downhole safety valve online manufacture

15000psi Well Testing Tools Open Hole Multi-Flow Evaluator Alloy Steel MFE DST Tools Introduction of Open hole MFE packer The Multi-Flow Evaluator is a new approach in drill stem testing .It improves the ... 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

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

High Pressure Drill Stem Testing Tools Full H2S Service DST Tools A Drill stem testing is kind of downhole testing service for evaluating the hydrocarbon potential of a reservoir. The drill stem test is a ... 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

Hydraulic Jar For Oil & Gas Well Testing Service / Big John Jar The hydraulic jar is a safety tool used in well testing service, the hydraulic jar as the component of DST tool string is to help removing stuck ... Read More

High Pressure Hydraulic Jar For Drill Stem Testing Service Big John Jar The hydraulic jar is a safety tool of drill stem testing string, the hydraulic jar in Halliburton type is called Bigjohn Jar. The ... Read More

Well Testing Downhole Tools Round Mandrel Slip Joint High Pressure DST Tools The round mandrel slip joint is the component of drill stem testing tool string. The tool likes other slip joints, accepts the ... Read More

Wireline Link Jar Wireline Spang Jar Mechnical Jar Basic Wireline Tools The link jar is a kind of wireline mechanical jars which is the wireline basic tools used in wireline fishing operations with stems. The ... Read More

Well Testing Downhole Tools Round Mandrel Slip Joint High Pressure DST Tools The round mandrel slip joint is one component of drill stem testing tool string, which is an expansion and contraction compensating ... Read More