safety valve downhole drilling tools online manufacture

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

HPHT Omni Circulating Valve Rupture Disc Safety Circulating Valve 5 Inch Introudction of RD Safety Circulating Valve The rupture disk / RD safety circulating valve is a sort of circulating valve, used in drill ... Read More

5" 15000 PSI Downhole Select Tester Valve Full H2S Well Testing Service Introudction of DST Select tester valve The select tester valve is the lock open tester valve with a full opening design and operated by ... Read More

Full H2S Select Tester Valve Dst Well Test Tubing Tester Valve Cased Hole Introudction of Tubing tester Valve The Tubing Tester valve is a full opening test valve that allows the drill stem test string to be ... Read More

10000 PSI Alloy Steel Well Testing Tools Cased Hole 9 5/8" Retrievable Safety Joint Introudction of 9 5/8" Retrievable Safety Joint The 9 5/8" Retrievable safety joint with 10000psi working pressure is a knd of ... Read More

Oilfield Downhole Mechnical Tester Valve High Pressure Tester Valve Introudction of Mechanical tester Valve Mechanical tester valves are the kind of the downhole tester valve is opening and closing the well by ... Read More

RD Sampler DST Tools Rupture Disc Sampler for High Pressure Well Testing Introduction of the RD samplers DST tools The RD sampler is the sampling tools used in oil well drill stem testing service. The full name ... Read More

Downhole Wireline Roller Stem Wireline Sinker Bar Wireline Stem A roller stem is a sort of wireline stem used for downhole wireline fishing operation. The wireline roller stem is designed to replace conventiona... Read More

Donwhole Oil Tools For Fracture Acidizing Service RTTS Packer The RTTS Packer is a full-opening,hookwall-type packer designed for use in testing,treating,and squeeze-cementing operations.The full-opening ... Read More

Cased Hole Open Hole Drill Stem Testing Tools APR Tools Slim Hole DST Tools Introudction of APR DST Tools The APR DST Tools is a sort of well testing downhole tools which is operated by the annulus pressure. ... Read More