Physical Property Model Refinement via Areal Misfit Analysis
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Solution Overview
Problem
Current methods for improving physical property models in hydrocarbon exploration are inefficient in comparing misfit between simulated and observed data, leading to inaccuracies and speculative decisions due to the use of average misfit, which hides regional inaccuracies and does not allow for element-by-element analysis.
Innovation Solution
A method that transforms information from a model domain into simulated data in a data domain, determines areal misfit, and adjusts data or model information based on evaluation, providing a visual representation of misfit using color variations to identify and address inaccuracies, allowing for more precise model updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If average misfit is used to compare simulated and observed data, then the model update process can be simplified, but regional inaccuracies are hidden and element-by-element analysis is not possible
Solution Approach 1:
The patent divides the misfit comparison into element-by-element analysis by creating separate misfit calculations for each data element rather than using a single average misfit value. This segmentation allows regional inaccuracies to be identified and addressed individually, improving measurement precision while maintaining manageable process complexity through systematic organization of misfit evaluations.
Solution Approach 2:
The patent applies local quality by evaluating misfit at specific locations and regions rather than uniformly across the entire model. By calculating and visualizing misfit for individual data elements and regions, the system identifies areas with poor fit and prioritizes updates in those specific locations, improving overall model accuracy without requiring complete redesign of the entire model.
2Measurement precision
If element-by-element misfit analysis is performed, then accuracy of simulated data can be improved, but computational complexity and time required increase
Solution Approach 1:
The patent performs preliminary actions by pre-calculating and storing misfit values for each data element before the main model update process. By preparing misfit analysis components in advance and organizing them systematically, the system reduces computational time during actual model updates while maintaining element-by-element accuracy analysis capability.
Solution Approach 2:
The patent implements feedback mechanisms where misfit analysis results are used to guide subsequent model updates. By continuously evaluating misfit at the element level and using this feedback to adjust the model iteratively, the system achieves high accuracy efficiently, as each iteration builds upon previous findings rather than requiring complete reanalysis.
3Difficulty of detecting and measuring
If visual representation of misfit is provided using color variations, then identification of inaccuracies is improved, but device complexity increases
Solution Approach 1:
The patent applies color changes by using color variations to represent different misfit levels in the visualization. By mapping misfit values to color intensities or hues, the system enables rapid visual identification of inaccurate regions without complex numerical analysis, improving detection difficulty while keeping the visualization interface relatively simple and intuitive.
Data Source
AI summary
There is provided a system and method for creating a physical property model representative of a physical property of a region. An exemplary method comprises transforming information from a model domain that represents the physical property model into simulated data in a data domain, the data domain comprising simulated data and measured data representative of a plurality of observations of the region. The exemplary method also comprises determining an areal misfit between the simulated data and the measured data representative of the plurality of observations of the region. The exemplary method additionally comprises performing an evaluation of the areal misfit based on known criteria. The exemplary method comprises adjusting data in the data domain or information in the model domain corresponding to a region in the model domain based on the evaluation of the areal misfit.