Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography

Overview

This protocol outlines a method to characterize the wettability of hydrocarbon reservoir rocks using X-ray microtomography under subsurface conditions. It aims to enhance understanding of multiphase flow in porous media, with implications for oil recovery and environmental applications.

Key Study Components

Area of Science

• Neuroscience
• Geoscience
• Environmental Science

Background

• Understanding wettability is crucial for oil recovery and contaminant management.
• X-ray microtomography allows for detailed imaging of porous materials.
• This study focuses on in situ conditions to better mimic natural environments.
• Characterizing pore structures aids in predicting fluid behavior in reservoirs.

Purpose of Study

• To develop a protocol for assessing the wettability of reservoir rocks.
• To investigate the impact of subsurface conditions on multiphase flow.
• To provide a detailed methodology for researchers in the field.

Methods Used

• Sample preparation from core samples, including porosity assessment.
• Assembly of a core holder for X-ray microtomography.
• Application of confining pressure and temperature to simulate subsurface conditions.
• Use of segmented X-ray images to analyze wettability and contact angles.

Main Results

• Successful imaging of reservoir rock samples under controlled conditions.
• Quantitative data on wettability and contact angle distributions obtained.
• Insights into fluid displacement processes in porous media.
• Methodology validated for future studies in oil recovery and environmental applications.

Conclusions

• The protocol provides a reliable approach to study wettability in reservoir rocks.
• Findings contribute to better understanding of fluid dynamics in subsurface environments.
• This method can be applied to various fields, including oil recovery and environmental remediation.

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