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Flow Activated Bow Spring Centralizer Coiled Tubing Centralizer Introduction of Flow activated bow spring centralizer The flow activated bow spring centalizer is a kind of coiled tubing centralizer used for 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

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

Donwhole Tester Valve LPR-N Valve 5" x 15000psi For Oil Well Testing The LPR- N Tester Valve is a kind of downhole tester valve used in oil well testing service. The LPR-N valve is a full-opening, annulus ... 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

Downhole Tester Valve High Pressuer Drill Stem Testing Valve 5" x 15000psi Introudction Select tester valve The select tester valve is a kind of main downhole tester valve improved from the LPR- N valve, it is ... Read More

Downhole Tester Valve High Pressure Select Tester Valve Metering Cartridge Introduction of Metering cartridge The metering cartridge is the main section of the select tester valve which is used for the drill ... Read More

Radial Shock Absorber Vertical Shock Absorber for Drill Stem Testing In oil well drill stem testing operation, the shock absorber as the part of the DST tool string is designed for two types: Radial shock ... Read More

Oil and Gas Well Downhole Testing Dual Action Valve DAV Test Valve The dual-action valve is the DAV used in drill stem testing operation. The dual action vlave is a full-opening and annular Rupture disc ... 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