I-API SPEC 5CT-2018 Casing kanye ne-Tubing
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Incazelo ye-API 5CT ISIKHATHI SESITHOMBE-2012 Incazelo ye-Casing kanye ne-Tubing
I-Api5ct oil casing isetshenziswa kakhulu ukuthutha uwoyela, igesi yemvelo, igesi, amanzi kanye nezinye izinto eziwuketshezi namagesi, ingahlukaniswa ibe yipayipi lensimbi elingenamthungo kanye nepayipi lensimbi elihlanganisiwe. Ipayipi lensimbi elihlanganisiwe libhekisela kakhulu kupayipi lensimbi elihlanganisiwe elihlanganisiwe eliyindilinga.
