downhole tools online manufacture

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

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

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

AISI Alloy Steel Oil Drilling Tools Radial Shock Absorber 1170mm Length Introduction of Radial Shock Absorber For the drill stem testing operation, there are two types of shock absorber: Vertical shock absorber ... Read More

NACE MR0175 Downhole Fishing Tools RTTS Safety Joint Cased Hole 7" 70Mpa Introudction of Retrievable Casing Packer The Retrievable Casing Packer is a sort of hook-wall full bore packer. The packer is designed ... Read More

Slim Hole Well Testing Hydraulic Jar 3 7/8" 105Mpa Drill Stem Testing Tools Introudction of Hydraulic Jar The hydraulic jar is a part of the DST workstring. The jar is operated by the annulus pressure to help ... 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

Drill Stem Testing Tools Hydraulic Circulating Valve High Pressure DST Tools Introudction of Hydraulic Circulating Valve The Hydraulic Circulating Valve is a kind of the circulating valve applied for the drill ... Read More

Cased Hole 5" 10000 PSI Rupture Disk Sampler Drill Stem Testing DST Tool Introduction of the RD sampler The rupture disk (RD) sampler is a sort of full bore sleeve sampler that is applied for drill stem testing ... Read More