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Tricone rau cov menyuam laum khoom IADC517 6 1/4 "(159mm)
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TCI kaw pob zeb pob khoom IADC517 6 1/2 "(165mm) rau qhov zoo drilling
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TCI tricone ntsis IADC517 7 1/2 "(190mm)
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Deep Well Tricone ntsis IADC517 7 7/8 nti (200mm)
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API Tricone ntsis IADC517 8.5 nti (215.90mm)
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API Tricone Drilling ntsis IADC517 8 3/4 nti (222mm) hauv Tshuag
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Tricone Cov Menyuam Khoom IADC517 9.5 nti (241mm)
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Teb tricone khoom IADC517 9 7/8 "(250mm) rau pob zeb tawv
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Peb lub khob pob zeb pob zeb IADC517 10 5/8 "(269mm)
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Rotary pob zeb IADC517 11 5/8 "(295mm)
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Teb tricone ntsis IADC517 12 1/4 "(311mm)
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Peb lub khob hliav qab IADC517 13 5/8 "(346mm)