downhole tools online manufacture

3 7 / 8" Open Hole DST Drilling VR Safety Joint For Well Testing Service Brief of VR Safety Joint The VR Safety joint is applied for well drill stem testing operation in open hole in well testing service. The ... 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

High Pressure Open Hole DST Hydrospring Tester AISI Alloy Steel Material Introduction of DST Hydrospring Tester The Hydro spring tester was a reliable and field-proven downhole master valve which is used in ... Read More

Open Hole IPO Circulating Valve DST In Drilling Internal Pressure Operated Introduction of IPO Circulating valve The IPO circulating valve is a kind of circulating valve by nternal Pressure operationg. The ... 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

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

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

High Safety Hydraulic Drilling Jar 5" 105Mpa Cased Hole Downhole Oil Tools Introudction of Hydraulic Jar The hydraulic jar is a safety tool for the drill stem testing operation, The Hydraulic Jar is used to ... 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

5" 15000 PSI Cased Hole DST Tool Rupture Disk Sampler Drill Stem Testing Introduction of the Rupture Disk Sampler The rupture disk sampler is designed with full bore used for ful-flo drill stem testing ... Read More