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Journal articles on the topic 'Imbibition'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Yadav, Saroj R., and Manoj N. Mehta. "Analytical Approximate Expression for Cocurrent Imbibition during Immiscible Two-Phase Flow through Porous Media." Mathematical Problems in Engineering 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/638409.

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Cocurrent and countercurrent imbibitions are the crucial mechanism in many multiphase flow processes. In cocurrent imbibition wetting phase displaces nonwetting phase such that the nonwetting phase moves in the same direction to the wetting phase, whereas in countercurrent imbibitions wetting and non-wetting phase flow in opposite directions. However for cocurrent imbibitions, mathematical models need total flux condition as both phases flow in the same direction. Thus cocurrent imbibitions have been considered neglecting pressure gradient of nonwetting phase and only pressure gradient of disp

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2

Bochicchio, A., M. A. Coradeschi, P. Zienna, M. Bertolini, and C. Vazzana. "Imbibitional injury in maize seed independent of chilling temperature." Seed Science Research 1, no. 2 (1991): 85–90. http://dx.doi.org/10.1017/s0960258500000702.

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AbstractLow and high moisture kernels and embryos were imbibed by soaking in distilled water at 5°C and 25°C. Leaching of seeds and embryos was measured by ion conductivity of imbibition water after fixed time intervals. Imbibed kernels were placed on moist filter paper after 1 h imbibition and embryos on a solid culture medium after 15 min imbibition and germinated at 25°C. Primary root length was measured 3 days after germination.The leakage from seeds or embryos was correlated with the velocity of water uptake but did not show its highest values when low moisture seeds or embryos were imbib

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3

Fang, Sidong, Jing Sun, DeHua Liu, Zhiyuan Yao, and Bin Nie. "Experimental Study on Spontaneous Imbibition Characteristics of Fracturing Fluid at Cores from Different Layers in Fuling Shale Gas Reservoir." Geofluids 2021 (September 14, 2021): 1–12. http://dx.doi.org/10.1155/2021/1157626.

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With low porosity and low permeability, shale reservoirs cannot be mined economically without large-scale hydraulic fracturing operation. However, abundant fracturing fluid will enter the reservoirs during the process of fracture. Nevertheless, there have not been specific research findings on the imbibition law of Fuling shale gas reservoir in China. In this study, an imbibition experiment was carried out on the shale core of Jiaoshiba block of Fuling shale gas reservoir to learn spontaneous imbibition characteristic of Fuling shale gas reservoir. Based on the experimental results, the imbibi

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4

LI, CAOXIONG, YINGHAO Shen, HONGKUI GE, SHUAI SU, and ZHIHUI YANG. "ANALYSIS OF SPONTANEOUS IMBIBITION IN FRACTAL TREE-LIKE NETWORK SYSTEM." Fractals 24, no. 03 (2016): 1650035. http://dx.doi.org/10.1142/s0218348x16500353.

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Spontaneous imbibition in porous media is common in nature, imbibition potential is very important for understanding the imbibition ability, or the ability to keep high imbibition rate for a long time. Structure parameters have influence on imbibition potential. This work investigates the process of spontaneous imbibition of liquid into a fractal tree-like network, taking fractal structure parameters into consideration. The analytical expression for dimensionless imbibition rate with this fractal tree-like network is derived. The influence of structure parameters on imbibition potential is dis

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5

Zhou, Changlin, Li Li, Rong Zeng, Weihua Chen, and Yuxuan Liu. "Spontaneous imbibition in igneous rocks: effect of KCl concentration, confining pressure, and imbibition direction." Journal of Petroleum Exploration and Production Technology 10, no. 8 (2020): 3227–34. http://dx.doi.org/10.1007/s13202-020-00997-z.

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Abstract Understanding spontaneous imbibition helps to determine the fracturing fluid volume and optimize the flowback design. At present, many studies have mainly focused on shale, but few on igneous rocks. As such, in this study, imbibition experiments were conducted on igneous rocks. The effects of KCl concentration, confining pressure, and imbibition direction on the spontaneous imbibition were systematically investigated. This study then introduces a new imbibition capacity index. The results show that KCl concentration has certain inhibitory effects on igneous rock imbibition, which redu

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6

Liu, Xiong, Xin Fan, Jian Yin, and Yang Zhang. "Imbibition Characteristic of Fractured Tight Sandstone Reservoir." Processes 10, no. 11 (2022): 2189. http://dx.doi.org/10.3390/pr10112189.

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“Fracture network stimulation + imbibition replacement” is a new attempt to effectively develop tight sandstone reservoirs, and the fractures provide conditions for fluid imbibition replacement. On the basis of nuclear magnetic resonance and pseudo-color processing technology, combined with the imbibition experiments, this paper studies the imbibition process of fractured tight sandstone reservoirs, clarifies the effect of each level of pore-throat on imbibition, and realizes the visualization of the imbibition process. The results show that, in fractured tight sandstone reservoirs, the fluid

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7

Spaeth, Stephen C. "Imbibitional Stress and Transverse Cracking of Bean, Pea, and Chickpea Cotyledons." HortScience 21, no. 1 (1986): 110–11. http://dx.doi.org/10.21273/hortsci.21.1.110.

