IP Library › Granted Patent US 12,553,317
Granted Patent B2
US 12,553,317 · App. 18/584,388 · Granted Feb 17, 2026

Systems and methods for controlling fluid flow in a wellbore utilizing a flow control system

Inventors: Mohammed A. Aldossary (Dammam, SA); Mostafa M. Bori (Qatif, SA)
Assignee: Saudi Arabian Oil Company
E21B43/084E21B36/04E21B43/128E21B49/08F03G7/0614
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Quick Facts
Patent No.
US 12,553,317
App. No.
18/584,388
Granted
Feb 17, 2026
Kind
B2
Abstract

A flow control system for controlling multiphase formation fluid flow in a wellbore may comprise an electric submersible pump, an intake screen, a controller, a sensor, and a heating component, wherein: the intake screen comprises a shape memory alloy (SMA) mesh configured to perform a reversible modification between a first shape and a second shape; the sensor is configured to measure one or more fluid properties; the controller is communicably coupled to the sensor and the heating component and is configured to: determine whether the one or more fluid properties fall outside a predetermined tolerance at the controller, and actuate the heating component upon determining the one or more fluid properties fall outside the predetermined tolerance; and the heating component is configured to modify the SMA mesh from the first shape to the second shape when actuated, and thereby to control the multiphase formation fluid flow through the intake screen.

Claims (54)

1 . A flow control system for controlling multiphase formation fluid flow in a wellbore, comprising an electric submersible pump, an intake screen, a controller, a sensor, and a heating component, wherein:

the intake screen comprises a shape memory alloy (SMA) mesh, wherein the SMA mesh is configured to perform a reversible modification between a first shape and a second shape;

the controller is communicably coupled to the sensor and the heating component;

the sensor is configured to measure one or more fluid properties;

the controller is configured to:

determine whether the one or more fluid properties fall outside a predetermined tolerance at the controller, and

actuate the heating component upon determining the one or more fluid properties fall outside the predetermined tolerance; and

the heating component is configured to modify the SMA mesh from the first shape to the second shape when actuated, and thereby to control the multiphase formation fluid flow through the intake screen.

2 . The system of claim 1 , wherein:

the intake screen further comprises a second mesh underlying or overlaying the SMA mesh;

openings of the SMA mesh have a first degree of overlap with openings of the second mesh in the first shape, and a second degree of overlap with the openings of the second mesh in the second shape; and

the first degree of overlap is greater than or less than the second degree of overlap.

3 . The system of claim 1 , wherein the SMA mesh comprises two or more of silver, gold, cadmium, copper, aluminum, nickel, tin, zinc, titanium, indium, iron, platinum, and manganese.

4 . The system of claim 1 , wherein the heating component is configured to modify a temperature of the mesh to greater than a transformation temperature of the SMA mesh.

5 . The system of claim 4 , wherein the transformation temperature is greater than or equal to 50° C. and less than or equal to 180° C.

6 . The system of claim 1 , wherein:

a mesh size of the first shape is greater than a mesh size of the second shape; or

a mesh size of the first shape is less than a mesh size of the second shape.

7 . The system of claim 1 , wherein the one or more fluid properties comprise fluid density, conductivity, temperature, pressure, viscosity, specific heat, compressibility, optical density, gamma-ray transmittance, specific gravity, or combinations thereof.

8 . The system of claim 1 , wherein the predetermined tolerance comprises a tolerance of fluid density, conductivity, temperature, pressure, viscosity, specific heat, compressibility, optical density, gamma-ray attenuation, specific gravity, or combinations thereof.

9 . The system of claim 8 , wherein

the sensor measures fluid gamma-ray attenuation, and

the predetermined tolerance of the fluid gamma-ray attenuation is from 0 to 0.1 cm −1 measured at 50 keV, or from 0.1 to 0.2 cm −1 measured at 50 keV.

10 . The system of claim 8 , wherein

the sensor measures the fluid conductivity, and

the predetermined tolerance of the fluid conductivity is from 0 to 0.1 ohms per meter (Q/m), or from 0.1 to 100 ohms per meter.

11 . The system of claim 8 , wherein

the sensor measures the specific gravity, and

the predetermined tolerance of the specific gravity is from 0.55 to 0.91, or from 0.91 to 1.2.

12 . A method of controlling multiphase formation fluid flow in a wellbore, the method comprising:

passing the multiphase formation fluid through a flow control system, wherein

the flow control system comprises an electric submersible pump, an intake screen, a controller, a sensor, and a heating component,

the intake screen comprises a shape memory alloy (SMA) mesh; and

the sensor is configured measure one or more fluid properties of the multiphase formation fluid, and

the controller is communicably coupled to the sensor and the heating component;

measuring the one or more fluid properties via the sensor;

determining via the controller whether the one or more fluid properties fall outside a pre-determined tolerance at the controller; and

actuating the heating component to modify the mesh from a first shape to a second shape to control the multiphase formation fluid flow when the one or more fluid properties fall outside the pre-determined tolerance.

13 . The method of claim 12 , wherein:

the intake screen further comprises a second mesh underlying or overlaying the SMA mesh;

openings of the SMA mesh have a first degree of overlap with openings of the second mesh in the first shape, and a second degree of overlap with the openings of the second mesh in the second shape; and

the first degree of overlap is greater than or less than the second degree of overlap.

14 . The method of claim 12 , wherein the SMA mesh comprises two or more of silver, gold, cadmium, copper, aluminum, nickel, tin, zinc, titanium, indium, iron, platinum, and manganese.

15 . The method of claim 12 , wherein actuating the heating component modifies a temperature of the SMA mesh to greater than a transformation temperature of the SMA mesh.

16 . The method of claim 15 , wherein the transformation temperature is greater than or equal to 50° C. and less than or equal to 180° C.

17 . The method of claim 12 , wherein:

a mesh size of the first shape is greater than a mesh size of the second shape; or

a mesh size of the first shape is less than a mesh of the second shape.

18 . The method of claim 12 , wherein the one or more fluid properties comprise fluid density, conductivity, temperature, pressure, viscosity, specific heat, compressibility, optical density, gamma-ray transmittance, specific gravity, or combinations thereof.

19 . The method of claim 12 , wherein the predetermined tolerance comprises a tolerance of fluid density, conductivity, temperature, pressure, viscosity, specific heat, compressibility, optical density, gamma-ray attenuation, specific gravity, or combinations thereof.

20 . The method of claim 19 , wherein:

the sensor is configured to measure the fluid gamma-ray attenuation, and the predetermined tolerance of the fluid gamma-ray attenuation is from 0 to 0.1 cm −1 measured at 50 keV, or from 0.1 to 0.2 cm −1 measured at 50 keV;

the sensor is configured to measure the fluid conductivity, and the predetermined tolerance of the fluid conductivity is from 0 to 0.1 ohms per meter (Ω/m), or from 0.1 to 100 ohms per meter;

the sensor is configured to measure the specific gravity, and the predetermined tolerance of the specific gravity is from 0.55 to 0.91, or from 0.91 to 1.2.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 23, 2024
From: ALDOSSARY, MOHAMMED A.; BORI, MOSTAFA M.
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 066543/0268 →
Continuity (1)
Related Publication 20250270902A1 · Aug 28, 2025
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