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Advances in the Principles and Technologies for the Physical and Mechanical Behaviors of Deep Rock

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 20 April 2026 | Viewed by 594

Special Issue Editors


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Guest Editor
State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, College of Water Resource and Hydropower, Sichuan University, Chengdu, China
Interests: rock mechanics

E-Mail Website
Guest Editor
State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, College of Water Resource and Hydropower, Sichuan University, Chengdu, China
Interests: deep rock insulation coring; rock mechanics

E-Mail Website
Guest Editor
College of Civil Engineering, Guizhou University, Guiyang, China
Interests: flow through rock fractures

Special Issue Information

Dear Colleagues,

With the continuous advancement of earth exploration, there is an ever-growing demand for operations in extreme and challenging environments. These geological conditions-such as high geo-pressure, elevated temperatures, and intense in situ stress-present significant challenges to resource extraction efficiency, engineering safety, and frontier scientific discovery.

The emerging principles and technologies hold transformative potential to address these challenges. By leveraging computer-aided engineering, data-driven modeling, and artificial intelligence, we may have the opportunity to enhance both the efficiency and safety of engineering operations in deep environments. Beyond improving industrial performance, these innovations could also contribute to sustainable development goals and open new frontiers in earth sciences and resource engineering.

This Special Issue aims to collect high-quality contributions that showcase the latest advances and practical applications. While we particularly encourage submissions focusing on deep earth engineering, resource exploration, and intelligent mine systems, we also welcome interdisciplinary research that explores the integration of intelligent technologies with engineering practices under complex deep geological conditions. It is expected that this Special Issue will serve as a platform for sharing novel theories, pioneering methods, and engineering breakthroughs—ultimately strengthening our ability to explore, utilize, and manage deep geological resources more effectively.

Topics of interest include (but are not limited to) the following:

  • Principles and technologies of deep in situ conditions preserved coring and Testing;
  • Mechanical behaviors of deep rock mass;
  • Intelligent design, simulation, and operational management for deep rock engineering;
  • Data-driven modeling and AI-based prediction of deep rock physical–mechanical behaviors;
  • Advanced theories and technologies for deep coal resources mining.

We eagerly anticipate receiving your submissions and fostering impactful academic exchanges through this Special Issue.

Sincerely,

Dr. Cong Li
Dr. Zhiqiang He
Dr. Jianxing Liao
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 250 words) can be sent to the Editorial Office for assessment.

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. Applied Sciences 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 2400 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

  • intelligent mine systems
  • deep coal mining
  • deep rock
  • deep earth engineering
  • rock mass
 

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Published Papers (1 paper)

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Research

22 pages, 34615 KB  
Article
Development and Experimental Validation of Active In Situ Temperature-Preserved Coring Testing System for Deep Oil and Gas Reservoirs
by Haishu Bai, Zhiqiang He, Zijie Wei and Yufan Lan
Appl. Sci. 2025, 15(22), 12011; https://doi.org/10.3390/app152212011 - 12 Nov 2025
Viewed by 383
Abstract
Deep oil and gas reservoirs exist under high-temperature and high-pressure (HTHP) conditions. Conventional coring without thermal preservation during retrieval induces thermal imbalance, biasing petrophysical and phase measurements and distorting resource evaluation. Internationally, most temperature-preserved corers are designed for low-temperature conditions and rely on [...] Read more.
Deep oil and gas reservoirs exist under high-temperature and high-pressure (HTHP) conditions. Conventional coring without thermal preservation during retrieval induces thermal imbalance, biasing petrophysical and phase measurements and distorting resource evaluation. Internationally, most temperature-preserved corers are designed for low-temperature conditions and rely on passive insulation, whereas existing HTHP simulators can reproduce pressure and temperature but lack the capability to evaluate active thermal retention throughout coring and retrieval. Here, we develop and validate a full-scale testing platform for active in situ temperature-preserved coring (active ITP-coring), consisting of a simulated HTHP core chamber, a through-chamber conductive module, a high-pressure simulation module, an ambient-temperature simulation module, and a data acquisition and control module. The system operates stably at 150 °C and 140 MPa, reproduces realistic ambient cooling histories (with maximum and average rates of 11.22 and 5.11 °C/min), and demonstrates that, under HTHP conditions, active preservation limits the internal temperature drop to 4.2 °C over 40.5 min (temperature retention of 98.93%), markedly outperforming the 13.1 °C decrease within 14.9 min without active preservation. These results verify the system’s reliability and, at the laboratory scale, demonstrate the feasibility of active ITP-coring, providing a reproducible methodology and quantitative evidence for engineering deployment in deep reservoirs. Full article
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