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Well Testing Downhole Tools Round Mandrel Slip Joint High Pressure DST Tools The round mandrel slip joint is one component of drill stem testing tool string, which is an expansion and contraction compensating ... 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

Vertical Shock Absorber Drill Stem Test Tools High Pressure 15000 PSI Service Introduction of Vertical Shock Absorber The Vertical Shock absorber is one of shock absorber used for drill stem testing operation ... Read More

Cased Hole Full Bore Retrievable Safety Joint for Drill Stem Testing Introudction of Safety Joint The Retrievable safety joint is an optional emergency backoff equipment in oil & gas well testing operation and ... Read More

Slim Hole Drill Stem Test ToolsRound Mandrel Slip Joint DST Tool 3 7/8" Size Introduction of Round Mandrel Slip Joint 3 7/8" round mandrel slip joints are available for the slim hole well testing service, ... Read More

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