Speaker
Description
The process of constructing digital cores typically presents a trade-off between the physical dimensions of the core sample and the scanning resolution. In unconventional reservoirs such as shale, pore distribution spans scales from the nanometre to the millimetre, even centimetre levels. Single scanning often fails to meet requirements. Coupling structures scanned at multiple resolutions to characterise pore features from a multi-scale perspective presents a formidable technical challenge. This study integrates CT scanning with SEM-Maps scanning to construct digital cores spanning nanometre to millimetre scales. Flow simulation using this multiscale digital core presents a further challenge. Results demonstrate that flow simulations based on this multiscale digital core, exemplified by phase-permeability curves, achieve excellent agreement with core test results. This significantly expands the application scope for digital core simulation technology.
| Country | China |
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