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Abstract Transverse cracking was examined in cotyledon tissue of snap bean (Phaseolus vulgaris L. ‘Apollo’), pea (Pisum sativum L. ‘Garfield 81’), and chickpea (Cicer arietinum L. ‘Surutato 77’). The hypothesis that imbibitional cracks develop along lines of least resistance or along preexisting cracks was evaluated. Columns of tissue were cut from cotyledons. Time from the start of imbibition to detection of the first crack was compared between whole bean cotyledons and columns. Bean columns cracked transversely with respect to the long axes of the columns. They did not crack longitudinally,

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8

Li, Guanlin, Yuhu Bai, Maojun Fang, and Yuetian Liu. "Effect of Microfractures on Counter-Current Imbibition in Matrix Blocks: A Numerical Study and Modified Shape Factor." Processes 13, no. 4 (2025): 983. https://doi.org/10.3390/pr13040983.

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Spontaneous counter-current imbibition is a crucial recovery mechanism in water-wet fractured reservoirs, especially in unconventional formations like tight and shale reservoirs. The geometric characteristics of microscale fractures require further clarification regarding their impact on imbibition. In this paper, the numerical simulation method is used to study the influence of fracture aperture, length, density, and relative position between fracture and imbibition open face on the counter-current imbibition process of a matrix block. For fractures perpendicular to the imbibition surface and

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9

Zhang, Leilei, Huiming An, Qing Guo, et al. "Improvement and effectiveness analysis of dynamic/static imbibition experiments." PLOS ONE 19, no. 10 (2024): e0310257. http://dx.doi.org/10.1371/journal.pone.0310257.

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In low-permeability fractured reservoirs, there is a generalized fluid displacement between the replacement fluid in the fracture and the matrix crude oil. This imbibition behavior plays a crucial role in the development of this type of reservoir. The experimental devices for studying static imbibition behavior are generally susceptible to air pollution on the surface of the test core and a long testing period; the experimental devices for studying dynamic imbibition behavior are generally unable to eliminate the driving action. A dual-purpose experimental setup and an experimental method for

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10

Ren, Xiaoxia, Aifen Li, Piyang Liu, and Bingqing He. "Experiments and Modeling on the Influence of Interfacial Tension on Imbibition Height of Low-Permeability Reservoir." Geofluids 2020 (August 25, 2020): 1–10. http://dx.doi.org/10.1155/2020/8837897.

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Low-permeability reservoirs have tiny pores with winding and complicated pore throats. The oil recovery efficiency of low-permeability reservoirs can be enhanced through the displacement of reservoir oil through imbibition. In the present study, experiments were conducted to investigate variations in the imbibition height of hydrophilic and weakly-hydrophilic rock samples under different interfacial tensions. An imbibition model considering imbibition resistance and bending of pore throats was established based on fractal theory. According to the experimental results, variations in the imbibit

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11

Zhang, Zhenjie, Tianyi Zhao, and Qingbang Meng. "A Novel Model of Counter-Current Imbibition in Interacting Capillaries with Different Size Distribution." Energies 15, no. 17 (2022): 6309. http://dx.doi.org/10.3390/en15176309.

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The imbibition phenomenon widely exists in nature and industrial applications. It is of great significance to study the mechanism of imbibition and the influence laws of related factors. In this paper, based on the assumption of interacting capillaries, a capillary bundle model of counter-current imbibition is established. In addition, the characteristics of imbibition and the influences of capillary size and fluid viscosity are analyzed. The results show that water is imbibed into the smaller capillaries and expelled from the larger capillaries. The rate of the meniscus in water-imbibition ca

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12

Zhao, Zhihong, Yanyan He, Jianchun Guo, Xiaoqiang Zheng, Liang Tao, and Xianan Deng. "Experimental Study on the Forcible Imbibition Law of Water in Shale Gas Reservoirs." Processes 11, no. 4 (2023): 1057. http://dx.doi.org/10.3390/pr11041057.

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Water imbibition is a key factor affecting the flowback regime of shale gas wells after volume fracturing. In this study, a set of experimental apparatus and corresponding test and evaluation methods were developed to analyze the laws of forcible imbibition of water in a shale reservoir, characterize the initiation time of microfractures induced by shale hydration quantitatively, and optimize the shut-in time of shale gas wells; the imbibition depths of different pore types are quantitatively calculated based on the multiple pore imbibition analytical model. The experimental results show that:

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13

Yang, Liu, Chuanqing Zhang, Jianchao Cai, and Hongfeng Lu. "Experimental Investigation of Spontaneous Imbibition of Water into Hydrate Sediments Using Nuclear Magnetic Resonance Method." Energies 13, no. 2 (2020): 445. http://dx.doi.org/10.3390/en13020445.

