Decline Curve Allocation of Well-Level Hydrocarbon Production
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods struggle to accurately allocate hydrocarbon production values on a well-by-well basis within aggregated production reports, making it difficult to determine individual well contributions and leading to inaccuracies in production forecasting and resource management.
Innovation Solution
A computer-implemented method using a decline curve model, which considers geology and well-specific data to allocate hydrocarbon production values, allowing for precise allocation of production values to individual wells from aggregated reports.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If aggregated production values are reported for an area with multiple wells, then reporting simplicity is improved, but the ability to determine individual well production values deteriorates
Solution Approach 1:
The patent segments the aggregated area-level production data into individual well-level production values by applying a decline curve model to each well. The system divides the total area production among multiple wells based on their respective decline characteristics, time of entry into production, and operational status, thereby recovering the individual well data that was lost in aggregation.
2Device complexity
If simple allocation methods are used for aggregated production values, then computational complexity is reduced, but allocation accuracy deteriorates
Solution Approach 1:
The patent changes the parameters used for allocation from simple equal distribution to a sophisticated decline curve model that incorporates multiple variables including well-specific decline rates, time of entry into production, number of active wells, and production status. This parameter transformation enables accurate determination of individual well production values while maintaining computational feasibility through systematic mathematical relationships.
3Measurement precision
If decline curve modeling is applied to allocate production values, then well-by-well production accuracy is improved, but computational requirements increase
Solution Approach 1:
The patent performs preliminary actions by pre-establishing the decline curve model parameters and well characteristics before the actual allocation calculation. The system prepares the computational framework in advance, organizing well data, determining decline rates, and establishing the mathematical relationships needed for allocation, which streamlines the subsequent computation and reduces real-time computational requirements.
Data Source
AI summary
Techniques for allocating hydrocarbon production include receiving a selection of a particular area identification (ID) of a plurality of area IDs stored on the server; determining based on the selected particular area ID, a plurality of hydrocarbon production values that include periodic area-level hydrocarbon production values associated with the particular area ID and a plurality of wells associated with the particular area ID; determining a decline curve model for the area-level hydrocarbon production values associated with the particular area ID; modeling the aggregated periodic well-level hydrocarbon production values with the determined decline curve model; and determining allocated well-level hydrocarbon production values based at least in part on the selected decline curve model to display at a client device.