Umgangatho we-API SPEC 5CT, API SPEC 5B, ISO11960 iityhubhu yeSicelo: Isetyenziselwa ukuthwala ioyile ekrwada kunye nerhasi yendalo ukusuka kwioyile kunye nokwakhiwa kwerhasi ukuya kumphezulu emva kokugrumba okugqityiweyo okuyilelwe ukumelana noxinzelelo oluveliswa ngexesha lokwembiwa kwemigodi kwaye inobubanzi obungaphandle2-3/8” ukuya ku-4-1/2.
Ukusetyenziswa kwecasing :isetyenziswa ngokunjalo neendonga zeoyile nerhasi Wells.sizes:4-1/2”—20”
Amabakala aphambili ombhobho yentsimbi : J55, K55, N80-1 N80-Q