Model of T-Type Fracture in Coal Fracturing and Analysis of Influence Factors of Fracture Morphology

Special T-type fractures can be formed when coal is hydraulically fractured and there is currently no relevant theoretical model to calculate and describe them. This paper first establishes the height calculation model of vertical fractures in multi-layered formations and deduces the stress intensit...

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Bibliographic Details
Main Authors: Yuwei Li, Dan Jia, Wei Li, Kunpeng Zhang
Format: Artigo
Language:Inglês
Published: MDPI AG 2018-05-01
Series:Energies
Subjects:
coal
T-type fracture
stress intensity factor
vertical fracture
horizontal fracture
Online Access:http://www.mdpi.com/1996-1073/11/5/1196
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