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LPR-N Tester Valve Drill Stem Testing Operation Downhole Tester Valve The LPR- N Tester Valve is a full-opening, annulus pressure-operated valve. The downhole tester valve permits measuring multiple closed-in ... Read More

Drill Stem Testing Hydraulic Circulating Valve 5" x 15000 psi The Hydraulic Circulating Valve called H-circulating valve is the part of drill stem testing string, it serves as a bypass around the packer or as a ... Read More

Drill Stem Testing Tools Oil and Gas Well Select Tester Valve Operation How to operate the select tester valve. The select tester valve is a kind of downhole tester valve in Halliburton type, which is used to ... Read More

Drill Stem Testing Hydraulic Circulating Valve 5" x 15000 psi The Hydraulic Circulating Valve is the part of drill stem testing string, it serves as a bypass around the packer or as a circulating valve to ... Read More

Gas Well Downhole Tester Valve High Pressure APR Tools For Drill Stem Testing The donwnhole tester valve is used to drill stem testing operation in oil and gas well. The downhole tester valve we manufactured is ... Read More

Drill Stem Testing Tools APR Downhole Tester Valve Select Tester Valve Structure of Downhole Tester Valve The select tester valve is composed of four basic sections; ball valve section, upper hydraulic section, ... Read More

Ball Valve Section / Metering Section of Downhole Select Tester Valve The Full Bore Downhole Tester Valve is the Select Tester Valve in Halliburton, which is an annulus pressure controlled ball valve and is ... 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

Drill Stem Testing Tool String Vertical Shock Absorber & Radial Shock Absorber The shock absorber is a part of the DST tool string used for oil and gas well testing opeation. There are two types of shock ... Read More

Well Testing Select Tester Valve 15000psi Downhole Test The select tester valve is a kind of downhole tester valve in oil and gas well testing operation. The select tester valve is the Halliburton type tester ... Read More