Stacked Model for Geological Architectural Elements
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Solution Overview
Problem
Current methods for determining architectural elements in geological models often result in inconsistent models due to unclear seismic data and challenges in adapting contours of closely related elements, leading to inaccurate reservoir size and configuration estimates.
Innovation Solution
A method for creating a stacked model by selecting architectural elements, determining merged and probabilistic zones, and associating probabilistic superposition values, which facilitates the construction of consistent geological models without complex computations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If stochastic methods are used to modify the contours of architectural elements, then the model can be adapted to seismic data variations, but the geological consistency and logic of the model deteriorates
Solution Approach 1:
The method pre-establishes a hierarchical classification of architectural elements and their geological relationships before modifying contours. By defining the stacking model and inclusion rules in advance, the system ensures that any stochastic modifications to contours will not violate geological logic, thus maintaining reliability while allowing adaptability.
Solution Approach 2:
The patent introduces a stacking model as an intermediary structure that mediates between seismic data variations and architectural element contours. This stacking model acts as a constraint framework that guides contour modifications while preserving geological consistency, resolving the contradiction between adaptability and reliability.
2Measurement precision
If seismic survey data is used to determine architectural elements, then reservoir size and configuration estimates can be obtained, but the determination becomes uncertain when data is blurred or elements are closely spaced
Solution Approach 1:
The method segments the determination process into hierarchical levels: first establishing the stacking model framework, then identifying architectural elements within that framework, and finally determining their contours. This segmentation allows each level to be determined with appropriate precision while compensating for information loss at other levels.
Solution Approach 2:
The patent transitions from two-dimensional contour determination to a three-dimensional stacking model approach. By adding the vertical dimension and hierarchical relationships, the system can resolve ambiguities in blurred seismic data that cannot be resolved in pure 2D space, thereby improving measurement precision despite information loss.
3Manufacturing precision
If contours of closely spaced architectural elements are adapted independently, then each element can be optimized, but the overall model coherence and geological logic deteriorates
Solution Approach 1:
The method merges the determination of multiple architectural elements into a unified stacking model framework. By combining elements into hierarchical stacks with defined relationships, the system ensures that individual element optimizations do not compromise overall model coherence, maintaining both precision and stability.
Data Source
AI summary
The present invention relates to a method for determining a stacked model describing architectural elements from a plurality of architectural element. The method comprises selecting an architectural element, determining merged zone, the merged zone being function of the zone of the selected architectural element and zones of related architectural elements, determining a probabilistic zone, the probabilistic zone being a function of the merged zone, and determining a probabilistic superposition value associated with the determined probabilistic zone, the probabilistic superposition value being a function of the superposition value of the selected architectural element. The previous steps are repeated for each architectural element in the plurality of architectural elements. The method further comprises stacking every determined probabilistic zone in a stacked model according to the determined probabilistic superposition value associated therewith, and providing the stacked model.