● Kowane coil na tubing yana da tsayi gaba ɗaya ba tare da walda na orbital ba.
● Kowane coil na tubing an gwada shi da matsi mai niyya.
● Masu dubawa na ɓangare na uku na iya ba da shaida a wurin gwajin (SGS, BV, DNV).
Sauran gwaje-gwajen sune gwajin halin yanzu, sinadarai, lallasa, flaring, tensile, yawan amfanin ƙasa, haɓakawa, tauri don ingancin kayan.