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Fluid Mechanics and Heat Transfer in Oil and Gas Enhanced...
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Fluid Mechanics and Heat Transfer in Oil and Gas Enhanced Recovery Studies

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J1: Heat and Mass Transfer".

Deadline for manuscript submissions: closed (15 October 2023) | Viewed by 2698

Special Issue Editors

Dr. Yuan Zhang

E-Mail Website
Guest Editor
Beijing Key Laboratory of Unconventional Natural Gas Geology Evaluation and Development Engineering, China University of Geosciences, Beijing 100083, China
Interests: phase behavior; fluid transport in porous media; oil and gas enhanced recovery; numerical simulation; CO2 sequestration
Dr. Weiwei Xie

E-Mail
Guest Editor
Sinopec Petroleum Exploration and Production Research Institute, Beijing 100083, China
Interests: enhanced oil and gas recovery; seepage characteristic in unconventional reservoirs

Special Issue Information

Dear Colleague,

Enhanced oil and gas recovery (EOR/EGR) is potential to be applied in different fields. However, flow transport and heat transfer in the porous media is complex, and how to well describe the fluid and heat behavior has been a subject of great interest in both industry and academia in recent years. Novel experimental and computational methods are developed that can expand our understanding, quantifying, and predictive capabilities for various engineering processes.

The aim of this special issue is to bring together original research and review articles discussing the research advances in fluid mechanics and heat transfer in oil and gas enhanced recovery.

Topics of interest for publication include, but are not limited to:

  • New concepts, theories, methods, and experiments in fluid flow;
  • Multi-scale flow, transport, and mechanical processes in EOR/GOR;
  • Multiscale and multiphysics modelling in heat transfer;
  • Advanced numerical methods and modelling for EOR/GOR;
  • Pilot tests and field applications of EOR/GOR;
  • Artificial intelligence-aided research and application of fluid flow and heat transfer;

Dr. Yuan Zhang
Dr. Weiwei Xie
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fluid flow
  • heat transfer
  • EOR/EGR
  • numerical simulation
  • experiments
  • case studies
  • field applications
  • artificial intelligence

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Published Papers (2 papers)

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Research

16 pages, 3303 KiB  
Article
Investigation on Invasion Depth of Fracturing Fluid during Horizontal Fracturing in Low-Permeability Oil Reservoirs with Experiments and Mathematical Models
by Haopeng Zhao, Yuan Zhang and Jinghong Hu
Energies 2023, 16(13), 5148; https://doi.org/10.3390/en16135148 - 4 Jul 2023
Cited by 1 | Viewed by 1034
Abstract
Multistage fracturing in horizontal well has become one of the important techniques for the efficient development of low-permeability sandstone reservoirs. In multistage hydraulic fractured horizontal wells (MHFHWs), the depth of fracturing fluid invasion into the formation is a key parameter evaluating the imbibition [...] Read more.
Multistage fracturing in horizontal well has become one of the important techniques for the efficient development of low-permeability sandstone reservoirs. In multistage hydraulic fractured horizontal wells (MHFHWs), the depth of fracturing fluid invasion into the formation is a key parameter evaluating the imbibition enhancement after fracturing. However, few studies have been conducted on the invasion depth of fracturing fluids combining experiments and mathematical models under high-pressure differences in MHFHWs. Therefore, in this work, a mathematical model with experimental validation is proposed for evaluating the fracturing fluids invasion under high pressure. We first conducted a series of displacement experiments under different pressure differences to obtain the breakthrough time and invasion velocity. All core samples are taken from the block X of Xinjiang oilfield. A mathematical model of fracturing fluid injection was then established, considering the two-dimensional filtration of fracturing fluid. Then, the calculated invasion velocity was validated against the experimental data. Afterward, the invasion depth and invasion volume were determined for this typical horizontal well. Results show that at the end of 72 min, the invasion depth reaches 1.516 m when measured by core experiments and 1.434 m when calculated by the proposed model. The total invasion volume of all fracturing stages is estimated as 21,560.05 m3 and the actual total fluid volume injected is 24,019.6 m3. The paper formed a scientific and reasonable evaluation method of fracturing fluid invasion depth during the fracturing of horizontal wells, which provides solid theoretical support for the effective evaluation of fracturing to improve oil recovery. Full article
(This article belongs to the Special Issue Fluid Mechanics and Heat Transfer in Oil and Gas Enhanced Recovery Studies)
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23 pages, 9815 KiB  
Article
Directional Dependency of Relative Permeability in Vugular Porous Medium: Experiment and Numerical Simulation
by Shihan Song, Yuan Di and Wanjiang Guo
Energies 2023, 16(7), 3041; https://doi.org/10.3390/en16073041 - 27 Mar 2023
Viewed by 1234
Abstract
Carbonate reservoirs are a highly heterogeneous type of reservoir characterized by the presence of a large amount of vugs and pores. During two-phase displacement, the two-phase flow regime in the vugs might be gravity segregated. The distribution pattern of two-phase fluid in the [...] Read more.
Carbonate reservoirs are a highly heterogeneous type of reservoir characterized by the presence of a large amount of vugs and pores. During two-phase displacement, the two-phase flow regime in the vugs might be gravity segregated. The distribution pattern of two-phase fluid in the vugs would accelerate the water flow in downward and horizontal directions, meanwhile decelerating in an upward direction, resulting in a different oil recovery ratio. This gives rise to the question of whether the relative permeability should be modeled as a directional dependent in a vugular porous medium since it is usually treated as an isotropic quantity. In this study, via both experiment and numerical simulation, we demonstrate that the relative permeability of vugular porous medium is dependent on the angle between the flow direction and the horizontal plane and should be considered for oil recovery estimation for carbonate reservoirs. Using the transmissibility-weighted upscaling method and a single-vug model, the relative permeability curves for different flow directions are obtained by numerical simulation. A directional relative permeability model for a vugular porous medium is also proposed. Full article
(This article belongs to the Special Issue Fluid Mechanics and Heat Transfer in Oil and Gas Enhanced Recovery Studies)
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