I-API SPEC 5CT-2018 Casing kunye neTubing
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Inkcazelo ye-API 5CT UHLELO LWESIBINI-2012 Inkcazo yeCasing kunye neTubing
Isingxobo seoyile se-Api5ct sisetyenziselwa kakhulu ukuthutha ioyile, igesi yendalo, igesi, amanzi kunye nezinye izinto ezingamanzi kunye neegesi, singahlulwa sibe yimibhobho yentsimbi engenamthungo kunye nombhobho wentsimbi edibeneyo. Umbhobho wentsimbi edibeneyo ubhekisa ikakhulu kumbhobho wentsimbi edibeneyo ende.
