dst tool online manufacture

ISO BV SGS DST Tool HPHT Cased Hole RD Safety Circulation Valve 3 7/8" Introudction of 3 7/8" RD safety circulating valve The 3 7/8" rupture disk RD safety circulating valves are applied the drill stem testing ... 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

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

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

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

Slim Hole Drilling Tool DST Sleeve Rpture Disk Ful Flo Sampler 3 7/8" 15000 PSI Introduction of the Rupture Disk Sampler The RD Sampler is a full open sleeve type sampler for use on drill stem tests service. ... 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

Slim Hole Retrievable RD Circulating Valve DST Tools 2 3 / 8" 10000 PSI WP Introudction of Retrievable Circulating Valve The 2 3/8" Retrievable Circulating valve is a sort of APR tools,designed with full bore ... Read More

Multi Cycle Circulating Downhole Valve DST Tool Pressure And Function Test Introudction of Multi Cycle Circulating Valve Multi Cycle Circulating Valve is a full opening and annulus pressure-operated re-closable ... Read More

RTTS Circulating Valve Downhole Oil Tools Drill Stem Test Tools 9 5/8" Introudction of RTTS Circulating Valve The 9 5/8" RTTS Circulating valve is the retrievable circulating valve designed with full bore ... Read More