Valves and control systems for clean fluid pressure equalization and de-energization
AssigneeE3 LLC
InventorsDaniel Fink, Clayton Dale
Life of this patent
Estimating the term…
Abstract
A pressure control system configured to respond to high-pressure conditions in a fluid conduit is disclosed. The system generally includes first and second flow restrictors positionable inline on a fluid conduit and configured to block fluid flow in the conduit and respond to a high-pressure event to allow fluid flow therethrough. The first flow restrictor is position upstream from the second flow restrictor and may open to allow fluid flow in response to the high-pressure event. The second flow restrictor provides adjustable flow of fluid therethrough or may open a bypass line in response to the high-pressure event to allow unrestricted fluid flow therethrough.
Claims20
A flow restrictor system for pressure relief in a fluid conduit, the system comprising:
- a first flow restrictor comprising:
- a sleeve having an inlet end, an outlet end, and a longitudinal bore therebetween,
- an insert positioned within the longitudinal bore and sealed against an inner wall thereof, the insert comprising a plurality of longitudinal perforations that provide fluid passage through the longitudinal bore, and
- a plurality of ports positioned radially through the sleeve, each port in fluid communication with one of the plurality of longitudinal perforations, wherein each port comprises an adjustable plunger configured to move within the port to adjustably restrict fluid flow through the one of the plurality of longitudinal perforations,
- wherein the insert comprises a bypass port configured to provide fluid flow that bypasses the plurality of longitudinal perforations, the bypass port is configured to be maintained in a closed configuration by a piston, and the piston is configured to open the bypass port in response to a high-pressure condition.
A flow restrictor system for pressure relief in a fluid conduit, the system comprising:
- a first flow restrictor comprising:
- a first sleeve having a first inlet end, a first outlet end, and a first longitudinal bore therebetween,
- a first insert positioned within the first longitudinal bore and sealed against an inner wall thereof, the first insert comprising a plurality of first longitudinal perforations that provide fluid passage through the first longitudinal bore, and
- a plurality of ports positioned radially through the first sleeve, each port in fluid communication with one of the plurality of first longitudinal perforations, wherein each port comprises an adjustable plunger configured to move within the port to adjustably restrict fluid flow through the one of the plurality of first longitudinal perforations,
- wherein the first insert comprises a bypass port configured to provide fluid flow that bypasses the plurality of first longitudinal perforations, the bypass port is configured to be maintained in a closed configuration by a first piston, and the first piston is configured to open the bypass port in response to a high-pressure condition;
- and
- a second flow restrictor connected inline to the first flow restrictor, the second flow restrictor comprising:
- a second sleeve having a second inlet end, a second outlet end, and a second longitudinal bore therebetween, and
- a second insert positioned within the second longitudinal bore and sealed against an inner wall thereof, the second insert comprising a plurality of second longitudinal perforations that provide fluid passage through the second longitudinal bore, wherein the second insert comprises a second piston configured to restrict flow of fluid through the second longitudinal bore of the second flow restrictor when in a closed configuration.
Dependencies are inferred from the claim text.