Class information for:
Level 1: ENGINEERING, PETROLEUM//SPE RESERVOIR EVALUATION & ENGINEERING//WELL TESTING

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7287 1385 22.4 22%


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
777 2             ENGINEERING, PETROLEUM//JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY//PETR ENGN 12212
7287 1                   ENGINEERING, PETROLEUM//SPE RESERVOIR EVALUATION & ENGINEERING//WELL TESTING 1385

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 ENGINEERING, PETROLEUM WoSSC 543756 63% 3% 873
2 SPE RESERVOIR EVALUATION & ENGINEERING journal 456066 11% 14% 150
3 WELL TESTING authKW 437618 3% 44% 45
4 FRACTURED HORIZONTAL WELL authKW 346012 1% 83% 19
5 TYPE CURVES authKW 330995 2% 48% 31
6 THRESHOLD PRESSURE GRADIENT authKW 324057 2% 70% 21
7 HORIZONTAL WELL authKW 310094 4% 26% 55
8 PRODUCTION DATA ANALYSIS authKW 275564 1% 83% 15
9 MULTIPLE FRACTURED HORIZONTAL WELL authKW 264546 1% 100% 12
10 PETR ENGN address 259593 19% 5% 261

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 543756 63% 3% 873
2 Energy & Fuels 59776 66% 0% 912
3 Engineering, Chemical 8803 34% 0% 465
4 Geosciences, Multidisciplinary 4431 21% 0% 297
5 Geology 222 2% 0% 27
6 Mechanics 208 5% 0% 73
7 Engineering, General 142 3% 0% 41
8 Mathematics, Interdisciplinary Applications 106 2% 0% 34
9 Water Resources 62 2% 0% 34
10 Mining & Mineral Processing 21 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 PETR ENGN 259593 19% 5% 261
2 DYNAM SYST CONTROL DSC 154319 1% 100% 7
3 PROGRAMA INGN PETR 113375 0% 86% 6
4 UNCONVENT GAS LIGHT OIL 110228 0% 100% 5
5 STATE OIL GAS ERVOIR GEOL EXPLOITA 100083 6% 6% 81
6 GRP INVEST PRUEBAS POZOS 88182 0% 100% 4
7 MARATHON EXCELLENCE ERVOIR STUDIES 68889 0% 63% 5
8 MCERS 68889 0% 63% 5
9 ENERGY MODELING GRP 58785 0% 67% 4
10 STATE ERVOIR GEOL EXPLOITAT 49601 0% 75% 3

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 SPE RESERVOIR EVALUATION & ENGINEERING 456066 11% 14% 150
2 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 197079 13% 5% 175
3 SPE JOURNAL 186824 8% 8% 104
4 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 161280 9% 6% 119
5 JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY 148647 8% 6% 104
6 SPE PRODUCTION & OPERATIONS 113039 3% 11% 48
7 SPE FORMATION EVALUATION 106406 2% 19% 26
8 JOURNAL OF PETROLEUM TECHNOLOGY 76366 5% 6% 63
9 CT&F-CIENCIA TECNOLOGIA Y FUTURO 33242 1% 12% 13
10 JOURNAL OF ENERGY RESOURCES TECHNOLOGY-TRANSACTIONS OF THE ASME 29342 3% 3% 46

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 WELL TESTING 437618 3% 44% 45 Search WELL+TESTING Search WELL+TESTING
2 FRACTURED HORIZONTAL WELL 346012 1% 83% 19 Search FRACTURED+HORIZONTAL+WELL Search FRACTURED+HORIZONTAL+WELL
3 TYPE CURVES 330995 2% 48% 31 Search TYPE+CURVES Search TYPE+CURVES
4 THRESHOLD PRESSURE GRADIENT 324057 2% 70% 21 Search THRESHOLD+PRESSURE+GRADIENT Search THRESHOLD+PRESSURE+GRADIENT
5 HORIZONTAL WELL 310094 4% 26% 55 Search HORIZONTAL+WELL Search HORIZONTAL+WELL
6 PRODUCTION DATA ANALYSIS 275564 1% 83% 15 Search PRODUCTION+DATA+ANALYSIS Search PRODUCTION+DATA+ANALYSIS
7 MULTIPLE FRACTURED HORIZONTAL WELL 264546 1% 100% 12 Search MULTIPLE+FRACTURED+HORIZONTAL+WELL Search MULTIPLE+FRACTURED+HORIZONTAL+WELL
8 FRACTURED WELL 211632 1% 80% 12 Search FRACTURED+WELL Search FRACTURED+WELL
9 TRANSIENT PRESSURE ANALYSIS 205190 1% 85% 11 Search TRANSIENT+PRESSURE+ANALYSIS Search TRANSIENT+PRESSURE+ANALYSIS
10 MULTI STAGE FRACTURED HORIZONTAL WELL 176364 1% 100% 8 Search MULTI+STAGE+FRACTURED+HORIZONTAL+WELL Search MULTI+STAGE+FRACTURED+HORIZONTAL+WELL

