Chan Diagnostic Plot in Waterflooding

The Chan Diagnostic Plot is a graphical tool used in reservoir engineering to evaluate and diagnose waterflooding performance. It helps in assessing the effectiveness of water injection strategies and identifying potential issues with waterflooding operations.

1. Overview of Chan Diagnostic Plot

The Chan Diagnostic Plot is designed to visualize the relationship between various parameters involved in waterflooding, particularly focusing on the sweep efficiency and the distribution of injected water. The plot can provide insights into how effectively the water is displacing oil and help identify areas that may require adjustments in the waterflooding process.

• Purpose: To diagnose the performance of waterflooding operations and identify areas for improvement.
• Applications: Used in performance evaluation, optimization of water injection strategies, and reservoir management.

2. Key Parameters in Chan Diagnostic Plot

2.1 Cumulative Water Injected

• Description: The total volume of water injected into the reservoir over time.
• Measurement: Obtained from injection records and metering systems.

2.2 Cumulative Oil Produced

• Description: The total volume of oil produced from the reservoir over time.
• Measurement: Collected from production records and measurement systems.

2.3 Water Cut

• Description: The proportion of water in the produced fluids, calculated as:

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