Yepamusoro-inodzorwa pasi pesevhavhavha yekuchengetedza (SCSSV)
A downhole kuchengetedza vharafu iyo inoshandiswa kubva pamusoro pezvivakwa kuburikidza netambo yekudzora yakasungirirwa kune yekunze pamusoro peiyo tubhing yekugadzira.Mhando mbiri dzekutanga dzeSCSV dzakajairika: wireline inogona kudzoserwa, iyo iyo huru yekudzivirira-vhavhavha inogona kumhanya nekudzoserwa pane inotsvedza, uye tubing inogona kudzoserwa, umo iyo yese yekuchengetedza-vhavhavha inoiswa netambo yechubhu.Iyo yekudzora sisitimu inoshanda mukutadza-yakachengeteka modhi, ine hydraulic control pressure inoshandiswa kubata yakavhurika bhora kana flapper musangano unozovhara kana kudzora kudzvinyirira kwarasika.
