Ko nga momo taputapu o raro e whakamahia nuitia ana i roto i te otinga mara hinu o waho me nga aho whakangao ko: Packer, SSSV, Sliding Sleev , (Nipple), Side Pocket Mandrel, Seating Nipple, Flow Coupling, Blast joint, Test Valve, Drain Valve, Mandrel, Plug , etc. 1.Packers Ko te packer tetahi o nga...
Pānuitia atu