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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

High Pressure RTTS Circulating Valve DST Tools String Bypass Valve The RTTS Circulating valve is the full bore retrievable circulating valve, applied for drill stem testing operaion. The RTTS circulating valve ... Read More

Cased Hole DST Tools Gauge Carrier with 4 Gauges HPHT Drill Stem Testing The gauge carriers are external gauge carriers used for carrying four electric pressure gauge or temperature gauge, record annular ... Read More

VR Safety Joint of Open Hole Drill Stem Testing Tools 5" x 10000psi The VR Safety joint is a compact, right-hand safety joint of drill stem testing string. The VR safety joint is run immediately above the ... Read More

Nitrogen Pump System for Oil Well Drill Stem Testing Tools Pressure Test Introduction of Nitrogen Pump System The Nitrogen Pump System is the test pump to take the high pressure test and function test for Drill ... Read More

Cased Hole Big John Jar For Drill Stem Testing High Pressure Hydraulic Jar The Big John Jar is a kind of hydraulic jar which is Halliburton type. The Big John Jar is used as a safety tool in the well downhole ... Read More

DST Tool String Rupture Disc Sampler For Cased Hole & Slim Hole Well Testing Sleeve Type RD Sampler The rupture disk sampler / RD Sampler is the part of DST tool String. The RD sampler is designed with full ... Read More

Hydraulic Jar Big John Jar For Cased Hole Drill Stem Testing 5" x 15000psi Introudction of Hydraulic Jar The hydraulic jar is the Halliburton Big John Jar, which is used as a safety tool in the well downhole ... Read More

Downhole Well Bore Clean Tools Casing Scrapers Rotating Scraper Casing Scraper is a kind of well bore clean tools, which is used to remove dirt which may be left over the inside walls of casing, such as cement, ... Read More

5 Inch Drill Stem Test Tools Tubing String Testing Valve 15000 PSI Antirust Introudction of Tubing String Testing Valve The tubing string testing valve - TST valve is designed in full-opening and operated by ... Read More