Class information for:
Level 2: ASPHALTENES//NAPHTHENIC ACIDS//ENERGY & FUELS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1990 5553 30.5 55%


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
18 4 THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL 531182
381 3       FUEL//HYDRODESULFURIZATION//ENERGY & FUELS 31814
1990 2             ASPHALTENES//NAPHTHENIC ACIDS//ENERGY & FUELS 5553
1667 1                   ASPHALTENES//ASPHALTENE PRECIPITATION//ENERGY & FUELS 2546
8254 1                   DEMULSIFIER//DEMULSIFICATION//CRUDE OIL EMULSIONS 1274
9766 1                   NAPHTHENIC ACIDS//OIL SANDS PROCESS AFFECTED WATER//OIL SANDS 1122
17201 1                   OIL SANDS//BITUMEN RECOVERY//BITUMEN EXTRACTION 611

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 ASPHALTENES authKW 2108948 11% 63% 606
2 NAPHTHENIC ACIDS authKW 1297695 5% 86% 274
3 ENERGY & FUELS journal 561701 20% 9% 1101
4 OIL SANDS authKW 524281 4% 42% 227
5 ASPHALTENE PRECIPITATION authKW 411583 2% 80% 94
6 DEMULSIFIER authKW 320197 1% 79% 74
7 EDMONTON address 315486 2% 47% 121
8 UGELSTAD address 310159 2% 43% 131
9 PETROLEUM SCIENCE AND TECHNOLOGY journal 265105 7% 13% 379
10 DEMULSIFICATION authKW 231728 1% 53% 79

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 174050 18% 3% 993
2 Energy & Fuels 127727 48% 1% 2684
3 Engineering, Chemical 100126 55% 1% 3079
4 Chemistry, Physical 2600 17% 0% 946
5 Engineering, Environmental 657 3% 0% 184
6 Environmental Sciences 597 7% 0% 382
7 Chemistry, Analytical 296 5% 0% 261
8 Spectroscopy 206 2% 0% 131
9 Mining & Mineral Processing 179 1% 0% 38
10 Thermodynamics 157 2% 0% 110

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 EDMONTON 315486 2% 47% 121
2 UGELSTAD 310159 2% 43% 131
3 GRP INVEST YACIMIENTOS HIDROCARBUROS 83608 0% 89% 17
4 ION CYCLOTRON ONANCE PROGRAM 60429 1% 24% 45
5 MACROMOL OIDS PETR IND 58057 0% 81% 13
6 CHEM PETR ENGN 53693 4% 4% 240
7 FUTURE FUELS 49629 0% 53% 17
8 PETR ENVIRONM GEOCHEM GRP 45105 1% 26% 31
9 PDVSA 44841 1% 28% 29
10 DBR TECHNOL 42634 0% 52% 15

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 ENERGY & FUELS 561701 20% 9% 1101
2 PETROLEUM SCIENCE AND TECHNOLOGY 265105 7% 13% 379
3 FUEL 67192 8% 3% 427
4 JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY 56350 4% 5% 196
5 FUEL SCIENCE & TECHNOLOGY INTERNATIONAL 44121 1% 19% 43
6 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 33516 3% 4% 145
7 CANADIAN JOURNAL OF CHEMICAL ENGINEERING 16919 2% 2% 130
8 CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS 12856 1% 5% 47
9 COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 9647 3% 1% 158
10 JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY 9536 1% 3% 53

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 ASPHALTENES 2108948 11% 63% 606 Search ASPHALTENES Search ASPHALTENES
2 NAPHTHENIC ACIDS 1297695 5% 86% 274 Search NAPHTHENIC+ACIDS Search NAPHTHENIC+ACIDS
3 OIL SANDS 524281 4% 42% 227 Search OIL+SANDS Search OIL+SANDS
4 ASPHALTENE PRECIPITATION 411583 2% 80% 94 Search ASPHALTENE+PRECIPITATION Search ASPHALTENE+PRECIPITATION
5 DEMULSIFIER 320197 1% 79% 74 Search DEMULSIFIER Search DEMULSIFIER
6 DEMULSIFICATION 231728 1% 53% 79 Search DEMULSIFICATION Search DEMULSIFICATION
7 OIL SANDS PROCESS AFFECTED WATER 171019 1% 84% 37 Search OIL+SANDS+PROCESS+AFFECTED+WATER Search OIL+SANDS+PROCESS+AFFECTED+WATER
8 CRUDE OIL EMULSIONS 135438 1% 79% 31 Search CRUDE+OIL+EMULSIONS Search CRUDE+OIL+EMULSIONS
9 ELECTROCOALESCENCE 135438 1% 79% 31 Search ELECTROCOALESCENCE Search ELECTROCOALESCENCE
10 WATER IN CRUDE OIL EMULSIONS 131927 0% 100% 24 Search WATER+IN+CRUDE+OIL+EMULSIONS Search WATER+IN+CRUDE+OIL+EMULSIONS