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Field observations show that less than one percent of dissociation water can be produced during gas hydrate production, resulting from spontaneous water imbibition into matrix pores. What’s more, the hydrate sediments are easily dispersed in water, and it is difficult to carry out spontaneous imbibition experiments. At present, there is little research work on the imbibition capacity of hydrate sediments. In this paper, a new method of water imbibition is proposed for hydrate sediments, and nuclear magnetic resonance (NMR) technique is used to monitor water migration. The results show that as

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14

Yang, Kun, Shenglai Yang, Xinyue Liu, Shuai Zhao, and Jilun Kang. "Study on the Imbibition Law of Laminated Shale Oil Reservoir During Injection and Shut-In Period Based on Phase Field Method." Processes 13, no. 2 (2025): 481. https://doi.org/10.3390/pr13020481.

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Laminated shale oil reservoirs feature well-developed microcracks, with significant differences in wettability on either side of these fractures. The complex pore structure of laminated shale oil reservoirs makes capillary imbibition prevalent during both water injection and well shut-in periods. Therefore, based on the phase field method, this study investigates the imbibition behavior and the influencing factors during the injection and shut-in stage. This research shows that the imbibition mode determines the recovery rate: co-current imbibition > co-current imbibition + counter-current

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15

Wang, Zhiyuan, Zhengming Yang, Yunhong Ding, Wei Lin, Ying He, and Xiaolang Duan. "A Generalized Capillary Imbibition Model for Porous Media in Tight Reservoirs." Advances in Civil Engineering 2018 (October 8, 2018): 1–8. http://dx.doi.org/10.1155/2018/4148734.

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Capillary imbibition models have been widely studied in oil and gas development field over the past decades. However, the existing models applied to the tight reservoirs rarely take fluid flow resistance and apparent viscosity into account. To investigate the capillary imbibition characteristics of fluids in tight porous media, a generalized capillary imbibition model considering the flow resistance and apparent viscosity of fluids in tight porous media is derived. By comparing with the results of other capillary imbibition models and experimental data, the derived capillary imbibition model i

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16

Dou, Liangbin, Min Yang, Hui Gao, Dongxing Jiang, and Chenglu Liu. "Characterization of the Dynamic Imbibition Displacement Mechanism in Tight Sandstone Reservoirs Using the NMR Technique." Geofluids 2020 (December 16, 2020): 1–12. http://dx.doi.org/10.1155/2020/8880545.

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An experimental technique is developed to investigate the dynamic imbibition displacement mechanism in tight sandstone formations of the Yanchang group of the Ordos basin. By combining the dynamic imbibition core flooding experiments and NMR technique, the effects of the injection volume and rate on displacement efficiency are investigated. Moreover, the displacement efficiency of dynamic imbibition is compared with that of static imbibition. This study gains insights into the micromechanisms of dynamic imbibition in tight sandstone formations. It is found that the relative displacement effici

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17

Zhu, Xiu-Lan, Teng Li, Xiang Peng, Zhen Yang, Qi-Xuan Wang, and Qing-Jiu Zhang. "Study on Variability Production Characteristics of Fracturing Fluid Imbibition Displacement for Typical Shale." Journal of Physics: Conference Series 2834, no. 1 (2024): 012103. http://dx.doi.org/10.1088/1742-6596/2834/1/012103.

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Abstract CO2 injection is a prominent measurement to enhance the recovery of shale reservoirs. The imbibition of fracturing fluid + CO2 additive is considered important for promoting the enhancement and stabilization of shale oil production to ensure energy supply. The imbibition experiments of fracturing fluid + CO2 additive were carried out in shale reservoirs with a nuclear magnetic resonance (NMR) test. The imbibition displacement characteristics at different pore scales of shale were quantitatively evaluated. The variability of the imbibition effects in shale reservoirs was clarified in t

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18

Bhatia, Ramesh C. "Imbibition and germination in the seeds of Heliotropium supinum L." Acta Societatis Botanicorum Poloniae 52, no. 1 (2014): 45–51. http://dx.doi.org/10.5586/asbp.1983.005.

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Imbibition in the seeds of <em>Heliotropium supinum</em> L. varies under different temperatures. The optimum temperatures for imbibition and germination are also different. For germination 39% imbibition is essential, and this capability is achieved by 12-week-old seeds. With duration of dry storage imbibition increases. The imbibition and germination percentages decline on re-dry storage of seeds after embeding in mud. A soil moisture of 44% is optimal for germination. A correlation exists between imbibition and germination.

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19

Yue, Ming, Bingbing Li, Qiang Chen, Jidong Gao, Weiyao Zhu, and Zhiyong Song. "Experimental Investigation on the Effect of Pore Size on Spontaneous Imbibition Recovery in Oil-Wet Reservoirs." Geofluids 2022 (January 19, 2022): 1–8. http://dx.doi.org/10.1155/2022/4319832.

