Class information for:
Level 1: COALBED METHANE//INTERNATIONAL JOURNAL OF COAL GEOLOGY//ENGN COAL GAS CONTROL

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2945 2106 36.5 46%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
16 4 ENGINEERING, CIVIL//CONSTRUCTION & BUILDING TECHNOLOGY//MECHANICS 627508
231 3       ENGINEERING, PETROLEUM//INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES//PETR ENGN 49169
2849 2             COALBED METHANE//DISASTER ADVANCES//INTERNATIONAL JOURNAL OF COAL GEOLOGY 2947
2945 1                   COALBED METHANE//INTERNATIONAL JOURNAL OF COAL GEOLOGY//ENGN COAL GAS CONTROL 2106

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 COALBED METHANE authKW 2837744 12% 75% 261
2 INTERNATIONAL JOURNAL OF COAL GEOLOGY journal 1325821 22% 19% 473
3 ENGN COAL GAS CONTROL address 751641 3% 81% 64
4 COAL BED METHANE authKW 597004 3% 61% 67
5 COAL PERMEABILITY authKW 582729 2% 93% 43
6 ECBM authKW 566745 2% 95% 41
7 COALBED METHANE CBM authKW 557741 2% 84% 46
8 COAL ERVOIR address 547555 2% 79% 48
9 COAL SWELLING authKW 390658 2% 84% 32
10 COAL RESERVOIR authKW 335585 1% 93% 25

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Energy & Fuels 75900 60% 0% 1269
2 Geosciences, Multidisciplinary 22147 38% 0% 797
3 Engineering, Petroleum 15915 9% 1% 186
4 Engineering, Chemical 11543 31% 0% 659
5 Mining & Mineral Processing 10071 7% 0% 151
6 Engineering, Geological 4312 5% 0% 115
7 Water Resources 441 5% 0% 95
8 Geochemistry & Geophysics 298 4% 0% 84
9 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 224 2% 0% 32
10 Engineering, Environmental 112 2% 0% 51

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ENGN COAL GAS CONTROL 751641 3% 81% 64
2 COAL ERVOIR 547555 2% 79% 48
3 SAFETY ENGN 256729 6% 13% 133
4 ENGN CBM DEV UTILIZAT 249214 1% 90% 19
5 G3 146241 1% 39% 26
6 COAL METHANE FIRE CONTROL 141995 1% 43% 23
7 STRATA MECH 124704 2% 27% 32
8 COAL ERVOIR ENGN 103091 0% 89% 8
9 MINES VENTILAT 101482 0% 100% 7
10 STATE COAL OURCES MINE SAFETY 100209 1% 31% 22

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 INTERNATIONAL JOURNAL OF COAL GEOLOGY 1325821 22% 19% 473
2 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 179902 7% 8% 155
3 INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY 33825 1% 9% 27
4 FUEL 32948 9% 1% 184
5 ENERGY EXPLORATION & EXPLOITATION 23392 2% 5% 32
6 ARCHIVES OF MINING SCIENCES 19740 1% 5% 27
7 INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES 16248 3% 2% 60
8 ENERGY & FUELS 11348 5% 1% 97
9 GOSPODARKA SUROWCAMI MINERALNYMI-MINERAL RESOURCES MANAGEMENT 9135 1% 4% 17
10 TRANSPORT IN POROUS MEDIA 6657 2% 1% 37

