Description

DST Full Bore Sleeve Type Drain Valve 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.