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Spontaneous imbibition has been considered as a significant method to enhanced oil recovery (EOR) in unconventional reservoirs. The main impediment to comprehending the variation characteristics of spontaneous imbibition at different pore scales was the reservoir’s opacity. To this end, a series of spontaneous imbibition experiments of visualized oil-wet microtubes with six different diameters (10 μm~60 μm) were performed, as were the corresponding macroscopic core imbibition tests with six different permeabilities under the same conditions. The results showed that formation brine mostly advan

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20

Jitsuyama, Yutaka, Yuma Hagihara, and Yutaro Konno. "Two imbibition properties independently influence the cultivar-specific flooding tolerance of dried soybean seeds." Seed Science Research 24, no. 1 (2014): 37–48. http://dx.doi.org/10.1017/s0960258513000378.

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AbstractSoybean seeds are prone to flooding injury just after planting if they are exposed to excess moisture. We investigated the flooding tolerance of soybean seeds to clarify the relationship between flooding injury and imbibition, to identify factors that could provide fundamental information for the breeding of flooding-tolerant cultivars. Seven cultivars were used for this study. The seeds were geminated in a paper towel after a flooding treatment and then evaluated for survival. The imbibition of submerged seeds (passive imbibition) was evaluated as the seed fresh weight change during t

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21

Aristoff, Jeffrey M., Camille Duprat, and Howard A. Stone. "Elastocapillary imbibition." International Journal of Non-Linear Mechanics 46, no. 4 (2011): 648–56. http://dx.doi.org/10.1016/j.ijnonlinmec.2010.09.001.

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22

Liu, Junrong, and James J. Sheng. "Investigation of Countercurrent Imbibition in Oil-Wet Tight Cores Using NMR Technology." SPE Journal 25, no. 05 (2020): 2601–14. http://dx.doi.org/10.2118/201099-pa.

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Summary Countercurrent spontaneous imbibition is one of the most significant mechanisms for the mass transfer between fractures and matrixes in tight reservoirs. Adding surfactants and pressurization are two common methods to enhance the imbibition. In this study, we used the low-field nuclear magnetic resonance (NMR) instrument to monitor the dynamic imbibition processes with surfactants added and fluid pressure applied. The T2 relaxation distribution and corresponding water saturation profiles during the imbibition process were obtained by analyzing NMR responses. We found that sodium alpha-

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23

Liu, Jian, Xuefeng Qu, Jiwei Wang, et al. "Investigating the Influencing Factors of Imbibition of Fracturing Fluids in Tight Reservoirs." Processes 12, no. 1 (2024): 236. http://dx.doi.org/10.3390/pr12010236.

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Tight reservoirs are the focus of unconventional oil and gas resource development, but most tight reservoirs exhibit complex pore structures, strong non-homogeneity, and limited water drive development. Fracturing fluid imbibition is a critically important way to improve the recovery of tight reservoirs. In this paper, an NMR experimental device was used to conduct imbibition experiments in tight reservoirs, and the relationship between temperature, pressure, matrix permeability, and imbibition recovery was investigated. Based on the fracturing fluid imbibition recovery curve, the imbibition p

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24

Liu, Li, Yi-Min Wang, Ai-Wei Zheng, et al. "Experimental Investigation of Factors Influencing Spontaneous Imbibition in Shale Reservoirs." Processes 13, no. 2 (2025): 503. https://doi.org/10.3390/pr13020503.

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The flowback rate of fracturing fluid in shale reservoirs is often notably low, primarily due to the spontaneous imbibition of the water-based fracturing fluid. Despite their significance, the factors influencing spontaneous imbibition in shale reservoirs remain insufficiently understood. Moreover, whether spontaneous imbibition is ultimately beneficial or detrimental to shale reservoirs is still a subject of debate. This study investigates the spontaneous imbibition process in shale, the factors (the bedding, contact area, porosity, initial water saturation, and fluid type) affecting it, and

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25

Neya, Oblé, Elena A. Golovina, Jaap Nijsse, and Folkert A. Hoekstra. "Ageing increases the sensitivity of neem (Azadirachta indica) seeds to imbibitional stress." Seed Science Research 14, no. 2 (2004): 205–17. http://dx.doi.org/10.1079/ssr2004170.

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Imbibitional stress was imposed on neem (Azadirachta indica) seeds by letting them soak for 1 h in water at unfavourable, low temperatures before further incubation at 30°C. Sensitivity to low imbibition temperatures increased with a decrease in seed moisture content (MC). To investigate a possible involvement of seed age in the extent of imbibitional damage, initially high-quality seed lots that differed in storage history (10 weeks versus 10 months) were examined at 4 and 7% MC (fresh weight basis). After 10 months of storage, the 7% MC seeds had become sensitive to imbibitional stress. Furt

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26

Meng, Qingbang, Jianchao Cai, and Jing Wang. "Scaling of Countercurrent Imbibition in 2D Matrix Blocks With Different Boundary Conditions." SPE Journal 24, no. 03 (2019): 1179–91. http://dx.doi.org/10.2118/194207-pa.

