Sealed driving shaft drilling motors
Sealed driving shaft drilling motors: The ordinary mud lubricated driving shaft is replaced with oil lubricated seal driving shaft, which improves
the working conditions of the thrust and radial bearings, thus extending the service life of the drilling motors
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FISHING TOOLS |
Die Collar |
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High-temperature Resistant Motor |
High-temperature resistant motor adopts the stator rubber made by special processes formula, to ensure the normal operation at a high temperature o... |
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DRILL BITS |
LUHAI PDC bits are designed professionally for different formations to meet with various drilling applications. ROP and durability improvements are... |
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KELLY |
DeRunprovides square Kelly and hexagonal Kelly which is manufactured strictly according to API Spec7-1 and SY/T6509-2000 standard.
Description &... |
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Выбирающие 5 типоразмеров:СТАБИЛИЗАТОР |
HF1000
Спалав никелевого серебра содержит зёрны карбидов вольфрама, по различной ситуации, размера зёрны карбидов вольфрама с 1.6x3.2мм до 8.0x9.5... |
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