Results 11 to 20 of about 98,360 (263)

A New Method for Predicting the Permeability of Sandstone in Deep Reservoirs

Geofluids, 2020
Capillary pressure curve data measured through the mercury injection method can accurately reflect the pore throat characteristics of reservoir rock; in this study, a new methodology is proposed to solve the aforementioned problem by virtue of the ...
Feisheng Feng, Pan Wang, Zhen Wei, Guanghui Jiang, Dongjing Xu, Jiqiang Zhang, Jing Zhang   +6 more
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An Efficient Method for Determining Capillary Pressure and Relative Permeability Curves from Spontaneous Imbibition Data [PDF]

Iranian Journal of Oil & Gas Science and Technology, 2015
In this paper, a very efficient method, called single matrix block analyzer (SMBA), has been developed to determine relative permeability and capillary pressure curves from spontaneous imbibition (SI) data.
Mojtaba Ghaedi, Zoltán E. Heinemann, Mohsen Masihi, Mohammad Hossein Ghazanfari   +3 more
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Cardiogenic Pulmonary Edema in Emergency Medicine

Advances in Respiratory Medicine, 2023
Cardiogenic pulmonary edema (CPE) is characterized by the development of acute respiratory failure associated with the accumulation of fluid in the lung’s alveolar spaces due to an elevated cardiac filling pressure. All cardiac diseases, characterized by
Christian Zanza, Francesco Saglietti, Manfredi Tesauro, Yaroslava Longhitano, Gabriele Savioli, Mario Giosuè Balzanelli, Tatsiana Romenskaya, Luigi Cofone, Ivano Pindinello, Giulia Racca, Fabrizio Racca   +10 more
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Biomimetic Copper Forest Structural Modification Enhances the Capillary Flow Characteristics of the Copper Mesh Wick

Energies, 2023
In a two-phase heat transfer device, achieving a high capillarity of the wick while reducing flow resistance within a limited space becomes the key to improving the heat dissipation performance.
Jia-Li Luo, Fan-Bin Zhao, Mou Xu, Dong-Chuan Mo, Shu-Shen Lyu   +4 more
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Functions of capillary pressure and dissolution in the CO2-flooding process in low-permeability reservoirs

Journal of Petroleum Exploration and Production Technology, 2020
CO2 flooding has become one of most effective methods to improve oil recovery in low-permeability reservoirs. Thus, influencing factors have been specifically analyzed for their impact on oil displacement.
Xiaoliang Huang, Zhilin Qi, Wende Yan, Yingzhong Yuan, Jie Tian, Tianbao Qin   +5 more
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A New Method to Calculate the Relative Permeability of Oil and Water in Tight Oil Reservoirs by Considering the Nonlinear Flow

Geofluids, 2022
The theoretical research on the percolation mechanism and oil-water relative permeability of low-permeability oil reservoirs is the focus and hotspot of international researchers.
Haibo Su, Duocai Wang, Ping Zhang, Yongsheng An, Yaping Fu, Jun Lu, Famu Huang, Hong Zhang, Zhongxing Ren, Zhuo Li   +9 more
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Effects of applied load and its direction on the permeability behavior of concrete: A case study

Case Studies in Construction Materials, 2021
The applied load has significantly impacted on the permeability behavior of concrete. Although many investigations have reported the impact of loading level on the permeability, the influence of loading direction on the permeability received little ...
Jianguang Xu, Tiejun Zhao, Wenpan Lu
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A fractal permeability model for the dual-porosity media of tight gas reservoirs

Energy Exploration & Exploitation, 2021
Hydraulic fracturing is a crucial method for the exploitation of tight gas reservoirs. The matrix permeability is a key factor influencing the fracturing result. This paper assumes that the matrix permeability is provided by a series of capillary bundles
Fanhui Zeng, Tao Zhang, Jie Yang, Jianchun Guo, Qiang Zhang, Wenxi Ren   +5 more
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Co-estimation of saturation functions (k r and P c) from unsteady-state core-flood experiment in tight carbonate rocks

Journal of Petroleum Exploration and Production Technology, 2018
The production from oil and gas reservoirs is greatly affected by rock and fluid properties of the porous rock. Capillary pressure (P c) and relative permeability (k r) are two important properties employed in the mathematical simulation reservoirs for ...
Muhammad Yaralidarani, Hamidreza Shahverdi   +1 more
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A model of capillary water rise based on fractal theory and experimental validation

Shuiwen dizhi gongcheng dizhi
As to the roadbed projects in coastal areas, capillary water rise can produce roadbed diseases and affect the safety and durability of road operation. It is important to study the capillary water rise height. The article regards capillary water rise as a
Hanjing JIANG, Yuran XU, Zhiming CHEN, Shue LI, Fengyi KANG, Yongfu XU   +5 more
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