Geofluids

Hydraulic Fracturing in Underground Mining


Publishing date
01 Oct 2022
Status
Closed
Submission deadline
20 May 2022

Lead Editor

1China University of Mining and Technology, Xuzhou, China

2Southwest Petroleum University, Chengdu, China

3China University of Geosciences, Wuhan, China

4Central south university, Changsha, China

5The University of Arizona, Tucson, USA

This issue is now closed for submissions.

Hydraulic Fracturing in Underground Mining

This issue is now closed for submissions.

Description

Hydraulic fracturing is a widely used technique for exploiting petroleum and natural gas in the formation. In essence, it utilizes a high-pressure pump on the ground to inject the high-viscosity liquid into the drilled well, and hold high pressure at the bottom of the well. When the pressure is greater than the ground stress and the tensile strength of the rock, fractures will initiate from the well wall and propagate vertically along the minimum principal stress. The fluid with proppant is further injected into the well, thus the fractures will extend forward and be filled to prevent closure. As a result, a fracture network with high permeability is formed. This provides a good channel for the flow of water, oil and gas, and the goal of extracting oil and gas can be achieved.

In addition to the petroleum industry, the hydraulic fracturing method has gradually been introduced to other fields in recent years, especially in mining engineering. The application purpose of hydraulic fracturing is mainly divided into two categories: enhancing the permeability of the rock mass and improving the caving ability of the rock mass. For the former, it is similar to the situation of oil and gas exploitation and the hydraulic fracturing is popularly employed to pre-treat low-permeability coal seams to improve gas drainage efficiency. In contrast, the latter is mainly used for the initial caving of the hard roof of the fully-mechanized mining working face and the cutting of the hard roof of the retaining gob-side entry, as well as the pre-splitting of orebody for caving mining in hard rock mines. The above techniques are very effective in preventing dynamic disasters such as rock burst and coal-gas outburst, and improving the mining efficiency of orebody. Also, hydraulic fracturing can be applied to measure in-situ stress, extract geothermal, adjust ground stress and increase hard rock breaking efficiency. It is believed that hydraulic fracturing has widespread application in underground mining.

This Special Issue is dedicated to bringing together high-quality original research and review articles highlighting recent advances and new insights of hydraulic fracturing in underground mining. Submissions showcasing theoretical analyzing, laboratory testing, numerical modeling and field investigations are welcome.

Potential topics include but are not limited to the following:

  • Hydraulic fracture initiation, propagation and closure laws under different stress states
  • Impacts of anisotropy and heterogeneity of formation rocks on hydraulic fracture propagation.
  • Interaction mechanisms of hydraulic and natural fractures.
  • Depletion and stress shadow effects.
  • Advances in hydraulic fracturing modeling and numerical computation
  • Hydraulic fracture monitoring techniques and effect evaluation methods
  • Innovative technologies related to hydraulic fracturing in underground mining
  • New emerging materials of fracturing fluids, proppants, and chemical additives.
  • Environmental challenges in hydraulic fracturing operations.
  • Other issues related to fracture mechanics in mining engineering

Articles

  • Special Issue
  • - Volume 2023
  • - Article ID 4141572
  • - Research Article

Research and Construction of a Global Hexagonal Marine Gravity Gradient Reference Map for Navigation

Huang Yan | Li Shanshan | ... | Wang Aoming
  • Special Issue
  • - Volume 2023
  • - Article ID 6447565
  • - Research Article

Multiobjective Optimization Method for the Diversion Scheme of Lean Concrete Overtopped Cofferdam under Multiconstraint Conditions

Zhengyu Dong | Kebin Shi
  • Special Issue
  • - Volume 2022
  • - Article ID 3429063
  • - Research Article

Study on the Deformation Mechanism of the Bottom Plate along the Empty Lane of Deep Mining and the Control Technology of the Bottom Drum

Dongdong Pang | Xingang Niu | ... | Xiaolong Luo
  • Special Issue
  • - Volume 2022
  • - Article ID 8107024
  • - Research Article

Research on the Prediction Model of Mine Subsidence Based on Object-Oriented and Probability Integration Method

Zhongyuan Gu | Yanlin Zhao | ... | Lewen Wu
  • Special Issue
  • - Volume 2022
  • - Article ID 6132784
  • - Research Article

Study on Activation Behavior of Complex Fracture Network in Weak-Planar Rock

Jin Chen | Lingbo Ran | ... | Qiang Wang
  • Special Issue
  • - Volume 2022
  • - Article ID 7217560
  • - Research Article

Pressure Transient Analysis for a Well Drilling into a Large-Size Cave in Fracture-Caved Carbonate Gas Reservoirs

Jie Jin | Qingyu Li | Detang Lu
  • Special Issue
  • - Volume 2022
  • - Article ID 6955884
  • - Research Article

Reservoir Structure and Remaining Oil Distribution of Meandering River Channels: A Case Study of the Y92-1 Layer in the Jingbian Oilfield, Ordos Basin

Chun-ling Guo | Guo-min Fu | ... | Li Qiao
  • Special Issue
  • - Volume 2022
  • - Article ID 4773250
  • - Research Article

Study on the Application of Gob-Side Entry Retaining via Roof Cutting under the Condition of a Hard Thick Roof

Daoyong Zhu | Huyue Zhang | Yi Su
  • Special Issue
  • - Volume 2022
  • - Article ID 6418082
  • - Research Article

Evolution Characteristics of Overburden Instability and Failure under Deep Complex Mining Conditions

Xinfeng Wang | Wengang Liu | ... | Youyu Wei
  • Special Issue
  • - Volume 2022
  • - Article ID 6811300
  • - Research Article

Numerical Investigation of Hydraulic Fracture Propagation Morphology in the Conglomerate Reservoir

Zehao Xu | Xiangjun Liu | Lixi Liang
Geofluids
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Acceptance rate29%
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CiteScore2.300
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