Standard kwa API SPEC 5CT, API SPEC 5B, ISO11960 tubing Ntchito: Ntchito kunyamula mafuta yaiwisi ndi gasi zachilengedwe kuchokera mafuta ndi mpweya mapangidwe pamwamba pambuyo pobowola anamaliza amene lakonzedwa kupirira mavuto kwaiye pa migodi ndipo ali awiri akunja a2-3/8” mpaka 4-1/2.
Kugwiritsa ntchito posungira :omwe amagwiritsidwa ntchito komanso makoma amafuta ndi gasi Wells.sizes:4-1/2”—20”
Main sukulu yachitsulo chitoliro: J55, K55, N80-1 N80-Q