Results 31 to 40 of about 21,171 (295)

Characterization of the Dynamic Imbibition Displacement Mechanism in Tight Sandstone Reservoirs Using the NMR Technique

open access: yesGeofluids, 2020
An experimental technique is developed to investigate the dynamic imbibition displacement mechanism in tight sandstone formations of the Yanchang group of the Ordos basin.
Liangbin Dou   +4 more
doaj   +1 more source

The long cross-over dynamics of capillary imbibition [PDF]

open access: yes, 2022
Spontaneous capillary imbibition is a classical problem in interfacial fluid dynamics with a broad range of application, from microfluidics to agriculture.
Hernández-Machado, Aurora   +10 more
core   +2 more sources

Effects of Clay Minerals and External Pressures on Imbibition in Shales

open access: yesEnergies, 2021
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.
Li Lu   +4 more
doaj   +1 more source

Experiments and Modeling on the Influence of Interfacial Tension on Imbibition Height of Low-Permeability Reservoir

open access: yesGeofluids, 2020
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.
Xiaoxia Ren   +3 more
doaj   +1 more source

Effect of viscosity on oil recovery by spontaneous imbibition from partially water-covered matrix blocks

open access: yesEnergy Exploration & Exploitation, 2021
Spontaneous imbibition is an important mechanism of oil recovery from fractured reservoirs and unconventional reservoirs. Oil is produced by combining co- and counter-current imbibition when the matrix blocks was partially covered by water. In this paper,
Qi Zhang   +3 more
doaj   +1 more source

Differences in Imbibition Efficiency Between Bedding and Tectonic Fractures in the Lucaogou Formation in the Jimusar Sag: Evidence From Simulation Experiments

open access: yesFrontiers in Earth Science, 2022
In addition to tectonic fractures, the ubiquitous and important bedding fractures are often overlooked in the imbibition processes. Based on the identification of different fracture types in tight sandstone from the middle Permian Lucaogou Formation in ...
Chenggang Liang   +5 more
doaj   +1 more source

Physicochemical mechanism of water phase imbibition in shale reservoirs [PDF]

open access: yesYouqicang pingjia yu kaifa, 2023
Shale gas reservoirs, which develope micro-nano pore throats and fractures, have high clay mineral content, and strong heterogeneity of porosity. Therefore, large-scale hydraulic fracturing is usually needed to realize the effective exploitation.
LI Ying,LI Maomao,LI Haitao,YU Hao,ZHANG Qihui,LUO Hongwen
doaj   +1 more source

Mechanisms of Spontaneous Imbibition and Wettability Reversal of Sandstone Cores by a Novel Imbibition Agent

open access: yes, 2022
The basic performance of a novel high-efficiency spontaneous imbibition agent (SXJ-2) was investigated in this study. The mechanisms of spontaneous imbibition and wettability reversal of an oil-wet sandstone surface (OSS) by SXJ-2 were studied by ...
Song Wang   +19 more
core   +1 more source

Imbibition Characteristic of Fractured Tight Sandstone Reservoir

open access: yes, 2022
“Fracture network stimulation + imbibition replacement” is a new attempt to effectively develop tight sandstone reservoirs, and the fractures provide conditions for fluid imbibition replacement.
Jian Yin, Yang Zhang, Xiong Liu, Xin Fan
core   +1 more source

Spontaneous imbibition in asymmetric branch-like throat structures in unconventional reservoirs

open access: yes, 2017
Unconventional reservoirs, especially shale plays, have abundant micro nano pores. Large volume water was injected into the reservoir during hydraulic fracturing.
Ge HK   +5 more
core   +1 more source

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