Class information for:
Level 2: SPE DRILLING & COMPLETION//ENGINEERING, PETROLEUM//DRILL STRING

Basic class information
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
8 4 POLYMER SCIENCE//CHEMISTRY, PHYSICAL//MATERIALS SCIENCE, MULTIDISCIPLINARY 1554940
584 3       NANOPORE//SPE DRILLING & COMPLETION//DRAG REDUCTION 15564
3172 2             SPE DRILLING & COMPLETION//ENGINEERING, PETROLEUM//DRILL STRING 2325
16335 1                   SPE DRILLING & COMPLETION//CUTTINGS TRANSPORT//HOLE CLEANING 687
19516 1                   DRILL STRING//DRILLSTRINGS//DRILL STRING DYNAMICS 526
20092 1                   PICKUP VELOCITY//SLUSH HYDROGEN//SLURRY PIPELINES 498
24031 1                   CASING WEAR//CASING DESIGN//SPE DRILLING & COMPLETION 349
31917 1                   GAS LIFT//GAS ALLOCATION//GAS LIFT OPTIMIZATION 159
35901 1                   PROGRESSING CAVITY PUMP//MOVING CORE IN CONCENTRIC ANNULI//SUCKER ROD PUMP 106

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPE DRILLING & COMPLETION journal 1242744 11% 36% 255
2 ENGINEERING, PETROLEUM WoSSC 286339 35% 3% 823
3 DRILL STRING authKW 236116 1% 62% 28
4 DRILLSTRINGS authKW 223042 1% 69% 24
5 DRILL STRING DYNAMICS authKW 190599 1% 94% 15
6 CUTTINGS TRANSPORT authKW 188179 1% 73% 19
7 PICKUP VELOCITY authKW 176200 1% 100% 13
8 SLUSH HYDROGEN authKW 149092 0% 100% 11
9 HELICAL BUCKLING authKW 134735 1% 76% 13
10 CASING WEAR authKW 123215 0% 91% 10

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Petroleum 286339 35% 3% 823
2 Energy & Fuels 23164 33% 0% 761
3 Engineering, Chemical 10950 29% 0% 680
4 Mechanics 3396 14% 0% 327
5 Engineering, Mechanical 2966 12% 0% 285
6 Mining & Mineral Processing 530 2% 0% 39
7 Thermodynamics 315 4% 0% 83
8 Acoustics 294 2% 0% 57
9 Engineering, General 237 3% 0% 69
10 Geosciences, Multidisciplinary 208 5% 0% 108

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PETR ENGN 87056 9% 3% 204
2 DRILLING WELL MODELING GRP 81323 0% 100% 6
3 TUDRP 69704 0% 86% 6
4 MOE PETR ENGN 62358 2% 13% 35
5 ADV DRILLING GRP 54215 0% 100% 4
6 WCTC 40661 0% 100% 3
7 CONVEYING HANDLING PARTICULATE SOLIDS 36428 0% 24% 11
8 PIPE FLOW TECHNOL 33880 0% 50% 5
9 CNPC TUBULAR GOODS ENGN 33870 0% 25% 10
10 PERFORATING 30977 0% 57% 4

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPE DRILLING & COMPLETION 1242744 11% 36% 255
2 JOURNAL OF ENERGY RESOURCES TECHNOLOGY-TRANSACTIONS OF THE ASME 107121 5% 7% 115
3 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 79552 6% 4% 146
4 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 72094 5% 5% 105
5 JOURNAL OF PETROLEUM TECHNOLOGY 45742 3% 5% 63
6 JOURNAL OF PIPELINES 41012 1% 17% 18
7 SPE PRODUCTION & OPERATIONS 25252 1% 6% 30
8 OIL & GAS JOURNAL 24698 3% 3% 71
9 JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY 19327 2% 3% 48
10 SPE JOURNAL 16010 2% 3% 40

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DRILL STRING 236116 1% 62% 28 Search DRILL+STRING Search DRILL+STRING
2 DRILLSTRINGS 223042 1% 69% 24 Search DRILLSTRINGS Search DRILLSTRINGS
3 DRILL STRING DYNAMICS 190599 1% 94% 15 Search DRILL+STRING+DYNAMICS Search DRILL+STRING+DYNAMICS
4 CUTTINGS TRANSPORT 188179 1% 73% 19 Search CUTTINGS+TRANSPORT Search CUTTINGS+TRANSPORT
5 PICKUP VELOCITY 176200 1% 100% 13 Search PICKUP+VELOCITY Search PICKUP+VELOCITY
6 SLUSH HYDROGEN 149092 0% 100% 11 Search SLUSH+HYDROGEN Search SLUSH+HYDROGEN
7 HELICAL BUCKLING 134735 1% 76% 13 Search HELICAL+BUCKLING Search HELICAL+BUCKLING
8 CASING WEAR 123215 0% 91% 10 Search CASING+WEAR Search CASING+WEAR
9 COILED TUBING 118669 1% 49% 18 Search COILED+TUBING Search COILED+TUBING
10 HOLE CLEANING 104256 0% 77% 10 Search HOLE+CLEANING Search HOLE+CLEANING

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.

Classes with closest relation at Level 2


rank cluster_id2 link
1 3673 DRAG REDUCTION//DRAG REDUCING POLYMERS//TURBULENT DRAG REDUCTION
2 3972 EMITTER CLOGGING//CHEM AGR ENGN TECHNOL//MICROIRRIGATION
3 2515 CAVITATION EROSION//SOLID PARTICLE EROSION//WEAR
4 1333 INTERNATIONAL JOURNAL OF MULTIPHASE FLOW//PARTICLE LADEN FLOW//SHEAR THICKENING FLUID
5 369 ENGINEERING, PETROLEUM//PETR ENGN//JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
6 3534 POUR POINT DEPRESSANT//WAXY CRUDE OIL//WAX DEPOSITION
7 426 INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES//ROCK MECHANICS AND ROCK ENGINEERING//ENGINEERING, GEOLOGICAL
8 926 JOURNAL OF NON-NEWTONIAN FLUID MECHANICS//RHEOLOGICA ACTA//JOURNAL OF RHEOLOGY
9 662 FLOW BOILING//POOL BOILING//CRITICAL HEAT FLUX
10 3191 DEWATERING//SLUDGE DEWATERING//SLUDGE DRYING

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