circulation valve online manufacture

Slim Hole Tubing String Test Valve TTV For Downhole Drill Stem Testing The TST (Tubing String Testing) valve is a full-opening valve used to pressure-test the drillstem test string while running in the hole. ... Read More

Burst Disc Circulation Sub Primary Coiled Tubing Tools for Downhole Operation Introduction of Burst Disc Circulation Sub The burst disc circulation sub is a kind of circulation valve for downhole operation. The ... 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 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

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

Oil Well Coiled Tubing Tools Dual Flapper Check Valve Downhole Tools Introduction of Dual Flapper Check Valve The dual flapper check valve is a standard coiled tubing tools as the part of the BHA tools. The ... Read More

Multi Cycle Downhole Oil Tools OMNI Valve Downhole Well Testing Equipment Introudction of Multi Cycle Circulating Valve Test Multi Cycle Circulating Valve is annulus pressure-operated re-closable circulating ... Read More

Oil Well Testing Super Safety Valve High Pressure DST Working String The Super Safety Valve is the BOP safety valve applied for testing operations from jack-up or land rigs. It can rapidly closes the test ... Read More

AISI Alloy Steel Internal Pressure Safety Valve Open Hole DST Equipment The 3 7/8" Internal Pressure-Operated Circulating Valve is a sort of circulating valve used to the drill stem testing operation in slim ... Read More

High Pressure Drill Stem Test Tools Cased Hole Sleeve Type Drain Valve Introudction of DST Drain Valve The sleeve type drain valves are applied in drill stem testing operation to drain the volume fluid and ... Read More