for longhole work, it is lingt and simple , with 5~7bar air pressor and 13 m³/min , the drill can finish 4~6 meters per hour ( f = 9~14) ,and the

Deep Hole Drilling Machine,Deep Hole Machine Tools Manufacturer

Dezhou Guanlu is China professional deep hole machine tools manufacturer and supplier. Our products including deep hole gun drilling machine, deep hole drilling and boring