Automated Reservoir Data Quality Workflow

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Solution Overview

Problem

Reservoir simulation engineers face a time-consuming and tedious process in manually quality checking large amounts of data for reservoir models, including wells, logs, and completion events spanning up to 50 years, which requires rigorous data quality control to eliminate inconsistencies and ensure accurate modeling.

Innovation Solution

A simulation data quality workflow design and software package that automates the quality checking process, using tailored workflows to guide engineers through quality control steps, identifying and addressing inconsistencies, and recommending remedial actions, thereby reducing the time required for history matching from months to days.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual quality checking is performed on large amounts of reservoir data, then data accuracy is improved, but time consumption increases significantly

Engineering Contradiction:
Improvedata accuracyVSAvoidtime consumption
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces the manual mechanical quality checking process with an automated computer-based system that uses algorithms and software tools to validate reservoir data, grid models, and well completion information, thereby eliminating the time-consuming manual review while maintaining or improving data accuracy through systematic automated validation rules

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The automated quality assurance system performs self-validation of the reservoir simulation data by automatically checking data consistency, validating grid configurations, verifying well completion details, and generating quality reports without requiring continuous human intervention, allowing the system to service itself in the data validation process

Inventive Principle:
Principle #25Self-service

2Reliability

If comprehensive data validation is performed on all reservoir data, then model reliability is improved, but process complexity increases

Engineering Contradiction:
Improvemodel reliabilityVSAvoidprocess complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the comprehensive data validation process into distinct modular components, including separate validation routines for grid data, well completion data, seismic data, and production data, allowing each segment to be validated independently through specialized algorithms while maintaining overall model reliability through integrated quality assurance

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system employs parameter-based validation rules and thresholds that can be configured and adjusted to match specific project requirements, allowing the complexity of the validation process to be adapted by changing parameters rather than redesigning the entire validation framework, thus maintaining reliability while managing process complexity

Inventive Principle:
Principle #35Parameter changes

3Productivity

If automated workflows are implemented for data quality checking, then productivity is improved, but initial setup complexity increases

Engineering Contradiction:
ImproveproductivityVSAvoidsetup complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent implements preliminary action by pre-configuring validation templates, quality standards, and automated workflows during the initial project setup phase, so that once established, the system can automatically execute comprehensive data quality checking without requiring complex ongoing configuration, thereby improving productivity while managing setup complexity through advance preparation

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3090289B1Machines for reservoir simulation automated well completions and reservoir grid data quality assurance
Publication Date: 2022.04.20 SAUDI ARABIAN OIL CO
  • EP3090289B1 patent drawingFigure 1
  • EP3090289B1 patent drawingFigure 2
  • EP3090289B1 patent drawingFigure 3

AI summary

Machine, computer readable medium, program code, and computer-implemented methods for performing a reservoir simulation with well completion and reservoir grid data quality assurance, are provided. An exemplary embodiment can include a data quality analyzing machine having memory containing data quality analyzing instructions configured to simulate a reservoir model with automated well completion and reservoir grid data quality assurance.