Class information for:
Level 1: POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
8686 1228 22.2 49%


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
12 4 POLYMER SCIENCE//MATERIALS SCIENCE, PAPER & WOOD//CHEMISTRY, PHYSICAL 1084170
649 3       POUR POINT DEPRESSANT//WAXY CRUDE OIL//JOURNAL OF CRYSTAL GROWTH 11664
2647 2             POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION 3480
8686 1                   POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION 1228

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 POUR POINT DEPRESSANT authKW 2186533 8% 87% 101
2 WAXY CRUDE OIL authKW 1583200 6% 86% 74
3 WAX DEPOSITION authKW 1126498 4% 85% 53
4 FLOW IMPROVER authKW 785946 3% 88% 36
5 WAX PRECIPITATION authKW 653460 2% 91% 29
6 BEIJING URBAN OIL GAS DISTRIBUT TECHNOL address 562768 6% 31% 72
7 NAT PROD POLYMER CHEM address 530903 3% 65% 33
8 WAXY CRUDE authKW 505888 2% 88% 23
9 WAX APPEARANCE TEMPERATURE authKW 448799 2% 95% 19
10 POUR POINT authKW 308509 4% 28% 44

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 102173 29% 1% 357
2 Energy & Fuels 30570 50% 0% 617
3 Engineering, Chemical 21353 54% 0% 669
4 Thermodynamics 780 7% 0% 86
5 Mechanics 519 8% 0% 99
6 Chemistry, Physical 233 12% 0% 150
7 Polymer Science 182 6% 0% 71
8 Engineering, Mechanical 112 4% 0% 49
9 Engineering, General 25 2% 0% 20
10 Geology 25 1% 0% 10

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 BEIJING URBAN OIL GAS DISTRIBUT TECHNOL 562768 6% 31% 72
2 NAT PROD POLYMER CHEM 530903 3% 65% 33
3 ENGN PIPELINE SAFETY 259764 3% 33% 32
4 PETR STORAGE TRANSPORTAT 255744 1% 86% 12
5 POST PROGRAM MECH MAT ENGN PPGEM 144661 1% 73% 8
6 RHEOL NONNEWTONIAN FLUIDS CERNN 79564 0% 80% 4
7 PETR PLICAT 71595 2% 13% 22
8 QUIM CONJUNTO E 55943 0% 75% 3
9 GRP HAUTE P S 50755 1% 29% 7
10 BEIJING OIL GAS DISTRIBUT TECHNOL 49729 0% 100% 2

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 PETROLEUM SCIENCE AND TECHNOLOGY 233088 14% 6% 167
2 ENERGY & FUELS 50881 13% 1% 156
3 CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS 23799 2% 3% 30
4 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 14634 4% 1% 45
5 FUEL 9343 6% 1% 75
6 JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY 9070 3% 1% 37
7 JOURNAL OF NON-NEWTONIAN FLUID MECHANICS 7401 3% 1% 32
8 OIL & GAS JOURNAL 5257 2% 1% 24
9 FLUID PHASE EQUILIBRIA 3332 3% 0% 36
10 SPE PRODUCTION & FACILITIES 2759 0% 2% 6

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 POUR POINT DEPRESSANT 2186533 8% 87% 101 Search POUR+POINT+DEPRESSANT Search POUR+POINT+DEPRESSANT
2 WAXY CRUDE OIL 1583200 6% 86% 74 Search WAXY+CRUDE+OIL Search WAXY+CRUDE+OIL
3 WAX DEPOSITION 1126498 4% 85% 53 Search WAX+DEPOSITION Search WAX+DEPOSITION
4 FLOW IMPROVER 785946 3% 88% 36 Search FLOW+IMPROVER Search FLOW+IMPROVER
5 WAX PRECIPITATION 653460 2% 91% 29 Search WAX+PRECIPITATION Search WAX+PRECIPITATION
6 WAXY CRUDE 505888 2% 88% 23 Search WAXY+CRUDE Search WAXY+CRUDE
7 WAX APPEARANCE TEMPERATURE 448799 2% 95% 19 Search WAX+APPEARANCE+TEMPERATURE Search WAX+APPEARANCE+TEMPERATURE
8 POUR POINT 308509 4% 28% 44 Search POUR+POINT Search POUR+POINT
9 VISCOSITY MODIFIER 231784 1% 55% 17 Search VISCOSITY+MODIFIER Search VISCOSITY+MODIFIER
10 VISCOSITY INDEX IMPROVER 211982 1% 47% 18 Search VISCOSITY+INDEX+IMPROVER Search VISCOSITY+INDEX+IMPROVER