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Summary Scaling of imbibition data is of essential importance in predicting oil recovery from fractured reservoirs. In this work, oil recovery by countercurrent spontaneous imbibition from 2D matrix blocks with different boundary conditions was studied using numerical calculations. The numerical results show that the shape of imbibition-recovery curves changes with different boundary conditions. Therefore, the imbibition curves could not be closely correlated with a constant parameter. A modified characteristic length was proposed by a combination of Ma et al. (1997) and theoretical characteri

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27

Wang, Xiaoxiang, Yang Zhang, Xin Fan, and Desheng Zhou. "Study on the Law and Influencing Factors of Spontaneous Imbibition in Chang 7 Reservoir of Ordos Basin." Journal of Physics: Conference Series 2834, no. 1 (2024): 012043. http://dx.doi.org/10.1088/1742-6596/2834/1/012043.

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Abstract This paper examines the imbibition and oil displacement process of fracturing fluid in a laboratory setting, focusing on the Chang 7 tight oil reservoir block in Ordos Basin. The study investigates the capability of different imbibition fluid systems to alter wettability and reduce interfacial tension. Additionally, it explores the imbibition and oil displacement abilities of cores with varying levels of wettability and permeability focusing on the imbibition equilibrium time, imbibition recovery rate, and the imbibition recovery multiplier. The reasons for these results were also exa

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28

Feng, Xuegang, Xiang’an Yue, Weiqing An, and Jirui Zou. "Experimental Study of Influence of Core Wettability on Imbibition Properties." Energies 15, no. 11 (2022): 3984. http://dx.doi.org/10.3390/en15113984.

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Through new core wettability simulation technology and the single-sided unidirectional imbibition experimental method, the influence of core wettability on oil imbibition characteristics was studied by using artificial cores with wettability index in the range of −0.9~0.95. Results show that for the cores with permeability from ultra-low to medium–high, the imbibition time shows a monotonically decreasing law with the increase in the wettability index. In the weak water-wet range, the imbibition time increases significantly with the weakening of water-wet. Oil imbibition rate goes up with the

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29

Song, Yutong. "Evaluation of Post-fracturing Imbibition Oil Displacement Efficiency in Shale Reservoirs." International Journal of Electric Power and Energy Studies 2, no. 3 (2024): 79–83. http://dx.doi.org/10.62051/ijepes.v2n3.12.

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In order to clarify the imbibition law of shale oil after fracturing with guanidine gum and nano-slickwater, this study quantitatively analyzed the imbibition efficiency of shale core under different time periods of two kinds of fracturing fluids through the imbibition experiment of natural shale core and nuclear magnetic resonance test technology, and preliminarily understood the microscopic crude oil production characteristics of pore throat of shale imbibition. The experimental results show that the imbibition oil removal efficiency of nano-slick water reaches 34.7 %, which is higher than t

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30

Li, Caoxiong, Chenggang Xian, Jun Wang, Dandan Geng, and Yinghao Shen. "The Spontaneous Imbibition of Micro/Nano Structures in Tight Matrix and the Influence on Imbibition Potential." Micromachines 11, no. 9 (2020): 794. http://dx.doi.org/10.3390/mi11090794.

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Tight matrix has relatively low permeability and porosity, with abundant micro/nano pores. The capillary force in these pores are relatively strong, making the wetting liquid easier to be imbibed in the matrix. This process is called spontaneous imbibition. The complexity of pore structure is identified as one of the key factors influencing the imbibition process, but the detailed mechanism is not clear. Thus, in this work, a method is proposed to evaluate the influence of pore structure on imbibition process. Pore structure has fractal properties in a specific scale. By using the fractal theo

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31

LI, CAOXIONG, YINGHAO SHEN, HONGKUI GE, et al. "ANALYSIS OF CAPILLARY RISE IN ASYMMETRIC BRANCH-LIKE CAPILLARY." Fractals 24, no. 02 (2016): 1650024. http://dx.doi.org/10.1142/s0218348x16500249.

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Transport in porous media is common in nature, attracting many attentions for a long time. Tree-like network model is often used as a simplification for porous space, expressing the complexity of pore spaces instead of capillary bundle. To investigate spontaneous imbibition characteristics in this network, a dynamic asymmetric branch-like capillary model is used to represent basic network structure, using fractal method to represent tortuosity. This work investigates the influence of parameters on imbibition process in the branch-like capillary model. An analytical equation for the imbibition

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32

Zhou, Zhou, Xiaopeng Li, and Tadesse Weldu Teklu. "A Critical Review of Osmosis-Associated Imbibition in Unconventional Formations." Energies 14, no. 4 (2021): 835. http://dx.doi.org/10.3390/en14040835.

