DST Full Bore Sleeve Type Drain Valve For Slim Hole

DST Full Bore Sleeve Type Drain Valve 3 7/8" x 15000 psi for Slim Hole

During the downhole testing service in oil & Gas well, the drain valve is used to drain the volume fluid and release pressure when string testing finished, including Sleeve Type Drain valve and Full Bore Drain valve.The sleeve type drain valve is installed between any two valves may come out of the hole with pressure to collect the fluid sample, the drain valve can provides a safe method for bleeding off trapped pressure.

The drain valve consists of a ported body, 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. The drain valve is suitable for sour service at all temperatures. A drain collar and associated components are required when relieving pressure.

Technical parameter of DST Drain Valve

About ZZ TOP OIL TOOLS - TECHCORE

ZZ TOP Oil Tools Co., Ltd, headquartered in Xi’an City, focused on the design and production of drill stem testing tools and wellhead equipment since 2010. With the business expanding, ZZ TOP Oil Tools jointed to build the factories for wellhead equipment under the brand " JC Wellhead" and downhole tools under the brand "Techcore".

* "JC Wellhead" was estabilished in 2010 in Yancheng city, specialized in design and manufacturing of the oilfield wellhead equipment conformed with API 6A specification.

* "Techcore Oil Tools" was re-built in 2016 in Baoji city, specialized in design and manufacturing of drill stem testing tools, coiled tubing tools, wireline tools and other downhole tools.

As the whole team, ZZ TOP is always following the principle of “ Customer First” and offers high quality products combined with excellent service, insist on “Trace-ability, Serialization” for each tools and related parts. And as the head office of JC wellhead and Techcore, focuses on marketing ,sales and after-sales, we are based on customer satisfaction.

  customers' benefits

The drill stem testing tools are applied in cased hole, open hole and slim hole downhole operation, the DST tools not only used for well testing oepration, but also used for fracturing operation, well completion operation, well flow test operation, and tubing perforating oepraton.

The main DST tool string includes RTTS packer, full bore retrievable circulating valve, full bore retrievable safety joint, select tester valve, downhole tester valve, omni valve / multi-cycle circulating valve, hydraulic jar, radia shock absorber,Vertical shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, IPO valve, tubing string test valve, and so on.

Welcome to contact us for more information!