dst drill stem test online manufacture

Hollow Plug Impact Reversing Sub Open Hole DST 3 7 / 8" For Oilfield High Pressure Drill Stem Testing Introduction of Hollow Plug Impact Reversing Sub The Hollow Plug Impact Reversing Sub is applied for the ... 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

Multi-Flow Evaluator For Open Hole Drill Stem Testing Service The Multi-Flow Evaluator is a new approach in drill stem testing service. It improves the control during the testing operation and evaluation of ... 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

5 Inch 10000 PSI Open Hole DST VR Safety Joint Right Hand H2S Above 175oFIntroduction of VR Safety Joint The VR Safety joint is the tool of the DST working string used for the openhole well testing service. The ... Read More

High Pressure RTTS Circulating Valve DST Tools String Bypass Valve The RTTS Circulating valve is the full bore retrievable circulating valve, applied for drill stem testing operaion. The RTTS circulating valve ... Read More

DST Full Bore Sleeve Type Drain Valve 3 7/8" x 15000 psi for Slim Hole During the downhole testing service in oil & Gas well, the drain valve is used to drain the volume fluid and release pressure when string ... Read More

Slim Hole Sleeve Type Drain Valve Downhole Drilling Tools 3 7/8" 15000 PSI Introudction of Slim Hole Drain Valve The 3 7/8" sleeve type drain valve is used to slim hole drill stem testing operation. Once the ... Read More

Alloy Steel Well Testing Tools Oil Well Drilling Tools OMNI Circulating Valve Introudction of DST OMNI Valve The DST OMNI Circualting Valve is a sort of annulus pressure operated and reclosable circulating ... Read More