I-API SPEC 5CT-2018 Casing and Tubing
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Ukucaciswa kwe-Casing and Tubing API SPECIFICATION 5CT NINTH EDITION-2012
I-Api5ct oil casing isetshenziswa kakhulu ukuthutha uwoyela, igesi yemvelo, igesi, amanzi nolunye uketshezi namagesi, Ingahlukaniswa ngepayipi lensimbi elingenamthungo kanye nepayipi lensimbi elishiselwe. Ipayipi lensimbi elishiselwe ngokuyinhloko libhekisela kupayipi lensimbi elihlanganisiwe longitudinal
