safety valve downhole drilling tools online manufacture

LPR N Tester Valve For Cased Hole Drill Stem Testing High Pressure Tester Valve Introduction of the LPR N Tester Valve The LPR-N Tester Valve is a kind of full-opening, annulus pressure-operated valve which is ... Read More

Oil Well Downhole Testing Rupture Disk Safety Circulating Valve Full H2S The rupture disk (RD) safety circulating valve is the component of the DST toolstring, with the functions of both a safety valve and ... 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

Fracturing Service Downhole Tools RD Circulating Valve 15000psi The Rupture disk (RD) Safety circulating valve is a tool used in oil & gas well downhole testing service, well completion operation and fracturing ... Read More

Multi-Cycle Circulating Valve For Drill Stem Testing in Cased Hole Introudction of DST OMNI Valve The Multi-Cycle Circulating Valve is the part of drill stem testing tool string. It is also called OMNI Valve in ... Read More

Downhole Retrievable Packer Drill Stem Test Mechanical Packer 3 1 / 2" Overview of Retrievable Packer 3 1/2" The 3 1/2" Retrievable packer is used in 3 1/2" casing, which is suitable for slim hole downhole ... 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

Well Testing Downhole Tools Round Mandrel Slip Joint High Pressure DST Tools The round mandrel slip joint is the component of drill stem testing tool string. The tool likes other slip joints, accepts the ... Read More

Drill Stem Testing APR Tools Full Bore Tension Safety Joint RTTS Type Overview of RTTS Safety Joint The RTTS safety joint is the part of the RTTS tool string applied for the drill stem testing operation in oil ... Read More

RD Circulation Valve Select Tester Valve Alloy Steel For DST Operation Introudction Select tester valve The select tester valve is a part of drill stem testing working string, served as main downhole tester ... Read More