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.... The tool functions as a safety valve when the annulus pressure reaches a predetermined value. At that pressure, the valve isolates the workstring below the tool and establishes communication between the an...
... through the work string before trip-out and serves as a drain during trip-out. It can be run in cased holes or open holes and maintains a full bore through the tool. The IPO circulating valve is used in the...
...Valve Actuator for Automotive and Industrial Use – Precision Air Chuck Tool for Efficient Tire Inflation Product Description: The Heavy-Duty Tire Valve Actuator is a premium pneumatic valve control tool desi...
...Valve Downhole Oil Tools Drill Stem Test Tools 9 5/8" Introudction of RTTS Circulating Valve The 9 5/8" RTTS Circulating valve is the retrievable circulating valve designed with full bore feature. The RTTS c...
...Stem Test Tools Full Bore Retrievable Circulating Valve Introudction of Retrievable Circulating Valve The Retrievable Circulating valve designed with Full opening features is applied for drill stem testing s...
... hole with pressure or fluid trapped between them. Pressure is relieved by installing the drain collar and drain nipples on the drain valve. Valves, lines, or sample bottles may be attached to the drain nipp...
...Stem Testing Tools Hydraulic Circulating Valve High Pressure DST Tools Introudction of Hydraulic Circulating Valve The Hydraulic Circulating Valve is a kind of the circulating valve applied for the drill ste...
...Valve Drill Stem Test Tools Multi Cycle Circulation Valve Annulus Pressure Operation Introduction of Multi-cycle circulating valve The Multi-Cycle Circulating Valve is applied for the drill stem testing serv...
...led OMNI Valve in Halliburton type. The multi-cycle circulating valve is operated by differential pressure which can offer multi open and closed cycles. Shear pins in the multi- cycle circulating valve hold ...
Rupture Disc For Drill Stem Testing Tools RD Circulating Valve The Rupture Disc is the component of Drill Stem Testing tools with RD function, such as RD circulating valve, RD sampler etc. The rupture disc is c...
...Valve For Drill Stem Testing Service The Rupture Disk safety circulating valve is a part of DST tool string, the RD Safety Circulating Valve can be used as both a safety valve and circulating valve. The RD S...
... fluid and release pressure when string testing finished. Before the drain valve is run in hole, the ports in the sleeve of drain valve will be sealed with two sets of O rings, and in order to keep the slidi...
... to open and close the well by lifting and lowering the drill pipe (or tubing) to control the ball valve of the tester valve. The mechanical tester valve is closed while the tool is running in hole. When the...
...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 controlled ball valve type downhole test valve to...
... in the hole. The valve is operated after it is stung into a permanent packer or a retrievable packer is set. The valve requires a differential pressure between the annulus and the tubing to burst the ruptur...
...valve is a full opening, annulus pressure operated tool used in cased holes testing operation. The select tester valve has the capabilities of taking multiple downhole closures where pipe manipulation is res...
... and operated by annulus pressure in the hole. the TST valve is used to pressure-test the work string during running in the hole. The TST valve is operated after it is stung into a permanent packer or a retr...
... in offshore operations when storms are expected or when surface equipment, such as blowout preventers, must be repaired. Becasued the storm valve allows operators to close in a well that is being drilled wi...
... testing service and well completion operation. RD Circulating valve is the same as RD Safety circulating valve except short of ball valve section, the annulus pressure made RD burst and the pressure goes in...
..., sliding sleeve, and rotating nut, which controls the position of the sliding sleeve. The sleeve either covers or exposes the ports in the body of the valve. A drain collar and associated components are req...