I-API SPEC 5CT-2018 Casing kunye neTubing
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Specification for Casing and Tubing API SPECIFICATION 5CT NINTH EDITION-2012
I-Api5ct i-oyile ye-oyile isetyenziselwa ikakhulu ukuthutha ioyile, igesi yendalo, igesi, amanzi kunye nolunye ulwelo kunye neegesi, inokwahlulwa ibe ngumbhobho wentsimbi ongenamthungo kunye nombhobho wentsimbi odityanisiweyo. Umbhobho wentsimbi odityanisiweyo ikakhulu ubhekiselele kumbhobho wentsimbi odityanisiweyo welongitudinal
