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Gucukura ibitobo bya tricone byo mu gikoni IADC835 11″ (179.4mm)
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API icukura zahabu IADC845 kugira ngo ikoreshwe neza
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Igiciro cy'uduce two gucukura amabuye ya rotary IADC825 santimetero 11
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API Ubucukuzi bwimbitse bw'amazi ya tricone bits IADC832 12.25″ 311mm
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API Ubucukuzi bw'amabuye bucukura amabuye IADC745 12.25″ (311mm) uruganda
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Uruganda rukora uduce two gucukura uduce twa HDD two gucukura uduce duto
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Uruganda rwa API rwa No-dig Pilot tricone bit yo gucukura HDD
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API Uduce two gucukura amabuye yo mu iriba ry'amazi kugira ngo hakorwe neza
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Uruganda rwa API rucukura amavuta na gaze 14 3/4″ ku ruzi rurerure
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Utanga API wa Rotary oil rig drill bit 16″ igiciro kiri mu bubiko
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API Metal sealed oilwell drill bit yo gukoresha foratmions zikomeye
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Igitonyanga cya API cy'ibikomoka kuri peteroli kiri kugurishwa mu bubiko