$The impact of the coal macrolithotype on reservoir productivity, hydraulic fracture initiation and propagation$

The impact of the coal macrolithotype on reservoir productivity, hydraulic fracture initiation and propagation

•The CBM production are impacted significantly by macrolithotype.•The hydraulic fracture initiation and propagation was evaluated using the PFC2D software.•The impact of macrolithotype on hydraulic fracture under the stress was investigated. Macrolithotypes control the pore-fracture distribution het...

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Veröffentlicht in:	Fuel (Guildford) 2019-03, Vol.239, p.471-483
Hauptverfasser:	Liu, Yulong, Xu, Hao, Tang, Dazhen, Mathews, Jonathan P., Zhai, Yuyang, Hou, Wei, Li, Song, Tao, Shu, Xiong, Xianyue, Wang, Wei
Format:	Artikel
Sprache:	eng
Schlagworte:	Coal Coal cleats Coal macrolithotype Coalbed methane Crack initiation Crack propagation Discrete elemental method Exploration Flow paths Fracture mechanics Fractures Heterogeneity Hydraulic fracturing Hydraulics Hydrofracturing Mechanical properties Methane Productivity Propagation Reservoirs Steering Stimulation Stress propagation Wells
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