# US 2025/0084757 A1 · Distributed sensor array for well completions

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- Number: US 2025/0084757 A1
- Document ID: US20250084757A1
- Status: Published application
- Kind: A1
- Application number: 18/730,496
- Filed: 2023-03-22
- Published: 2025-03-13
- Earliest claimed: 2022-03-23
- Assignees: Schlumberger Technology Corporation
- Applicants: Schlumberger Technology Corporation
- Inventors: Yann Dufour; Benoit Deville
- Web page: https://patentgrep.com/patent/US20250084757A1

## CPC

- E21B 47/01: Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B 47/10: Locating fluid leaks, intrusions or movements
- E21B 43/08: Screens or liners {(expandable screens or liners E21B43/108)}
- E21B 47/12: Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

## Abstract

A sensor assembly for use with a completion disposable within a well extending through a reservoir. The sensor assembly may include a sensor cable and a plurality of vibration sensors. The sensor cable may include an outer liner made up of housing sections and sensor housing structures sealably connected to the housing sections and spaced apart longitudinally along a length of the sensor cable. The plurality of vibration sensors may be operable to measure a property related to a flow of fluid within the reservoir and each sensor of the plurality of vibration sensors may be disposed in a respective sensor housing structure.

## Claims

### Claim 1

A sensor assembly for use with a completion disposable within a well extending through a reservoir, the sensor assembly comprising:
sensor cable comprising an outer liner made up of housing sections and sensor housing structures sealably connected to the housing sections and spaced apart longitudinally along a length of the sensor cable; and
a plurality of vibration sensors operable to measure a property related to a flow of fluid within the reservoir, each sensor of the plurality of vibration sensors disposed in a respective sensor housing structure.

### Claim 2 (depends on 1)

The sensor assembly of claim 1, wherein the plurality of vibration sensors comprises single axis vibration sensors.

### Claim 3 (depends on 1)

The sensor assembly of claim 1, wherein the plurality of vibration sensors comprises multiaxis vibration sensors.

### Claim 4 (depends on 1)

The sensor assembly of claim 1, further comprising a sand screen configured to prevent passage of particulate material into a completion section.

### Claim 5 (depends on 4)

The sensor assembly of claim 4, further comprising wires inside the outer liner to interconnect the plurality of sensors, wherein the sensor cable is deployed proximate to the sand screen in the well.

### Claim 6 (depends on 5)

The sensor assembly of claim 5, wherein each sensor includes a sensor chip and a communications interface connected to at least one of the wires.

### Claim 7 (depends on 1)

The sensor assembly of claim 1, wherein the outer liner includes a continuous control line.

### Claim 8 (depends on 1)

The sensor assembly of claim 1, further comprising a controller cartridge that is part of the liner, the controller cartridge having a processor.

### Claim 9

A production system disposable within a wellbore extending through a reservoir, the production system comprising:
a completion assembly; and
sensor assembly coupled to the completion assembly, the sensor assembly comprising:
sensor cable comprising an outer liner made up of housing sections and sensor housing structures sealably connected to the housing sections and spaced apart longitudinally along a length of the sensor cable; and
a plurality of vibration sensors operable to measure a property related to a flow of fluid within the reservoir, each sensor of the plurality of vibration sensors disposed in a respective sensor housing structure.

### Claim 10 (depends on 9)

The production system of claim 9, wherein the completion assembly comprises:
a first completion section for positioning in the wellbore; and
a second completion section for positioning within the wellbore and couplable to the first completion section.

### Claim 11 (depends on 10)

The production system of claim 10, wherein the first completion section comprises a first inductive coupler portion and the second completion section comprises a second inductive coupler portion to communicate with the first inductive coupler portion.

### Claim 12 (depends on 9)

The production system of claim 9, wherein the plurality of vibration sensors comprises single axis vibration sensors.

### Claim 13 (depends on 9)

The production system of claim 9, wherein the plurality of vibration sensors comprises multiaxis vibration sensors.

### Claim 14 (depends on 9)

The production system of claim 9, wherein the sensor assembly further comprises a sand screen configured to prevent passage of particulate material into a completion section.

### Claim 15 (depends on 14)

The production system of claim 14, wherein the sensor assembly further comprises wires inside the outer liner to interconnect the plurality of sensors, wherein the sensor cable is deployed proximate to the sand screen in the well.

### Claim 16 (depends on 15)

The production system of claim 15, wherein each sensor includes a sensor chip and a communications interface connected to at least one of the wires.

### Claim 17 (depends on 9)

The production system of claim 9, wherein the outer liner includes a continuous control line.

### Claim 18 (depends on 9)

The production system of claim 9, wherein the sensor assembly further comprises a controller cartridge that is part of the liner, the controller cartridge having a processor.

### Claim 19

A method of completing a well, the method comprising:
deploying a completion assembly within the well, the completion assembly comprising a plurality of vibration sensors; and
measuring a property related to a flow of fluid within a reservoir surrounding the well via the plurality of vibration sensors.

### Claim 20 (depends on 19)

The method of claim 19, further comprising filtering particulate from the fluid within the reservoir via a sand screen prior to the fluid entering the completion assembly.
