dst tool online manufacture

APR Drill Stem Testing Tools For Slim Hole Downhole Testing The Drill Stem Testing Tools / DST tools manufactured by Techcore Oil Tools is full bore type and annular pressure operated downhole testing tools as ... Read More

High Pressure Drill Stem Test Tools Cased Hole Sleeve Type Drain Valve Introudction of DST Drain Valve The sleeve type drain valves are applied in drill stem testing operation to drain the volume fluid and ... 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

DST Tools 5" x 105Mpa WP Rupture Disc Sampler Well Testing RD Sampler The rupture disk (RD) sampler is a full-open, full bore sleeve sampler used in drill stem tests. The full bore sleeve sampler is controlled ... Read More

10000 PSI Alloy Steel Well Testing Tools Cased Hole 9 5/8" Retrievable Safety Joint Introudction of 9 5/8" Retrievable Safety Joint The 9 5/8" Retrievable safety joint with 10000psi working pressure is a knd of ... 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

Sleeve Type Drain Valve Downhole Oil Tools Drill Stem Test 15000 PSI 105 Mpa Introudction of Sleeve Type Drain Valve When the drill stem testing finished, the sleeve type drain valve as the part of the DST work ... Read More

AISI Alloy Steel Internal Pressure Safety Valve Open Hole DST Equipment The 3 7/8" Internal Pressure-Operated Circulating Valve is a sort of circulating valve used to the drill stem testing operation in slim ... Read More

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

Multi Cycle Circulation Valve OMNI Valve Full Opening Formation Testing Service Introudction of Multi Cycle Circulating Valve Multi Cycle Circulating Valve is a full opening and annulus pressure-operated re... Read More