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XI'AN ZZ TOP OIL TOOLS CO.,LTD [China (Mainland)]
Business Type:Manufacturer, Distributor/Wholesaler, Service City: Xi'an Province/State: Shaanxi Country/Region: China (Mainland) Follow Us:
15000psi Pump thru safety valve
The 15000psi Pump through safety circulating valves are operated by annulus pressure used for Drill stem testing (DST) operation in HPHT well testing
2018-07-30
5" safety valve
The 5" x 15000psi Pump through safety valves are a sort of safety valve in full bore type, applied for Drill stem testing (DST) operation in HPHT well
2018-07-27