Enhanced carbon utilization and storage: An application of nonionic-based binary surfactant CO<sub>2</sub> foam.

Heliyon · 2025 · PMC11872424 · PMID 40028539

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a decreasing trendno p-value reported

an increasing trendno p-value reported

While the gas injection shows a decreasing trend, the foam injections show an increasing trend which confirms that the gas was being produced together with the oil during the CO 2 injection.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.