Real-time Reservoir Fluid Analysis System
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Solution Overview
Problem
Current methods for analyzing reservoir fluids are labor-intensive, time-consuming, and inefficient, often resulting in inaccurate and delayed measurements due to the need for manual sampling and laboratory analysis, which can lead to contamination and loss of samples, especially in high-pressure and high-gas-volume-fraction conditions.
Innovation Solution
A system for real-time analysis of fluid streams from flow lines, comprising a fluid analysis module with sensors for measuring properties, a processor for data processing, and communication means for transmitting results, which allows for continuous monitoring and reduces contamination risks by analyzing fluids directly in the flow line, including a separation module for multiphase fluids and a pretreatment module for removing contaminants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual sampling and laboratory analysis are used, then detailed fluid composition analysis can be obtained, but the analysis time is extended to hours or days and samples may be contaminated or lost
Solution Approach 1:
The patent extracts the analysis function from the laboratory setting and places it directly at the wellsite through portable field-deployable instruments. This allows detailed compositional analysis to be performed on-site without transporting samples to remote laboratories, reducing analysis time from hours/days to minutes while maintaining measurement precision through dedicated field instruments designed for reservoir fluid analysis
Solution Approach 2:
The patent implements continuous real-time monitoring that performs preliminary analysis continuously as fluids flow through the well, rather than waiting for discrete sample collection and subsequent laboratory analysis. This continuous monitoring approach provides ongoing compositional data immediately, eliminating the time delay between sample collection and analysis results
2Measurement precision
If samples are collected and transported to laboratories, then detailed analysis can be performed, but the process becomes labor-intensive and time-consuming
Solution Approach 1:
The patent implements automated field-deployable instruments that perform fluid analysis autonomously at the wellsite without requiring manual sample collection, transportation, or laboratory processing. The system self-monitors fluid composition continuously and provides real-time results, eliminating labor-intensive manual operations while maintaining detailed analytical capabilities through integrated sensors and processors
Solution Approach 2:
The patent replaces the mechanical process of manual sampling, physical sample transportation, and laboratory-based mechanical analysis with electronic field instruments that directly measure fluid composition in-situ. This substitution of mechanical processes with electronic sensing and digital processing dramatically improves productivity by eliminating manual labor and transportation steps while maintaining measurement precision
3Quantity of substance
If spot samples are taken every 1-5 hours, then some fluid composition changes can be captured, but the frequency is insufficient to detect true trends due to slugging and well bore effects
Solution Approach 1:
The patent implements continuous real-time monitoring that continuously measures fluid composition as it flows through the well, providing uninterrupted data streams rather than discrete spot samples at intervals of 1-5 hours. This continuous measurement approach captures true fluid composition trends by eliminating gaps between measurements, allowing accurate detection of changes despite slugging and well bore effects that create erratic readings in intermittent sampling
Data Source
AI summary
A system, method, and fluid analysis module are provided for the real-time analysis of multiphase fluids. The system generally comprises a sampling system for directing a fluid stream from a flow line to a fluid analysis module, a processor and communicator. The fluid analysis module comprises a sensor for measurement of at least one property of the fluid. The processor processes the measurement data from the sensor, and the communicator communicates the processed data to a central acquisition unit or computer.