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In petroleum engineering, imbibition is one of the most important elements for the hydraulic fracturing and water flooding processes, when extraneous fluids are introduced to the reservoir. However, in unconventional shale formations, osmosis has been often overlooked, but it can influence the imbibition process between the working fluid and the contacting formation rocks. The main objective of this study is to understand effects of fluid–rock interactions for osmosis-associated imbibition in unconventional formations. This paper summarizes previous studies on imbibition in unconventional form

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33

Yue, Jiwei, Zhaofeng Wang, and Jinsheng Chen. "Dynamic response characteristics of water and methane during isobaric imbibition process in remolded coal containing methane." Energy Exploration & Exploitation 37, no. 1 (2018): 83–101. http://dx.doi.org/10.1177/0144598718798083.

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Addition of water to the coal is actually an isobaric imbibition process. To study the dynamic response characteristics of water and methane, the isobaric imbibition process was stimulated by a self-designed experimental device which can eliminate the reabsorbing phenomenon. The results indicate that adding water can displace absorbed gas. The displacement mechanism is attributed to the capillary effect and competitive adsorption during isobaric imbibition process. A competitive adsorption phenomenon exists between gas molecules and water molecules. Since oxygen-containing functional groups in

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34

Lu, Li, Jianting Li, Xuhui Zhang, Yingjun Li, and Fujian Ma. "Effects of Clay Minerals and External Pressures on Imbibition in Shales." Energies 14, no. 22 (2021): 7528. http://dx.doi.org/10.3390/en14227528.

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Imbibition is an important mechanism of recovery during waterflooding and low flow-back during fracking in shale reservoirs. Experiments were carried out to study the development of imbibition in shale samples. The effects of clay minerals, especially the illite and IS, were mainly investigated and discussed. The imbibition under different pressures was conducted and compared. The influence of clay minerals on imbibition in shale is significant and complex. It is shown that the low content of illite and IS and small capillary force lead to small imbibition mass and speed. Formation of new micr

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35

Li, Dong, Yi Yang, Zekun Yue, et al. "Low-Field NMR Investigation of Imbibition in Coalbed Methane Reservoirs: Implications of Gas–Water Coexistence." Processes 13, no. 1 (2025): 178. https://doi.org/10.3390/pr13010178.

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Investigating the imbibition characteristics of coals can yield profound insights for advancing coalbed methane extraction and utilization strategies. However, there has been little exploration of the micro-pore imbibition phenomenon during the two-phase flow of gas and water, as research has focused more on the process of static imbibition. In this study, we used an independently developed low-field nuclear magnetic resonance (NMR) displacement experimental device to conduct a systematic study on the dynamic imbibition phenomenon of low-permeability coals under conditions in which gas and wat

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36

Hu, Yafei, Fei Ren, Junshi Li, Zhiying Wu, Huanhuan Peng, and Jianfeng Hou. "Effect of Dynamic Imbibition on the Development of Ultralow Permeability Reservoir." Geofluids 2021 (April 27, 2021): 1–12. http://dx.doi.org/10.1155/2021/5544484.

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To explore the methodology for improving ultralow permeability reservoir recovery, cores of ultralow permeability reservoirs in China’s Ordos Basin were selected to study the dynamic imbibition micromechanism of crude oil in nanopore throat through core-flooding laboratory experiment and nuclear magnetic resonance (NMR) observation. In the meantime, the microimbibition characteristics and dynamic discharge of oil between matrix and fracture in partially closed boundary reservoirs were simulated to utmostly reflect the actual reservoir conditions. Our findings suggest that dynamic imbibition be

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Cai, Shaobin, Li Zhang, Lixin Kang, et al. "Spontaneous Imbibition in a Fractal Network Model with Different Wettabilities." Water 13, no. 17 (2021): 2370. http://dx.doi.org/10.3390/w13172370.

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In this work, we derived a mathematical model for spontaneous imbibition in a Y-shaped branching network model. The classic Lucas–Washburn equation was used for modeling the imbibition process occurring in the Y-shape model. Then, a mathematical model for the Newtonian fluid’s imbibition was derived to reveal the relationship between dimensionless imbibition time and length ratio, radius ratio, and wetting strength. The dimensionless imbibition time in the model was adopted to compare with that of the capillary bundle model. Different length and radius ratios were considered in the adjacent tw

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SHEN, YINGHAO, CAOXIONG LI, HONGKUI GE, XUEJING GUO, and SHAOJUN WANG. "SPONTANEOUS IMBIBITION PROCESS IN MICRO–NANO FRACTAL CAPILLARIES CONSIDERING SLIP FLOW." Fractals 26, no. 02 (2018): 1840002. http://dx.doi.org/10.1142/s0218348x18400029.

