downhole safety valve online manufacture

Tension Safety Joint Downhole Oil Tools Full Bore Slim Hole DST Tools Full Opening Introudction of Tension Safety Joint The Tension Safety Joint is the optional emergency backoff tool of the drill stem testing ... Read More

HPHT Coiled Tubing Tools Dual Activated Circulation Valve NACE MR0175 Standard Overview of CT Dual Activated Circulation Valve The Dual Activated Circulation Valve features with dual function Circulating & ... 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

Drill Stem Testing(DST) Tools 5"OD x 15000 PSI, 400F, 3 1/2" IF or 3 7/8" CAS Introudction The PT-RD Safety valve is a pump through Rupture disk controlled safety valve, a single cycle safety valve for end of ... 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

Drill Stem Testing(DST) Tools Dual Action Ball Valve, Rupture Disk operated 5"OD x 15000 PSI, 400F, 3 1/2" IF or 3 7/8" CAS Introudction The Dual Action ball Valve is the annular Rupture disc controlled ball ... Read More

Well Testing Sleeve Type Drain Valve Drill Stem Testing Tools 15000 PSI Introudction of Sleeve type Drain Valve The Drain Valve is a kind of DST tools used in well downhole testing service. The sleeve type ... Read More

RD Sampler APR Drill Stem Testing Tools High Pressure Rupture Disk Sampler RD Sampler introduction The RD sampler is a part of DST tool string, the rupture disk of the sampler is controlled by the annulas ... Read More

5 Inch 10000 PSI Open Hole DST VR Safety Joint Right Hand H2S Above 175oFIntroduction of VR Safety Joint The VR Safety joint is the tool of the DST working string used for the openhole well testing service. The ... 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