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 YANG, F , ZHAO, YS , SJOBLOM, J , LI, CX , PASO, KG , (2015) POLYMERIC WAX INHIBITORS AND POUR POINT DEPRESSANTS FOR WAXY CRUDE OILS: A CRITICAL REVIEW.JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY. VOL. 36. ISSUE 2. P. 213 -225 77 96% 11
2 AIYEJINA, A , CHAKRABARTI, DP , PILGRIM, A , SASTRY, MKS , (2011) WAX FORMATION IN OIL PIPELINES: A CRITICAL REVIEW.INTERNATIONAL JOURNAL OF MULTIPHASE FLOW. VOL. 37. ISSUE 7. P. 671 -694 61 84% 71
3 WANG, WD , HUANG, QY , WANG, CH , LI, S , QU, WX , ZHAO, JD , HE, MQ , (2015) EFFECT OF OPERATING CONDITIONS ON WAX DEPOSITION IN A LABORATORY FLOW LOOP CHARACTERIZED WITH DSC TECHNIQUE.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY. VOL. 119. ISSUE 1. P. 471 -485 50 94% 2
4 YANG, F , CAI, JY , CHENG, L , LI, CX , JI, ZY , YAO, B , ZHAO, YS , ZHANG, GZ , (2016) DEVELOPMENT OF ASPHALTENES-TRIGGERED TWO-LAYER WAXY OIL GEL DEPOSIT UNDER LAMINAR FLOW: AN EXPERIMENTAL STUDY.ENERGY & FUELS. VOL. 30. ISSUE 11. P. 9922 -9932 47 84% 0
5 SARICA, C , PANACHAROENSAWAD, E , (2012) REVIEW OF PARAFFIN DEPOSITION RESEARCH UNDER MULTIPHASE FLOW CONDITIONS.ENERGY & FUELS. VOL. 26. ISSUE 7. P. 3968 -3978 40 95% 11
6 BHAT, NV , MEHROTRA, AK , (2008) MODELING THE EFFECT OF SHEAR STRESS ON THE COMPOSITION AND GROWTH OF THE DEPOSIT LAYER FROM "WAXY" MIXTURES UNDER LAMINAR FLOW IN A PIPELINE.ENERGY & FUELS. VOL. 22. ISSUE 5. P. 3237-3248 45 96% 7
7 HAJ-SHAFIEI, S , SERAFINI, D , MEHROTRA, AK , (2014) A STEADY-STATE HEAT-TRANSFER MODEL FOR SOLIDS DEPOSITION FROM WAXY MIXTURES IN A PIPELINE.FUEL. VOL. 137. ISSUE . P. 346 -359 35 95% 6
8 BAO, YQ , ZHANG, JJ , WANG, XY , LIU, WW , (2016) EFFECT OF PRE-SHEAR ON STRUCTURAL BEHAVIOR AND PIPELINE RESTART OF GELLED WAXY CRUDE OIL.RSC ADVANCES. VOL. 6. ISSUE 84. P. 80529 -80540 34 97% 0
9 LI, CX , CAI, JY , YANG, F , ZHANG, Y , BAI, F , MA, YY , YAO, B , (2016) EFFECT OF ASPHALTENES ON THE STRATIFICATION PHENOMENON OF WAX-OIL GEL DEPOSITS FORMED IN A NEW CYLINDRICAL COUETTE DEVICE.JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING. VOL. 140. ISSUE . P. 73 -84 34 94% 0
10 EL-GHAZAWY, RA , ATTA, AM , KABEL, KI , (2014) MODIFIED MALEIC ANHYDRIDE-CO-OCTADECENE COPOLYMERS AS FLOW IMPROVER FOR WAXY EGYPTIAN CRUDE OIL.JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING. VOL. 122. ISSUE . P. 411 -419 37 86% 4

Classes with closest relation at Level 1


Rank Class id link
1 33905 CRUDE PETROLATUM//SLACK WAXES//MICROCRYSTALLINE WAX
2 10522 ROTATOR PHASE//SURFACE FREEZING//THERMODYNAM SEPARAT
3 9884 VISCOPLASTIC FLUID//BINGHAM FLUID//YIELD STRESS FLUID
4 32779 PIPELINE INSPECTION GAUGE PIG//PIPELINE PIGGING//PIGGING
5 23876 FATTY ACID MIXTURE//EXTRAE//DETQUI
6 1667 ASPHALTENES//ASPHALTENE PRECIPITATION//ENERGY & FUELS
7 8254 DEMULSIFIER//DEMULSIFICATION//CRUDE OIL EMULSIONS
8 22662 FOURIER TRANSFORM RHEOLOGY//LARGE AMPLITUDE OSCILLATORY SHEAR//FT RHEOLOGY
9 29619 STAMPED METAL//SURFACE SHEAR STRESS MEASUREMENT//ENERGY POSSIBILITY OF ADHERENCE
10 34239 RESISTIVE AND INDUCTIVE HEATING//THERMAL HEAVY OIL RECOVERY//ERVOIR SIMULAT JOINT IND PROJECT

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