Class information for:
Level 1: SHALE GAS//LONGMAXI FORMATION//TIGHT OIL

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7534 1357 41.2 43%


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
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
0 3       GEOCHEMISTRY & GEOPHYSICS//GEOSCIENCES, MULTIDISCIPLINARY//GEOLOGY 255672
498 2             ORGANIC GEOCHEMISTRY//PETR EXPLORAT DEV//MARINE AND PETROLEUM GEOLOGY 15363
7534 1                   SHALE GAS//LONGMAXI FORMATION//TIGHT OIL 1357

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 SHALE GAS authKW 1536019 16% 32% 215
2 LONGMAXI FORMATION authKW 524488 2% 90% 26
3 TIGHT OIL authKW 494219 3% 61% 36
4 GAS SHALE authKW 395179 2% 53% 33
5 SHALE authKW 337410 6% 17% 86
6 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING journal 261627 11% 8% 150
7 MARINE SHALE authKW 253123 1% 75% 15
8 PETROLEUM EXPLORATION AND DEVELOPMENT journal 246479 5% 15% 72
9 LACUSTRINE SHALE authKW 237656 1% 81% 13
10 LONGMAXI SHALE authKW 226878 1% 92% 11

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 Engineering, Petroleum 93435 26% 1% 359
2 Energy & Fuels 38179 53% 0% 724
3 Geosciences, Multidisciplinary 14586 38% 0% 519
4 Engineering, Chemical 6248 29% 0% 391
5 Geology 972 4% 0% 53
6 Geochemistry & Geophysics 681 7% 0% 93
7 Engineering, Geological 261 2% 0% 24
8 Mining & Mineral Processing 171 1% 0% 17
9 Mineralogy 47 1% 0% 14
10 Microscopy 19 1% 0% 7

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 MARINE ERVOIR EVOLUT HYDROCARBON ABU 202498 1% 75% 12
2 SHALE GAS EXPLORAT EVALUAT 202498 1% 75% 12
3 SHALE GAS EXPLORAT ASSESSMENT 194463 1% 79% 11
4 UNCONVENT NAT GAS 143373 2% 28% 23
5 STATE PETR OURCES PROSPECTING 137038 5% 9% 69
6 UNCONVENT GAS 110248 1% 70% 7
7 CENT ENERGY OURCES TEAM 101249 0% 75% 6
8 BUR ECON GEOL 97590 5% 7% 63
9 RIUPRE 93750 0% 83% 5
10 UNCONVENT OIL GAS RENEWABLE ENERGY 89998 0% 67% 6

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 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 261627 11% 8% 150
2 PETROLEUM EXPLORATION AND DEVELOPMENT 246479 5% 15% 72
3 INTERNATIONAL JOURNAL OF COAL GEOLOGY 67897 6% 4% 86
4 MARINE AND PETROLEUM GEOLOGY 66441 7% 3% 91
5 AAPG BULLETIN 59655 5% 4% 71
6 PETROPHYSICS 24506 1% 6% 17
7 ENERGY EXPLORATION & EXPLOITATION 20428 2% 4% 24
8 SPE RESERVOIR EVALUATION & ENGINEERING 18571 2% 3% 30
9 INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION 17855 1% 4% 19
10 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 17688 4% 2% 52

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 SHALE GAS 1536019 16% 32% 215 Search SHALE+GAS Search SHALE+GAS
2 LONGMAXI FORMATION 524488 2% 90% 26 Search LONGMAXI+FORMATION Search LONGMAXI+FORMATION
3 TIGHT OIL 494219 3% 61% 36 Search TIGHT+OIL Search TIGHT+OIL
4 GAS SHALE 395179 2% 53% 33 Search GAS+SHALE Search GAS+SHALE
5 SHALE 337410 6% 17% 86 Search SHALE Search SHALE
6 MARINE SHALE 253123 1% 75% 15 Search MARINE+SHALE Search MARINE+SHALE
7 LACUSTRINE SHALE 237656 1% 81% 13 Search LACUSTRINE+SHALE Search LACUSTRINE+SHALE
8 LONGMAXI SHALE 226878 1% 92% 11 Search LONGMAXI+SHALE Search LONGMAXI+SHALE
9 ORGANIC PORES 182252 1% 90% 9 Search ORGANIC+PORES Search ORGANIC+PORES
10 ORGANIC POROSITY 180004 1% 100% 8 Search ORGANIC+POROSITY Search ORGANIC+POROSITY

