Swept Source Spectroscopy for Real-Time Crude Oil Valuation
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Solution Overview
Problem
Current methods for valuing crude oil slates are unreliable due to increased diversity in hydrocarbon fluid sources and supply dynamics, leading to uncertainties in refinery operations and pricing, as they rely solely on historical data and relative density metrics like API Gravity, which fail to provide accurate visibility into fractional distillation characteristics.
Innovation Solution
Deployment of spectroscopic devices, particularly swept source lasers operating in the near infrared spectrum, to analyze hydrocarbon fluids in real-time, offering detailed insights into fractional distillation characteristics, contaminant levels, and physical properties, enabling more accurate valuation and optimization of refining operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional lab tests and historical data are used to value crude oil slates, then valuation can be performed with existing methods, but measurement precision and reliability of valuation are insufficient due to increased diversity in hydrocarbon fluid sources
Solution Approach 1:
The patent replaces traditional mechanical/lab-based testing methods with optical spectroscopy technology. The swept source spectrometer uses light absorption spectroscopy to measure crude oil properties in real-time, substituting the mechanical distillation and lab analysis processes with an optical measurement system that provides continuous, real-time data without physical contact with the crude oil.
Solution Approach 2:
The patent introduces an intermediary optical measurement system (swept source spectrometer) that indirectly measures crude oil properties by analyzing light absorption spectra. This intermediary device captures spectral data that correlates with distillation characteristics, providing valuation information without requiring direct physical processing or lab testing of the crude oil samples.
2Ease of operation
If only relative density metrics like API Gravity are measured, then simple field measurements are possible, but visibility into fractional distillation characteristics is lost
Solution Approach 1:
The swept source spectrometer performs multiple measurement functions simultaneously. It measures both simple density-related properties (correlating with API Gravity) and complex distillation characteristics (initial boiling point, final boiling point, various percent recovery temperatures) using a single optical instrument, eliminating the need for separate measurement systems.
Solution Approach 2:
The patent transitions from one-dimensional single-point density measurements (API Gravity) to multi-dimensional spectral analysis. The spectrometer captures entire absorption spectra across multiple wavelengths, providing a rich data dimension that reveals distillation characteristics invisible to traditional single-parameter density measurements.
3Measurement precision
If real-time spectroscopic analysis is implemented, then accurate distillation characteristics are obtained, but device complexity increases
Solution Approach 1:
The patent extracts only the essential spectral information needed for distillation characterization from the full spectrum. The system identifies and measures specific absorption features corresponding to key distillation parameters (initial boiling point, final boiling point, percent recovery at various temperatures) without requiring analysis of the entire spectral range, simplifying data processing while maintaining measurement precision.
4Productivity
If historical knowledge and lab tests are used for crude slate assumptions, then valuation can proceed with available data, but productivity and responsiveness to market changes are reduced
Solution Approach 1:
The swept source spectrometer provides continuous real-time measurement of crude oil distillation characteristics as the oil flows through the pipeline. This continuous monitoring eliminates the intermittent, batch-based nature of traditional lab testing, enabling uninterrupted data collection and immediate valuation updates that respond instantly to changes in crude oil quality or composition.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Provides real-time, accurate assessment of crude oil quality and quantity, allowing for informed purchasing decisions and optimized refining operations, enhancing profitability by ensuring the production of desired petroleum products and minimizing penalties for deviations from quality benchmarks.
Implementation Method 1
swept source lasers operating in the near infrared spectrum, to analyze hydrocarbon fluids in real-time
Data Source
AI summary
A system of spectroscopic devices deployed amongst the fluid infrastructure of hydrocarbon fluids are described herein. The devices provide early visibility into the characteristics of those fluids which inform and educate downstream parties of the potential value of the fluid, or the opportunity to reblend or redirect the fluid to optimize the formulization. By allowing downstream parties to determine the quality and quantity of refined products at an early stage, they are better able to determine the true value of the fluid. The data from the distributed network of spectroscopic analyzers provides valuation information that can be used to make more informed purchasing decisions or allow processors to create blends that optimize the efficiency of refining operations.