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Oil Well Testing Super Safety Valve High Pressure DST Working String The Super Safety Valve is the BOP safety valve applied for testing operations from jack-up or land rigs. It can rapidly closes the test ... Read More

Drill Stem Testing Tools Tester Valve / Circulating Valve Ball Valve Section The Ball Valve assembly is the most important part of drill stem testing tools including OMNI circulating valve/Multi - circulating ... Read More

VR Safety Joint of Open Hole Drill Stem Testing Tools 5" x 10000psi The VR Safety joint is a compact, right-hand safety joint of drill stem testing string. The VR safety joint is run immediately above the ... Read More

Slim Hole Tubing String Test Valve TTV For Downhole Drill Stem Testing The TST (Tubing String Testing) valve is a full-opening valve used to pressure-test the drillstem test string while running in the hole. ... Read More

Downhole Oil Tools Round Mandrel Slip Joint Cased Hole DST Full H2S Service Introudction of Round Mandrel Slip Joint in Full H2S Service The Round Mandrel Slip Joints with full openning design are used to drill ... Read More

Tension Safety Joint Downhole Oil Tools Full Bore Slim Hole DST Tools Full Opening Introudction of Tension Safety Joint The Tension Safety Joint is the optional emergency backoff tool of the drill stem testing ... Read More

7" 10000psi Drill Stem Test Tools Full H2S service Retrievable Safety Joint Introudction of retrievable Safety Joint The 7" x 10000 psi retrievable Safety Joint is the optional backoff tool of DST work string ... 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

High Pressure Slim Hole Select Tester Valve LPR N Valve DST 3 7/8" x 10000 PSI Brief of 3 7/8" LPR-N Valve The 3 7/8" LPR - N Valve is a kind of full opening tester valve used in slim hole drill stem tesing ... Read More

Drill Stem Testing Tools Oil and Gas Well Select Tester Valve Operation How to operate the select tester valve. The select tester valve is a kind of downhole tester valve in Halliburton type, which is used to ... Read More