Experimental Study on the Mechanism of Enhanced Imbibition with Different Types of Surfactants in Low-Permeability Glutenite Reservoirs
Hongyan Qu, Jilong Shi, Mengyao Wu, Fujian Zhou, Jun Zhang, Yan Peng, Tianxi Yu, Zhejun Pan, Shaojun Yuan · 2024
Read Experimental Study on the Mechanism of Enhanced Imbibition with Different Types of Surfactants in Low-Permeability Glutenite Reservoirs by Hongyan Qu, Jilong Shi, Mengyao Wu, Fujian Zhou, Jun Zhang, Yan Peng, Tianxi Yu, Zhejun Pan, Shaojun Yuan (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11679662.txt.
Description
Hongyan Qu and co-authors test soap-like additives for squeezing oil from tight rock in a 2024 paper. Glutenite reservoirs hold oil in tiny pores, and ordinary flooding leaves most of it behind. Surfactants can help by loosening oil's grip on rock and lowering the tension at the oil-water boundary, a process called imbibition, but which type works best and why was unclear.
Using cores from a Chinese oil field, the team compared nonionic, anionic, and cationic surfactants plus nanofluids against plain produced water, under hot, pressurized conditions. They measured tension, wettability, and emulsification, then watched which pores gave up oil using mercury intrusion and magnetic resonance profiling. Micro- and mesopores supplied most of the recovered oil. The study names the controlling factors for each additive class, giving field engineers a mechanism-based shopping list rather than trial and error.
Catalog record
| CREATOR | Hongyan Qu, Jilong Shi, Mengyao Wu, Fujian Zhou, Jun Zhang, Yan Peng, Tianxi Yu, Zhejun Pan, Shaojun Yuan |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 50 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |