Spiral Drill Collar2014-7-3
Spiral drill collar is one kind of our product series. This kind of drill collar can prevent the block from differential pressure in the process of drilling. With...
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Drill Pipe2014-7-3
Drill Pipe
Drill pipe is the basic part of drill stem, used for deepening well bore, transmitting the torque and shaping the recirculation channel of drilling...
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Hexagonal Kelly2014-7-3
Square and Hexagonal Kelly
Square and Hexagonal Kelly
1. Specification:
Square Kelly： 2-1/2” 2-7/8” 3” 3-1/2” 4-1/4” 5-1/4”
Hexagonal Kellys：3” 3-1/2”...
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Short Drill Collar2014-7-3
Short Drill Collar
Function: The short drill collar is mainly used to adjust the position and improve the function of the drilling tools which are used at the...
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Square Kelly2014-7-3
Square and Hexagonal Kelly
Square and Hexagonal Kelly
1. Specification:
Square Kelly： 2-1/2” 2-7/8” 3” 3-1/2” 4-1/4” 5-1/4”
Hexagonal Kellys：3” 3-1/2”...
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Lifting Sub2014-7-3
Lifting Sub
Function: Be used to lift drill collar and other special drilling tools.
Feature: Easy for operating, lifting the drilling tools...
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Drill Stem Sub2014-7-3
Drill Stem Sub
Drill stem sub is made from AISI4145H chrome-molybdenum alloy steel, the content of microelement is effectively controlled, the surface of connector...
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