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 COALBED METHANE 2837744 12% 75% 261 Search COALBED+METHANE Search COALBED+METHANE
2 COAL BED METHANE 597004 3% 61% 67 Search COAL+BED+METHANE Search COAL+BED+METHANE
3 COAL PERMEABILITY 582729 2% 93% 43 Search COAL+PERMEABILITY Search COAL+PERMEABILITY
4 ECBM 566745 2% 95% 41 Search ECBM Search ECBM
5 COALBED METHANE CBM 557741 2% 84% 46 Search COALBED+METHANE+CBM Search COALBED+METHANE+CBM
6 COAL SWELLING 390658 2% 84% 32 Search COAL+SWELLING Search COAL+SWELLING
7 COAL RESERVOIR 335585 1% 93% 25 Search COAL+RESERVOIR Search COAL+RESERVOIR
8 COAL AND GAS OUTBURST 328890 2% 69% 33 Search COAL+AND+GAS+OUTBURST Search COAL+AND+GAS+OUTBURST
9 ENHANCED COALBED METHANE RECOVERY 319546 1% 96% 23 Search ENHANCED+COALBED+METHANE+RECOVERY Search ENHANCED+COALBED+METHANE+RECOVERY
10 ENHANCED COALBED METHANE 246457 1% 100% 17 Search ENHANCED+COALBED+METHANE Search ENHANCED+COALBED+METHANE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 MOORE, TA , (2012) COALBED METHANE: A REVIEW.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 101. ISSUE . P. 36 -81 140 77% 156
2 PAN, ZJ , CONNELL, LD , (2012) MODELLING PERMEABILITY FOR COAL RESERVOIRS: A REVIEW OF ANALYTICAL MODELS AND TESTING DATA.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 92. ISSUE . P. 1 -44 74 93% 111
3 BUSCH, A , GENSTERBLUM, Y , (2011) CBM AND CO2-ECBM RELATED SORPTION PROCESSES IN COAL: A REVIEW.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 87. ISSUE 2. P. 49 -71 92 71% 140
4 KARACAN, CO , RUIZ, FA , COTE, M , PHIPPS, S , (2011) COAL MINE METHANE: A REVIEW OF CAPTURE AND UTILIZATION PRACTICES WITH BENEFITS TO MINING SAFETY AND TO GREENHOUSE GAS REDUCTION.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 86. ISSUE 2-3. P. 121-156 56 84% 185
5 RITTER, D , VINSON, D , BARNHART, E , AKOB, DM , FIELDS, MW , CUNNINGHAM, A , OREM, W , MCINTOSH, JC , (2015) ENHANCED MICROBIAL COALBED METHANE GENERATION: A REVIEW OF RESEARCH, COMMERCIAL ACTIVITY, AND REMAINING CHALLENGES.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 146. ISSUE . P. 28 -41 67 70% 20
6 ZHANG, XG , RANJITH, PG , PERERA, MSA , RANATHUNGA, AS , HAQUE, K , (2016) GAS TRANSPORTATION AND ENHANCED COALBED METHANE RECOVERY PROCESSES IN DEEP COAL SEAMS: A REVIEW.ENERGY & FUELS. VOL. 30. ISSUE 11. P. 8832 -8849 64 88% 0
7 ZANG, J , WANG, K , (2017) GAS SORPTION-INDUCED COAL SWELLING KINETICS AND ITS EFFECTS ON COAL PERMEABILITY EVOLUTION: MODEL DEVELOPMENT AND ANALYSIS.FUEL. VOL. 189. ISSUE . P. 164 -177 53 98% 0
8 MAZZOTTI, M , PINI, R , STORTI, G , (2009) ENHANCED COALBED METHANE RECOVERY.JOURNAL OF SUPERCRITICAL FLUIDS. VOL. 47. ISSUE 3. P. 619 -627 59 91% 64
9 WANG, SG , ELSWORTH, D , LIU, JS , (2011) PERMEABILITY EVOLUTION IN FRACTURED COAL: THE ROLES OF FRACTURE GEOMETRY AND WATER-CONTENT.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 87. ISSUE 1. P. 13 -25 50 98% 57
10 VISHAL, V , RANJITH, PG , SINGH, TN , (2013) CO2 PERMEABILITY OF INDIAN BITUMINOUS COALS: IMPLICATIONS FOR CARBON SEQUESTRATION.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 105. ISSUE . P. 36 -47 52 87% 24

Classes with closest relation at Level 1


Rank Class id link
1 7534 SHALE GAS//LONGMAXI FORMATION//TIGHT OIL
2 21667 DISASTER ADVANCES//STATE LOCAL JOINT ENGN METHANE DRAINAGE COM//EXPLOITAT SW OURCES ENVIRONM DISASTE
3 17252 IGNEOUS INTRUSION//NATURAL COKE//INTERNATIONAL JOURNAL OF COAL GEOLOGY
4 10324 MINING SUBSIDENCE//UNDERGROUND MINING//WATER INRUSH
5 24528 MINE VENTILATION//DUST SUPPRESSION//AUXILIARY VENTILATION
6 26676 COAL SOLUBILIZATION//BIOSOLUBILIZATION//COAL BIOCONVERSION
7 6686 PHYSICOCHEM CARBON MAT GRP//ADSORBED NATURAL GAS//P PROTECT
8 14717 INTERNATIONAL JOURNAL OF COAL GEOLOGY//COAL PETROLOGY//MACERALS
9 2948 FUEL//COAL PROC EFFICIENT UTILIZAT//ENERGY & FUELS
10 23678 UNDERGROUND COAL GASIFICATION//UNDERGROUND COAL GASIFICATION UCG//UCG

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