Permeability evolution in fractured coal: The roles of fracture geometry and water-content

International Journal of Coal Geology

Volumn 87, Issue 1, 2011, Pages 13-25

  Wang, Shugang ^a   Elsworth, Derek ^a   Liu, Jishan ^b  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

Fracture geometry; Permeability evolution of coal; Sorption; Swelling strain; Water content

Indexed keywords

ANTHRACITE COAL; APPLIED STRESS; COAL SAMPLE; COAL TYPES; CONFINING STRESS; CYLINDRICAL SAMPLES; EFFECTIVE STRESS; FRACTURE CONSTRAINT; FRACTURE GEOMETRIES; FRACTURE NETWORK; GAS PRESSURES; GAS SORPTION; IN-SITU; INCREASE IN PRESSURE; INITIAL PERMEABILITY; LABORATORY EXPERIMENTS; ORDERS OF MAGNITUDE; PERMEABILITY EVOLUTION; PULSE TRANSIENT METHOD; ROOM TEMPERATURE; SATURATION STATE; SIEVE ANALYSIS; SORPTION CAPACITIES; SORPTION CHARACTERISTICS; SWELLING STRAIN; TRANSPORT CHARACTERISTICS; UNDER WATER; VOLUMETRIC STRAIN; WEAKENING EFFECT;

ANTHRACITE; CARBON DIOXIDE; EXPERIMENTS; GEOMETRY; HELIUM; METHANE; PARTICLE SIZE ANALYSIS; PARTICLES (PARTICULATE MATTER); PORE PRESSURE; SORPTION; STRAIN; SWELLING; WATER CONTENT;

FRACTURE;

ABSORPTION; COAL; CONFINING PRESSURE; DEFORMATION MECHANISM; EFFECTIVE STRESS; EXPERIMENTAL STUDY; FAILURE MECHANISM; FRACTURE GEOMETRY; FRACTURE MECHANICS; IN SITU MEASUREMENT; LABORATORY METHOD; PERMEABILITY; PORE PRESSURE; SWELLING; WATER CONTENT;

EID: 79957753476     PISSN: 01665162     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.coal.2011.04.009     Document Type: Article

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