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Prìs drilean tricone API IADC216 4 5/8 òirleach (118mm)
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Pìosan tricone tobar domhainn IADC216 6 òirlich (152mm)
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Ceann drileadh tobair API IADC126 7 1/2 òirleach (190.5mm)
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Drile giùlain ròinichte bts IADC126 9 7/8 òirleach (250mm)
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Solaraiche drilean tricone IADC126 12 1/4 òirleach (311mm) airson drileadh tobair
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Bit tricone daoimean IADC216 7.5 òirleach (190mm)
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Factaraidh bitan Tricone IADC216 9 7/8 òirleach (250.8mm)
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Drileagan API Tricone IADC111 15.5 òirleach (394mm) ann an stoc
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Drileagan tricon IADC114 15.5 òirleach (394mm) ann an stoc
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Pìosan Fiacail Stàilinn IADC117 3 7/8 òirleach (98.4mm)
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Ceann drileadh tobair API IADC117 4 5/8 òirleach (117.5mm) airson rig
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Factaraidh API de bhìdean tricone fiacail stàilinn IADC117 6 òirlich (152mm)