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 LIU, WC , YAO, J , CHEN, ZX , LIU, YW , (2016) EFFECT OF QUADRATIC PRESSURE GRADIENT TERM ON A ONE-DIMENSIONAL MOVING BOUNDARY PROBLEM BASED ON MODIFIED DARCY'S LAW.ACTA MECHANICA SINICA. VOL. 32. ISSUE 1. P. 38 -53 30 60% 1
2 CLARKSON, CR , (2013) PRODUCTION DATA ANALYSIS OF UNCONVENTIONAL GAS WELLS: REVIEW OF THEORY AND BEST PRACTICES.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 109. ISSUE . P. 101-146 24 67% 52
3 KABIR, CS , YI, X , JAKYMEC, M , HASAN, AR , (2014) INTERPRETING DISTRIBUTED-TEMPERATURE MEASUREMENTS IN DEEPWATER GAS-WELL TESTING: ESTIMATION OF STATIC AND DYNAMIC THERMAL GRADIENTS AND FLOW RATES.SPE PRODUCTION & OPERATIONS. VOL. 29. ISSUE 2. P. 97 -104 20 95% 1
4 GUO, JJ , WANG, HT , ZHANG, LH , (2016) TRANSIENT PRESSURE AND PRODUCTION DYNAMICS OF MULTI-STAGE FRACTURED HORIZONTAL WELLS IN SHALE GAS RESERVOIRS WITH STIMULATED RESERVOIR VOLUME.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING. VOL. 35. ISSUE . P. 425 -443 15 94% 2
5 ZENG, J , WANG, XZ , GUO, JC , ZENG, FH , (2017) COMPOSITE LINEAR FLOW MODEL FOR MULTI-FRACTURED HORIZONTAL WELLS IN HETEROGENEOUS SHALE RESERVOIR.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING. VOL. 38. ISSUE . P. 527 -548 23 68% 0
6 GUO, JC , NIE, RS , (2013) NONLINEAR FLOW MODEL FOR WELL PRODUCTION IN AN UNDERGROUND FORMATION.NONLINEAR PROCESSES IN GEOPHYSICS. VOL. 20. ISSUE 3. P. 311-327 18 90% 2
7 CHEN, ZM , LIAO, XW , ZHAO, XL , ZHU, LT , LIU, HM , (2016) PERFORMANCE OF MULTIPLE FRACTURED HORIZONTAL WELLS WITH CONSIDERATION OF PRESSURE DROP WITHIN WELLBORE.JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING. VOL. 146. ISSUE . P. 677 -693 14 100% 0
8 CLARKSON, CR , WILLIAMS-KOVACS, JD , QANBARI, F , BEHMANESH, H , SURESHJANI, MH , (2015) HISTORY-MATCHING AND FORECASTING TIGHT/SHALE GAS CONDENSATE WELLS USING COMBINED ANALYTICAL, SEMI-ANALYTICAL, AND EMPIRICAL METHODS.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING. VOL. 26. ISSUE . P. 1620 -1647 14 93% 2
9 ILK, D , ANDERSON, DM , STOTTS, GWJ , MATTAR, L , BLASINGAME, TA , (2010) PRODUCTION-DATA ANALYSIS-CHALLENGES, PITFALLS, DIAGNOSTICS.SPE RESERVOIR EVALUATION & ENGINEERING. VOL. 13. ISSUE 3. P. 538-552 16 89% 18
10 ZHAO, YL , XIE, SC , PENG, XL , ZHANG, LH , (2016) TRANSIENT PRESSURE RESPONSE OF FRACTURED HORIZONTAL WELLS IN TIGHT GAS RESERVOIRS WITH ARBITRARY SHAPES BY THE BOUNDARY ELEMENT METHOD.ENVIRONMENTAL EARTH SCIENCES. VOL. 75. ISSUE 17. P. - 14 93% 0

Classes with closest relation at Level 1


Rank Class id link
1 22126 NON DARCY FLOW//FORCHHEIMER EQUATION//GAS CONDENSATE
2 7534 SHALE GAS//LONGMAXI FORMATION//TIGHT OIL
3 32900 CRESTING//WATER CONING//FLARE MINIMIZATION
4 17935 WELL PLACEMENT//PRODUCTION OPTIMIZATION//CAPACITANCE RESISTANCE MODEL
5 9398 HYDRAULIC FRACTURING//HYDRAULIC FRACTURE//NATURAL FRACTURE
6 27887 WELLBORE STRENGTHENING//LOST CIRCULATION//LOST CIRCULATION MATERIAL
7 23250 NUCLEAR MAGNETIC RESONANCE NMR LOGS//PETROPHYSICS//CEMENTATION EXPONENT
8 28289 STREAMLINE SIMULATION//VISCOUS DOMINANT REGIME//ADVECTION DISPERSION RATIO
9 36715 UNDERBALANCED PERFORATION//OIL GAS ENGN STUDIES//SARALINE
10 5832 GROUND WATER//PUMPING TEST//ANALYTIC ELEMENT METHOD

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