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An imbibition process of water into a matrix is required to investigate the influences of large-volume fracturing fluids on gas production of unconventional formations. Slip flow has been recognized by recent studies as a major mechanism of fluid transport in nanotubes. For nanopores in shale, a slip boundary is nonnegligible in the imbibition process. In this study, we established an analytic equation of spontaneous imbibition considering slip effects in capillaries. A spontaneous imbibition model that couples the analytic equation considering the slip effect was constructed based on fractal

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McClure, G. B., and N. S. Lang. "LEAKAGE AND MOBILIZATION OF STORAGE RESERVES DURING IMBIBITION OF SWEET CORN." HortScience 28, no. 5 (1993): 530b—530. http://dx.doi.org/10.21273/hortsci.28.5.530b.

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Interconversion and transport of seed storage reserves during imbibition may influence subsequent germination. Sweet corn (Zea mays L. cv. Florida Staysweet) seeds were imbibed in aerated distilled water for either 0, 3, 6,9,12, or 24 h intervals. Seed leachate electrical conductivity, leachate soluble carbohydrate concentrations, and seed moisture were quantified at each interval. Lipid, non-structural carbohydrate, and protein concentrations of embryo and endosperm tissue were quantified for each imbibition interval. After imbibition treatments, seed germination performance was evaluated at

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Lyu, Chaohui, Qing Wang, Zhengfu Ning, et al. "Investigation on the Application of NMR to Spontaneous Imbibition Recovery of Tight Sandstones: An Experimental Study." Energies 11, no. 9 (2018): 2359. http://dx.doi.org/10.3390/en11092359.

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In this paper, the nuclear magnetic resonance (NMR) technique is applied to exploring the spontaneous imbibition mechanism in tight sandstones under all face open (AFO) boundary conditions, which will benefit a better understanding of spontaneous imbibition during the development of oil & gas in tight formations. The advantages of nuclear magnetic resonance imaging (NMRI) and NMR T2 are used to define the distribution of remaining oil, evaluate the effect of micro structures on imbibition and predict imbibition recovery. NMR T2 results show that pore size distributions around two peaks are

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Liu, Yishan, Zhewei Chen, Dongqi Ji, Yingfeng Peng, Yanan Hou, and Zhengdong Lei. "Pore Fluid Movability in Fractured Shale Oil Reservoir Based on Nuclear Magnetic Resonance." Processes 11, no. 12 (2023): 3365. http://dx.doi.org/10.3390/pr11123365.

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Gulong shale oil is found in a typical continental shale oil reservoir, which is different from marine shale oil reservoirs. The Gulong shale oil reservoir is a pure shale-type oil reservoir with abundantly developed nanoscale pores, making it extremely difficult to unlock fluids. Pressure drive does not easily achieve fluid unlock conditions; thus, it is necessary to utilize imbibition to unlock nanoscale pore fluids. In this study, experiments were conducted on oil displacement by high-speed centrifugal pressure and imbibition under different conditions, respectively, and simulations were us

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Bhatia, Ramesh C. "Imbibition and germination in the seeds of Glinus lotoides L." Acta Agrobotanica 40, no. 1-2 (2013): 15–20. http://dx.doi.org/10.5586/aa.1987.002.

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Imbibition in the seeds of <i>Glinus lotoides</i> L. varied under different temperatures. The optimum temperatures for imbibition and germination were different. Fifty-five percent imbibition was essential for germination and this capability was achieved by 12 weeks old seeds. With growing duration of dry storage, imbibition and germination increased, although germination declined on prolonged dry storage for over 36 weeks. A soil moisture of 50% was essential and 100% was optimal for germination. A correlation was found between imbibition and germination.

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Mirzaei, Mohammad, David A. DiCarlo, and Gary A. Pope. "Visualization and Analysis of Surfactant Imbibition Into Oil-Wet Fractured Cores." SPE Journal 21, no. 01 (2016): 101–11. http://dx.doi.org/10.2118/166129-pa.

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Summary Imbibition of surfactant solution into the oil-wet matrix in fractured reservoirs is a complicated process that involves gravity, capillary, viscous, and diffusive forces. The standard experiment for testing imbibition of surfactant solution involves an imbibition cell, in which the core is placed in the surfactant solution and the recovery is measured vs. time. Although these experiments prove the effectiveness of surfactants, little insight into the physics of the problem is achieved. In this study, we performed water and surfactant flooding into oil-wet fractured cores and monitored

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Li, Kewen, Kevin Chow, and Roland N. Horne. "Influence of Initial Water Saturation on Recovery by Spontaneous Imbibition in Gas/Water/Rock Systems and the Calculation of Relative Permeability." SPE Reservoir Evaluation & Engineering 9, no. 04 (2006): 295–301. http://dx.doi.org/10.2118/99329-pa.

