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API Mill hniav khoom IADC217 12 1/4 nti (311mm) rau qhov zoo drilling
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Tus nqi qis IADC217 14 3/4 nti (374mm) rau pob zeb tawv
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Lag luam wholesale drilling khoom IADC217 17.5 nti (444.5mm)
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4 1/4 Nti PDC Drag Bit 3 Hniav
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API Hoobkas ntawm TCI tricone ntsis IADC617 5 5/8 "(142.9mm)
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API teb tricone ntsis IADC617 6 "(152mm) rau qhov zoo drilling
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Tricone pob zeb ntsis IADC617 8 1/2 "(215.9mm) rau qhov zoo drilling
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API chaw tsim tshuaj paus ntawm tricone pob zeb ntsis IADC617 9 7/8 nti "(250mm)
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API Hoobkas ntawm tricone menyuam ntsis IADC617 12 1/4 nti (311.1mm)
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API Hoobkas ntawm pob zeb drilling khoom IADC617 17 1/2 nti (444.5mm) hauv Tshuag
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API tungsten carbide ntxig pob zeb dill ntsis IADC627 3 7/8 "(98mm) hauv Tshuag
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Teb cov menyuam me IADC627 8 1/2 "(215mm / 216mm)