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 HU, JG , TANG, SH , ZHANG, SH , (2016) INVESTIGATION OF PORE STRUCTURE AND FRACTAL CHARACTERISTICS OF THE LOWER SILURIAN LONGMAXI SHALES IN WESTERN HUNAN AND HUBEI PROVINCES IN CHINA.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING. VOL. 28. ISSUE . P. 522 -535 42 79% 8
2 YANG, R , HE, S , YI, JZ , HU, QH , (2016) NANO-SCALE PORE STRUCTURE AND FRACTAL DIMENSION OF ORGANIC-RICH WUFENG-LONGMAXI SHALE FROM JIAOSHIBA AREA, SICHUAN BASIN: INVESTIGATIONS USING FE-SEM, GAS ADSORPTION AND HELIUM PYCNOMETRY.MARINE AND PETROLEUM GEOLOGY. VOL. 70. ISSUE . P. 27 -45 42 64% 12
3 CHEN, L , JIANG, ZX , LIU, KY , JI, WM , WANG, PF , GAO, FL , HU, T , (2017) APPLICATION OF LANGMUIR AND DUBININ-RADUSHKEVICH MODELS TO ESTIMATE METHANE SORPTION CAPACITY ON TWO SHALE SAMPLES FROM THE UPPER TRIASSIC CHANG 7 MEMBER IN THE SOUTHEASTERN ORDOS BASIN, CHINA.ENERGY EXPLORATION & EXPLOITATION. VOL. 35. ISSUE 1. P. 122 -144 53 83% 0
4 YANG, R , HE, S , HU, QH , HU, DF , ZHANG, SW , YI, JZ , (2016) PORE CHARACTERIZATION AND METHANE SORPTION CAPACITY OF OVER-MATURE ORGANIC-RICH WUFENG AND LONGMAXI SHALES IN THE SOUTHEAST SICHUAN BASIN, CHINA.MARINE AND PETROLEUM GEOLOGY. VOL. 77. ISSUE . P. 247 -261 52 75% 0
5 YANG, F , NING, ZF , WANG, Q , ZHANG, R , KROOSS, BM , (2016) PORE STRUCTURE CHARACTERISTICS OF LOWER SILURIAN SHALES IN THE SOUTHERN SICHUAN BASIN, CHINA: INSIGHTS TO PORE DEVELOPMENT AND GAS STORAGE MECHANISM.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 156. ISSUE . P. 12 -24 34 92% 3
6 TIAN, H , PAN, L , ZHANG, TW , XIAO, XM , MENG, ZP , HUANG, BJ , (2015) PORE CHARACTERIZATION OF ORGANIC-RICH LOWER CAMBRIAN SHALES IN QIANNAN DEPRESSION OF GUIZHOU PROVINCE, SOUTHWESTERN CHINA.MARINE AND PETROLEUM GEOLOGY. VOL. 62. ISSUE . P. 28 -43 37 70% 23
7 WANG, PF , JIANG, ZX , CHEN, L , YIN, LS , LI, Z , ZHANG, C , TANG, XL , WANG, GZ , (2016) PORE STRUCTURE CHARACTERIZATION FOR THE LONGMAXI AND NIUTITANG SHALES IN THE UPPER YANGTZE PLATFORM, SOUTH CHINA: EVIDENCE FROM FOCUSED ION BEAM HE ION MICROSCOPY, NANO-COMPUTERIZED TOMOGRAPHY AND GAS ADSORPTION ANALYSIS.MARINE AND PETROLEUM GEOLOGY. VOL. 77. ISSUE . P. 1323 -1337 42 79% 0
8 CAO, TT , SONG, ZG , WANG, SB , XIA, J , (2016) CHARACTERIZATION OF PORE STRUCTURE AND FRACTAL DIMENSION OF PALEOZOIC SHALES FROM THE NORTHEASTERN SICHUAN BASIN, CHINA.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING. VOL. 35. ISSUE . P. 882 -895 41 77% 0
9 ZHOU, SW , YAN, G , XUE, HQ , GUO, W , LI, XB , (2016) 2D AND 3D NANOPORE CHARACTERIZATION OF GAS SHALE IN LONGMAXI FORMATION BASED ON FIB-SEM.MARINE AND PETROLEUM GEOLOGY. VOL. 73. ISSUE . P. 174 -180 24 100% 4
10 CLARKSON, CR , HAGHSHENAS, B , GHANIZADEH, A , QANBARI, F , WILLIAMS-KOVACS, JD , RIAZI, N , DEBUHR, C , DEGLINT, HJ , (2016) NANOPORES TO MEGAFRACTURES: CURRENT CHALLENGES AND METHODS FOR SHALE GAS RESERVOIR AND HYDRAULIC FRACTURE CHARACTERIZATION.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING. VOL. 31. ISSUE . P. 612 -657 46 52% 3

Classes with closest relation at Level 1


Rank Class id link
1 7287 ENGINEERING, PETROLEUM//SPE RESERVOIR EVALUATION & ENGINEERING//WELL TESTING
2 37638 CALGARY ADV TECHNOL 120//BULLETIN OF CANADIAN PETROLEUM GEOLOGY//ACOUSTIC COUPLING FACTOR STRUCTURE FACTOR
3 2945 COALBED METHANE//INTERNATIONAL JOURNAL OF COAL GEOLOGY//ENGN COAL GAS CONTROL
4 2173 ORGANIC GEOCHEMISTRY//VITRINITE REFLECTANCE//THERMAL MATURITY
5 18284 OPALINUS CLAY//EXCAVATION DAMAGED ZONE//CLAYSTONE
6 23250 NUCLEAR MAGNETIC RESONANCE NMR LOGS//PETROPHYSICS//CEMENTATION EXPONENT
7 13743 OVERPRESSURE//DISEQUILIBRIUM COMPACTION//ABNORMAL PRESSURE
8 10913 SHALE GAS//HYDRAULIC FRACTURING//MARCELLUS SHALE
9 10940 TARIM BASIN//PETR EXPLORAT DEV//THERMOCHEMICAL SULFATE REDUCTION
10 9398 HYDRAULIC FRACTURING//HYDRAULIC FRACTURE//NATURAL FRACTURE

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