Sliding Hydrostatic Valve
A metal body with a sleeve fitted with sealing rings and a stop.
Advantages
- anti-erosion protection;
- high strength factor of the slotted screen and structure;
- regeneration of the filtering surface by flushing.
Specifications
- activation pressure: 50 to 90 MPa
- number of ports: 6
- port diameter: 20 mm
- total circulation port area: 1885 mm²
- size range: 102/146; 114/168(178); 140(146)/219(245)
Application area and experience
The sliding hydrostatic valve is used for multi-interval staged fracturing. After the screws are sheared, the sleeve shifts down and opens windows in the valve body for the working fluid to pass, providing reservoir treatment; the sleeve is held in place by a stop.
