Imbibition mechanisms of high temperature resistant microemulsion system in ultra-low permeability and tight reservoirs

Xiao, Lixiao; Hou, Jirui; Wen, Yuchen; Qu, Ming; Wang, Weiju; Wu, Weipeng; Liang, Tuo

doi:10.1016/s1876-3804(23)60358-1

Cited by 26 publications

(17 citation statements)

References 23 publications

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“…Tight oil in China has a wide distribution range and many types, mainly distributed in Ordos, Songliao, and the Junggar Basin. − Among them, the tight sandstone of the Mesozoic Yanchang Formation in the Ordos Basin, and the tight sandstone and tight limestone of the Jurassic in central Sichuan are the most typical. It is comparable with Bakken and Yingtan tight reservoirs in Source rock, reservoir, formation pressure, crude oil quality, etc.…”

Section: Global Tight Oil Resources and Distributionmentioning

confidence: 99%

Review of the Development Status and Technology of Tight Oil: Advances and Outlook

Liu

2023

Energy Fuels

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Tight sandstone and shale oil reservoirs are one of the most promising and realistic important oil exploration fields in the 21st century. The research on the development technology of tight sandstone and shale oil reservoirs has important theoretical and practical significance for the exploration and development of tight sandstone and shale oil reservoirs in China. First, this article introduces the distribution of tight oil in the world and calculates the recoverable reserves of tight oil technology worldwide. The review also introduces the current status of tight oil exploration and development in major countries such as the United States, Canada, and China, including the distribution of tight oil resources, the main parameters of tight oil basins, and tight oil production. Second, it analyzes the current development status of tight oil in the United States, summarizes the four main factors that led to the success of tight oil exploration and development in the United States, and points out the impact of the successful development of tight oil in the United States on the global oil supply and demand relationship. Third, in the review of the main development technologies for tight oil, the current status, application, and progress of the main development technologies for tight oil are summarized and analyzed, including horizontal well drilling, fracturing and transformation technology, microscale seismic diagnosis, gas injection, and other technologies. Finally, the development examples of tight oil such as the Bakun shale in the United States are analyzed, and the application effects and experiences of horizontal well volume fracturing in regions such as the United States are summarized.

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Section: Global Tight Oil Resources and Distributionmentioning

confidence: 99%

Review of the Development Status and Technology of Tight Oil: Advances and Outlook

Liu

2023

Energy Fuels

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“…Furthermore, the nanostructured nanofluid developed by Xiao et al expanded the affected volume and improved oil flow characteristics. In the field trial of the YBD43-X506 well in the Shengli oil field, the processed liquid daily output increased from 1.4 tons to 5 tons, and crude oil production increased from 1.0 ton to 2.7 tons …”

Section: Field Applicationmentioning

confidence: 99%

“…In the field trial of the YBD43-X506 well in the Shengli oil field, the processed liquid daily output increased from 1.4 tons to 5 tons, and crude oil production increased from 1.0 ton to 2.7 tons. 145 To investigate the practical application of nanomaterials in unconventional oil reservoirs in more depth, we prepared a nanoemulsion with a core (undecylene compound) and shell (diphenyl ether-type gemini surfactant) structure. This was applied in a horizontal well fracturing energy storage recovery experiment in a shale oil reservoir in Xinjiang and in a vertical well postpressure throughput energy replenishment experiment in a tight oil reservoir in Jilin.…”

Section: Field Applicationmentioning

confidence: 99%

Nanomaterials in EOR: A Review and Future Perspectives in Unconventional Reservoirs

et al. 2023

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With escalating global energy demands and the depletion of conventional oil reserves, the exploitation of unconventional oil reservoirs necessitates advanced recovery materials. Nanomaterials, due to their substantial surface-to-volume ratio and elevated surface energy, emerge as potential solutions to the challenges of ultralow permeability and intricate pore structures in these reservoirs. Despite copious laboratory research on nanosolid particles, nanosurfactants, and nanoemulsions, field data regarding their use in unconventional reservoirs remains scarce, hindering the development of a selection mechanism for optimal nanomaterial utilization across different production stages. Consequently, an exhaustive investigation into the characteristics, mechanisms, and field trial data of nanomaterials is paramount for enhancing recovery rates and economic efficiency and guiding the broader application of these materials in unconventional reservoirs. Therefore, this work reviews the characteristics and pros and cons of various nanomaterials in application. It elucidates several mechanisms of nanomaterials in enhancing recovery rates, such as increasing the viscosity of the injection fluid, reducing interfacial tension, changing rock wettability, especially altering oil flow, promoting spontaneous imbibition and expanding sweep efficiency. Furthermore, the paper also integrates the field application cases of the independently developed nanoemulsion in unconventional oil areas of shale in Xinjiang and tight oil in Jilin, China, to emphasize and illustrate the importance of matching different nanomaterials according to different stage extraction characteristics. Finally, this work looks forward to future research, advocating for a deeper understanding of the behavior of nanomaterials in unconventional oil reservoirs through the combination of physical and numerical simulation experiments, to optimize their performance and applicability in a wider industrial environment.

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“…It enhances the oil displacement efficiency by adding chemical agents to the injected water to improve the physical and chemical properties of the displacement phase and its interface with crude oil and rock minerals. In particular, surfactants have great potential for use in the development of low-permeability reservoirs due to their excellent effect in reducing interfacial tension and wetting reversal ability . Understanding the wettability and flow resistance of surfactant-adsorbed mineral surfaces in microporous media is critical to EOR, particularly in the development of low-permeability reservoirs.…”

Section: Introductionmentioning

confidence: 99%

Mechanism of Low Chemical Agent Adsorption by High Pressure for Hydraulic Fracturing-Assisted Oil Displacement Technology: A Study of Molecular Dynamics Combined with Laboratory Experiments

Wang,

Xu,

Liu

et al. 2023

Langmuir

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Imbibition mechanisms of high temperature resistant microemulsion system in ultra-low permeability and tight reservoirs

Cited by 26 publications

References 23 publications

Review of the Development Status and Technology of Tight Oil: Advances and Outlook

Review of the Development Status and Technology of Tight Oil: Advances and Outlook

Nanomaterials in EOR: A Review and Future Perspectives in Unconventional Reservoirs

Mechanism of Low Chemical Agent Adsorption by High Pressure for Hydraulic Fracturing-Assisted Oil Displacement Technology: A Study of Molecular Dynamics Combined with Laboratory Experiments

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