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Summary It has been a challenge to understand why recovery by spontaneous imbibition could both increase and decrease with initial water saturation. To this end, mathematical models were developed with porosity, permeability, viscosity, relative permeability, capillary pressure, and initial water saturation included. These equations foresee that recovery and imbibition rate can increase, remain unchanged, or decrease with an increase in initial water saturation, depending on rock properties, the quantity of residual gas saturation, the range of initial water saturation, and the units used in t

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Wang, Xiukun, and James J. Sheng. "Dynamic Pore-Scale Network Modeling of Spontaneous Water Imbibition in Shale and Tight Reservoirs." Energies 13, no. 18 (2020): 4709. http://dx.doi.org/10.3390/en13184709.

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Spontaneous water imbibition plays an imperative role in the development of shale or tight oil reservoirs. Spontaneous water imbibition is helpful in the extraction of crude oil from the matrix, although it decreases the relative permeability of the hydrocarbon phase dramatically. The dynamic pore-scale network modeling of water imbibition in shale and tight reservoirs is presented in this work; pore network generation, local capillary pressure function, conductance calculation and boundary conditions for imbibition are all presented in detail in this paper. The pore network is generated based

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Dou, Xiangji, Menxing Qian, Xinli Zhao, et al. "Fluid Flow Behavior in Nanometer-Scale Pores and Its Impact on Shale Oil Recovery Efficiency." Energies 17, no. 18 (2024): 4677. http://dx.doi.org/10.3390/en17184677.

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Shale oil reservoirs, as an unconventional hydrocarbon resource, have the potential to substitute conventional hydrocarbon resources and alleviate energy shortages, making their exploration and development critically significant. However, due to the low permeability and the development of nanopores in shale reservoirs, shale oil production is challenging and recovery efficiency is low. During the imbibition stage, fracturing fluid displaces the oil in the pores primarily under capillary forces, but the complex pore structure of shale reservoirs makes the imbibition mechanism unclear. This rese

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Nie, Xiangrong, and Junbin Chen. "Nuclear Magnetic Resonance Measurement of Oil and Water Distributions in Spontaneous Imbibition Process in Tight Oil Reservoirs." Energies 11, no. 11 (2018): 3114. http://dx.doi.org/10.3390/en11113114.

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Spontaneous imbibition of water into tight oil reservoirs is considered an effective way to improve tight oil recovery. We have combined testing techniques such as nuclear magnetic resonance, mercury injection capillary pressure, and magnetic resonance imaging to reveal the distribution characteristics of oil and water during the spontaneous imbibition process of tight sandstone reservoir. The experimental results were used to describe the dynamic process of oil–water distribution at the microscopic scale. The water phase is absorbed into the core sample by micropores and mesopores under capil

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Meng, Mianmo, Hongkui Ge, Yinghao Shen, Wenming Ji, and Fei Ren. "Fluid saturation evolution with imbibition in unconventional natural gas reservoirs." Interpretation 6, no. 4 (2018): T849—T859. http://dx.doi.org/10.1190/int-2017-0206.1.

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Hydraulic fracturing plays an important role in developing unconventional natural gas. The large amount of fracturing fluid retention becomes a significant phenomenon in gas fields. Much research has been carried out to explain this mechanism. Imbibition is regarded as one of the important factors and has been investigated extensively. However, the saturation evolution of different types of fluids (liquid, free gas, and trapped gas) has been less researched during imbibition. A porosity experiment combined with an imbibition experiment was conducted to research the fluids-saturation evolution.

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Wang, Dongmei, Jin Zhang, Raymond Butler, and Kayode Olatunji. "Scaling Laboratory-Data Surfactant-Imbibition Rates to the Field in Fractured-Shale Formations." SPE Reservoir Evaluation & Engineering 19, no. 03 (2016): 440–49. http://dx.doi.org/10.2118/178489-pa.

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Summary By use of existing methods, typical oil-recovery factors from the Bakken and other shale formations are low, typically less than 5% of original oil in place (OOIP). We are investigating the use of surfactant imbibition to enhance oil recovery from oil shale or other tight rocks. Much of our previous work has measured surfactant-imbibition rates and oil-recovery values in laboratory cores from the Bakken shale, Niobrara chalk/shale, and Eagle Ford formations. With optimized surfactant formulations at reservoir conditions, we observed oil-recovery values up to 20% of OOIP incremental ove

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Shi, Junjie, Linsong Cheng, Renyi Cao, Zhihao Jia, and Gaoling Liu. "Phase-Field Simulation of Imbibition for the Matrix-Fracture of Tight Oil Reservoirs Considering Temperature Change." Water 13, no. 7 (2021): 1004. http://dx.doi.org/10.3390/w13071004.

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Injection water temperature is often different from that of the reservoir during water injection development in the tight reservoir. Temperature change causes different fluid properties and oil-water interface properties, which further affects the imbibition process. In this paper, a matrix-fracture non-isothermal oil-water imbibition flow model in tight reservoirs is established and solved by the finite element method based on the phase-field method. The ideal inhomogeneous rock structure model was used to study the influence of a single factor on the imbibition. The actual rock structure mod

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