Construction Parameters Optimization of CO Composite Fracturing for Horizontal Shale Wells
Journal of Energy Resources Technology, ISSN: 1528-8994, Vol: 146, Issue: 12
2024
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
To ensure the economic feasibility of shale oil and gas exploitation, large-scale hydraulic fracturing is essential for increasing recovery volumes by creating more efficient conductivity channels. However, China's continental shale reservoirs present complex geological conditions, making optimization through traditional hydraulic fracturing challenging. Thus, substituting CO for water in fracturing fluids to enhance shale reservoirs has garnered significant interest. An orthogonal experimental design was implemented to identify the optimal parameters for CO composite fracturing. Analysis of single-factor experiments led to the selection of four key variables: slickwater volume, slickwater displacement, preflush liquid CO volume, and proppant addition volume, resulting in 16 experimental configurations. Using numerical simulation of tight oil shale reservoirs, the effective stimulated reservoir volume for each parameter combination was calculated. Variance analysis revealed that increased slickwater volume significantly enhances fracture initiation and propagation. While variations in slickwater displacement and preflush liquid CO volume influence fracture network morphology and complexity, they have a lesser effect on the stimulated volume compared to slickwater volume. Proppant quantity primarily affects fracture conductivity with minimal impact on stimulated volume. This research underpins the optimization of constructional parameters for CO composite fracturing.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85200552901&origin=inward; http://dx.doi.org/10.1115/1.4066016; https://asmedigitalcollection.asme.org/energyresources/article/146/12/122901/1201637/Construction-Parameters-Optimization-of-CO2; https://dx.doi.org/10.1115/1.4066016; https://asmedigitalcollection.asme.org/energyresources/article-abstract/146/12/122901/1201637/Construction-Parameters-Optimization-of-CO2?redirectedFrom=fulltext
ASME International
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