Sell Categories
Show all We have the following products.See below:
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Spiral Drill Collar
Spiral drill collar is one kind of our product series. It’s processed with three right-hand spiral grooves on the outer
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Non-magnetic Drill Collar
It’s made from N1310 low carbon alloy-steel, refined and forged by strict chemical analysis to reach its mechanical pro
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Square Kelly
Kelly is on the top of drill stem, transmitting torque and supporting drill stem’s suspension weight. It’s the drive s
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Hexagonal Kelly
Kelly is on the top of drill stem, transmitting torque and supporting drill stem’s suspension weight. It’s the drive s
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drill collar
Description: It’s made from rolled or forged AISI4145H chrome-molybdenum steel. The content of chemical composition and
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Drill Pipe
Drill pipe is the basic part of drill stem, used for deepening well bore, transmitting the torque and shaping the recirc
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