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 HE, L , LIN, F , LI, XG , SUI, H , XU, ZH , (2015) INTERFACIAL SCIENCES IN UNCONVENTIONAL PETROLEUM PRODUCTION: FROM FUNDAMENTALS TO APPLICATIONS.CHEMICAL SOCIETY REVIEWS. VOL. 44. ISSUE 15. P. 5446 -5494 232 59% 15
2 ADAMS, JJ , (2014) ASPHALTENE ADSORPTION, A LITERATURE REVIEW.ENERGY & FUELS. VOL. 28. ISSUE 5. P. 2831 -2856 127 85% 50
3 BROWN, LD , ULRICH, AC , (2015) OIL SANDS NAPHTHENIC ACIDS: A REVIEW OF PROPERTIES, MEASUREMENT, AND TREATMENT.CHEMOSPHERE. VOL. 127. ISSUE . P. 276 -290 98 100% 16
4 HOSSEINI-DASTGERDI, Z , TABATABAEI-NEJAD, SAR , KHODAPANAH, E , SAHRAEI, E , (2015) A COMPREHENSIVE STUDY ON MECHANISM OF FORMATION AND TECHNIQUES TO DIAGNOSE ASPHALTENE STRUCTURE; MOLECULAR AND AGGREGATES: A REVIEW.ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING. VOL. 10. ISSUE 1. P. 1 -14 109 98% 9
5 CHEN, ZT , ZHANG, LH , ZHAO, SQ , SHI, Q , XU, CM , (2016) MOLECULAR STRUCTURE AND ASSOCIATION BEHAVIOR OF PETROLEUM ASPHALTENE.STRUCTURE AND MODELING OF COMPLEX PETROLEUM MIXTURES. VOL. 168. ISSUE . P. 1 -38 124 91% 0
6 SJOBLOM, J , SIMON, S , XU, ZH , (2015) MODEL MOLECULES MIMICKING ASPHALTENES.ADVANCES IN COLLOID AND INTERFACE SCIENCE. VOL. 218. ISSUE . P. 1 -16 107 86% 6
7 GANEEVA, YM , YUSUPOVA, TN , ROMANOV, GV , (2011) ASPHALTENE NANO-AGGREGATES: STRUCTURE, PHASE TRANSITIONS AND EFFECT ON PETROLEUM SYSTEMS.RUSSIAN CHEMICAL REVIEWS. VOL. 80. ISSUE 10. P. 993 -1008 125 84% 6
8 HEADLEY, JV , PERU, KM , BARROW, MP , (2016) ADVANCES IN MASS SPECTROMETRIC CHARACTERIZATION OF NAPHTHENIC ACIDS FRACTION COMPOUNDS IN OIL SANDS ENVIRONMENTAL SAMPLES AND CRUDE OIL-A REVIEW.MASS SPECTROMETRY REVIEWS. VOL. 35. ISSUE 2. P. 311 -328 62 94% 10
9 FORTE, E , TAYLOR, SE , (2015) THERMODYNAMIC MODELLING OF ASPHALTENE PRECIPITATION AND RELATED PHENOMENA.ADVANCES IN COLLOID AND INTERFACE SCIENCE. VOL. 217. ISSUE . P. 1 -12 128 71% 3
10 MULLINS, OC , (2010) THE MODIFIED YEN MODEL.ENERGY & FUELS. VOL. 24. ISSUE . P. 2179 -2207 81 83% 223

Classes with closest relation at Level 2


Rank Class id link
1 3064 OIL SHALE//OIL SHALE ASH//VANADYL PORPHYRINS
2 777 ENGINEERING, PETROLEUM//JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY//PETR ENGN
3 2647 POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION
4 1318 HYDRODESULFURIZATION//OXIDATIVE DESULFURIZATION//DIBENZOTHIOPHENE
5 3371 STEAM CRACKING//THERMOPHYS PROPERTIES//THERMAL CRACKING
6 781 FUEL//COAL//INTERNATIONAL JOURNAL OF COAL GEOLOGY
7 2927 LIQUID LIQUID DISPERSION//DISPERSED PHASE HOLDUP//ULTRA HIGH PRESSURE HOMOGENIZATION
8 2174 OIL SPILL//ENHYDRA LUTRIS//DEEPWATER HORIZON
9 915 ROAD MATERIALS AND PAVEMENT DESIGN//ASPHALT MIXTURE//ASPHALT
10 1776 FOAM FRACTIONATION//DISSOLVED AIR FLOTATION//FOAM FILMS

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