Back to results
US 2024/0052730 A1Published application
Electrical gas lift valves and assemblies
AssigneeSchlumberger Technology Corporation
InventorsGanesh Balasubramanian, Oguzhan Guven, Jason Bigelow, Naomi Crawford, Yann Dufour, Maria Tafur, Robert Krush
Life of this patent
Estimating the term…
Abstract
Electrical gas lift valves and systems including electrical gas lift valves are provided.
Claims15
An electrical gas lift valve assembly comprising:
- an electrical gas lift valve comprising:
- one or more inlet holes;
- one or more outlet holes;
- an orifice positioned along a flow path through the valve such that in use injection gas flows through the inlet holes, through the orifice, and through the outlet holes;
- and
- a valve needle configured to move relative to the orifice to selectively increase or decrease a flow area through the orifice;
- and
- an actuator assembly configured to cause selective movement of the valve needle relative to the orifice.
5 more elements
An electrical gas lift valve comprising a variable orifice opening and configured to allow for injection port choking over a range of port sizes to allow for adjusting of a flow rate of injection gas.
A method of operating a gas lift valve, the method comprising:
- providing control signals from the surface along a control line extending downhole to an actuator assembly;
- actuating the actuator assembly to cause rotation of a screw shaft of the gas lift valve;
- converting rotation of the screw shaft into axial translation of a valve needle of the gas lift valve;
- and
- axially translating the valve needle to selectively increase or decrease a flow area through an orifice of the gas lift valve.
2 more elements
Dependencies are inferred from the claim text.