downhole valve online manufacture

Drill Stem Testing Select Tester Valve Lock Open Tester Valve Well Testing Service Brief of Lock Open Tester Valve The Lock Open Tester Valve is the kind of full bore tester valve, which is an annulus pressure ... Read More

Drill Stem Testing Tools Hydraulic Circulating Valve High Pressure DST Tools Introudction of Hydraulic Circulating Valve The Hydraulic Circulating Valve is a kind of the circulating valve applied for the drill ... Read More

Alloy Steel Double Flapper Check Valve For Coiled Tubing 10000psi Working Pressure Introudction of CT Check Valve The double flapper check valve is applied the coiled tubing operation in oilfield, the check ... Read More

13Cr Well Completion Equipment Surface Controlled Subsurface Safety Valve Introudction of Subsurface Safety Valve The subsurface safety valve is a safety valve controlled by tubing portable ground for low ... Read More

5 Inch 15000 PSI RD Circulating Valve Cased Hole Drill Stem Test Tools Introudction of RD Circulating Valve The rupture disk circulating valve is operated by annulus pressure, and used for drill stem testing ... Read More

High Pressure RD Circulating Valve Full H2S Service Well Testing DST Tool Introudction of Multi Cycle Circulating Valve Multi-cycle circulating valve is a kind of circulating valve, which is used in well ... Read More

ISO BV Approve Open Hole DST Tester Valve Dual Control Valves 70 MpaIntroduction of Open Hole Multi-Flow Evaluator The Multi-Flow Evaluator, which has dual control valves, is sequentially opened and closed by ... Read More

Drill Stem Testing Tools LPR N Valve High Pressure Downhole Tester Valve Brief of 5" LPR N Tester Valve Valve The downhole tester valves inlcude LPR N Tester Valve and Select Tester Valve. The LPR N Tester ... Read More

Drill Stem Testing(DST) Tools Dual Action Ball Valve, Rupture Disk operated 5"OD x 15000 PSI, 400F, 3 1/2" IF or 3 7/8" CAS Introudction The Dual Action ball Valve is the annular Rupture disc controlled ball ... Read More

Oil and Gas Well Downhole Testing Dual Action Valve DAV Test Valve The dual-action valve is the DAV used in drill stem testing operation. The dual action vlave is a full-opening and annular Rupture disc ... Read More