Method and system for reducing output of reservoir simulation data

Patent metadata

Field	Value
Publication number	US-11568103-B2
Application number	US-202016833387-A
Country	US
Kind code	B2
Filing date	Mar 27, 2020
Priority date	Mar 27, 2020
Publication date	Jan 31, 2023
Grant date	Jan 31, 2023

Abstract

A method may include generating three-dimensional (3D) reservoir simulation data regarding a subsurface formation. The 3D reservoir simulation data may correspond to a plurality of reservoir properties at a predetermined timestep within a reservoir simulation. The method may include generating a 3D pixel dataset using the 3D reservoir simulation data. Each pixel of the 3D pixel dataset may be determined based on a plurality of reservoir property values. Each pixel of the 3D pixel dataset may include a red value, a green value, and a blue value that corresponds to three different reservoir property values out of the plurality of reservoir property values. The method may include generating a two-dimensional (2D) pixel dataset using the 3D pixel dataset. The 2D pixel dataset may correspond to a single video frame within various video frames.

First claim

What is claimed is:

1. A method, comprising:
disposing a well control system in a well environment to control operations of a well system, wherein the well control system comprises a reservoir simulator that processes and stores reservoir information of a reservoir by at least:
generating three-dimensional (3D) reservoir simulation data regarding a subsurface formation, wherein the 3D reservoir simulation data corresponds to a plurality of reservoir properties at a predetermined timestep within a reservoir simulation;
generating a 3D pixel dataset using the 3D reservoir simulation data,
wherein each pixel of the 3D pixel dataset is determined based on a plurality of reservoir property values, and
wherein each pixel of the 3D pixel dataset comprises a red value, a green value, and a blue value that corresponds to three different reservoir property values out of the plurality of reservoir property values;
converting the 3D pixel dataset into a two-dimensional (2D) pixel dataset, wherein the 2D pixel dataset corresponds to a single video frame within a plurality of video frames; and
generating a compressed video dataset using the plurality of video frames and a video compression algorithm; and

facilitating, using the well system, extraction of hydrocarbons from the reservoir,
wherein a storage footprint of the well control system is reduced by at least said generating the compressed video dataset.

2. The method of claim 1 , further comprising:
identifying a plurality of files associated with the reservoir simulation;
scanning every file out of the plurality of files;
estimating a time duration of the reservoir simulation based on the plurality of files scanned; and
obtaining the plurality of reservoir properties values from the plurality of files scanned,
wherein the 3D reservoir simulation data comprises a value indicating a number of the plurality of files, the time duration, and the plurality of reservoir property values.

3. The method of claim 2 , further comprising:
determining a size of the predetermined timestep based on the plurality of reservoir properties, the size of the predetermined timestep being based on the time duration estimated;
determining convergence characteristics and outputting properties for the reservoir simulation, the outputting properties comprising a total number of timesteps in the reservoir simulation; and
performing non-linear iterations to generate the 2D pixel dataset, the non-linear iterations comprising validating 3D reservoir simulation data well management system and solving the non-linear iterations with a linear solver,
wherein the plurality of reservoir properties comprises pressure and saturation changes through a reservoir.

4. The method of claim 3 ,
wherein the single video frame corresponds to a particular timestep within the total number of timesteps.

5. The method of claim 3 ,
wherein the predetermined timestep is configured to output the reservoir simulation data compressed using two different output frequencies, a first output frequency being a conventional output and a second output frequency being a compressed output.

6. The method of claim 1 ,
wherein the video compression algorithm is based on interframe compression and an H.264 codec.

7. The method of claim 1 , further comprising:
converting the plurality of reservoir properties into floating values; and
interpreting the floating-point values to generate the 3D pixel dataset through interpolation.

8. The method of claim 1 , further comprising:
observing the plurality of reservoir properties in a compressed video form.

9. A system, comprising:
a well system in a well environment and configured to facilitate extraction of hydrocarbons from a reservoir; and
a well control system to control operations of the well system, wherein the well control system comprises a reservoir simulator that processes and stores reservoir information of the reservoir by at least:
generating three-dimensional (3D) reservoir simulation data regarding a subsurface formation, wherein the 3D reservoir simulation data corresponds to a plurality of reservoir properties at a predetermined timestep within a reservoir simulation;
generating a 3D pixel dataset using the 3D reservoir simulation data,
wherein each pixel of the 3D pixel dataset is determined based on a plurality of reservoir property values, and
wherein each pixel of the 3D pixel dataset comprises a red value, a green value, and a blue value that corresponds to three different reservoir property values out of the plurality of reservoir property values;
converting the 3D pixel dataset into a two-dimensional (2D) pixel dataset; and
generating a compressed video dataset using the plurality of video frames and a video compression algorithm,

wherein a storage footprint of the well control system is reduced by at least said generating the compressed video dataset.

10. The system of claim 9 , wherein the reservoir simulator processes and stores the reservoir information of the reservoir further by:
identifying a plurality of files associated with the reservoir simulation;
scanning every file out of the plurality of files;
estimating a time duration of the reservoir simulation based on the plurality of files scanned; and
obtaining the plurality of reservoir properties values from the plurality of files scanned,
wherein the 3D reservoir simulation data comprises a value indicating a number of the plurality of files, the time duration, and the plurality of reservoir property values.

11. The system of claim 10 , wherein the reservoir simulator processes and stores the reservoir information of the reservoir further by:
determining a size of the predetermined timestep based on the plurality of reservoir properties, the size of the predetermined timestep being based on the time duration estimated;
determining convergence characteristics and outputting properties for the reservoir simulation, the outputting properties comprising a total number of timesteps in the reservoir simulation; and
performing non-linear iterations to generate the 2D pixel dataset, the non-linear iterations comprising validating 3D reservoir simulation data well management system and solving the non-linear iterations with a linear solver,
wherein the plurality of reservoir properties comprise pressure and saturation changes through a reservoir.

12. The system of claim 11 ,
wherein the single video frame corresponds to a particular timestep within the total number of timesteps.

13. The system of claim 11 ,
wherein the predetermined timestep is configured to output the reservoir simulation data compressed using two different output frequencies, a first output frequency being a conventional output and a second output frequency being a compressed output.

14. The system of claim 9 ,
wherein the video compression algorithm is based on interframe compression and an H.264 codec.

15. The system of claim 9 , wherein the reservoir simulator processes and stores the reservoir information of the reservoir further by:
converting the plurality of reservoir properties into floating-point values; and
interpreting the floating-point values to generate the 3D pixel dataset through interpolation.

16. A non-transitory computer readable medium storing instructions of a reservoir simulator in a well control system, the instructions, when executed by a computer processor, comprising functionality for processing and storing reservoir information of a reservoir by at least:
generating three-dimensional (3D) reservoir simulation data regarding a subsurface

Assignees

• Saudi Arabian Oil Co

Inventors

• Rogowski Marcin
• Cancelliere Michel
• Kayum Suha Naim

Classifications

• G06F30/20 Primary

  Design optimisation, verification or simulation (optimisation, verification or simulation of circuit designs G06F30/30) · CPC title

• G06T17/00

  Three-dimensional [3D] modelling for computer graphics · CPC title

• H04N19/70

  characterised by syntax aspects related to video coding, e.g. related to compression standards · CPC title

• G09B23/12 Primary

  of liquids or gases · CPC title