Class information for:
Level 1: HYDRAULIC FRACTURING//HYDRAULIC FRACTURE//NATURAL FRACTURE

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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
123 3       ENGINEERING, GEOLOGICAL//JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING//ENGINEERING, PETROLEUM 69565
426 2             INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES//ROCK MECHANICS AND ROCK ENGINEERING//ENGINEERING, GEOLOGICAL 16748
7995 1                   HYDRAULIC FRACTURING//HYDRAULIC FRACTURE//NATURAL FRACTURE 1330

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYDRAULIC FRACTURING authKW 2660608 24% 35% 323
2 HYDRAULIC FRACTURE authKW 1822565 10% 56% 137
3 NATURAL FRACTURE authKW 371516 2% 56% 28
4 FRACTURE PROPAGATION authKW 329620 3% 35% 40
5 PROPPANT authKW 284859 2% 52% 23
6 LEAK OFF authKW 221146 1% 67% 14
7 FRACTURE INTERACTION authKW 174480 1% 82% 9
8 SPE PRODUCTION & OPERATIONS journal 171023 4% 12% 59
9 PROPPANT TRANSPORT authKW 157961 1% 67% 10
10 FRACTURE CONDUCTIVITY authKW 156790 1% 44% 15

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Petroleum 139130 33% 1% 434
2 Engineering, Geological 20366 15% 0% 198
3 Energy & Fuels 13420 33% 0% 438
4 Mining & Mineral Processing 10977 10% 0% 127
5 Mechanics 3149 18% 0% 234
6 Engineering, Chemical 2864 20% 0% 270
7 Geosciences, Multidisciplinary 2391 16% 0% 218
8 Engineering, General 486 5% 0% 68
9 Geochemistry & Geophysics 247 4% 0% 59
10 Mathematics, Interdisciplinary Applications 243 4% 0% 47

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SHALE GAS GEOENGN 86342 2% 15% 24
2 PETR ENGN 76956 11% 2% 145
3 EPFL ENAC IIC GEL 47390 0% 100% 2
4 PETR GEOSYST ENGN 34406 3% 4% 35
5 PETR EXPLORAT DEV LANGFANG 32903 0% 28% 5
6 DRILLING WELL CONTROL PROGRAM 31592 0% 67% 2
7 NAT GAS ECON 31592 0% 67% 2
8 STATE OIL GAS ERVOIR GEOL EXPLOITA 31574 4% 3% 47
9 LOCAL JOINT ENGN GAS DRAINAGE COMPLEX 31171 0% 26% 5
10 BEIJING DADI SPECIF EXPLORAT BRANCH 23695 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPE PRODUCTION & OPERATIONS 171023 4% 12% 59
2 SPE PRODUCTION & FACILITIES 88976 3% 11% 35
3 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 78813 6% 4% 83
4 JOURNAL OF PETROLEUM TECHNOLOGY 54523 4% 4% 52
5 JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 47139 6% 2% 85
6 JOURNAL OF MINING SCIENCE 46174 4% 4% 48
7 SPE JOURNAL 37106 3% 3% 46
8 SOCIETY OF PETROLEUM ENGINEERS JOURNAL 30983 2% 6% 23
9 INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES & GEOMECHANICS ABSTRACTS 26217 2% 6% 20
10 ROCK MECHANICS AND ROCK ENGINEERING 25720 3% 3% 42

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HYDRAULIC FRACTURING 2660608 24% 35% 323 Search HYDRAULIC+FRACTURING Search HYDRAULIC+FRACTURING
2 HYDRAULIC FRACTURE 1822565 10% 56% 137 Search HYDRAULIC+FRACTURE Search HYDRAULIC+FRACTURE
3 NATURAL FRACTURE 371516 2% 56% 28 Search NATURAL+FRACTURE Search NATURAL+FRACTURE
4 FRACTURE PROPAGATION 329620 3% 35% 40 Search FRACTURE+PROPAGATION Search FRACTURE+PROPAGATION
5 PROPPANT 284859 2% 52% 23 Search PROPPANT Search PROPPANT
6 LEAK OFF 221146 1% 67% 14 Search LEAK+OFF Search LEAK+OFF
7 FRACTURE INTERACTION 174480 1% 82% 9 Search FRACTURE+INTERACTION Search FRACTURE+INTERACTION
8 PROPPANT TRANSPORT 157961 1% 67% 10 Search PROPPANT+TRANSPORT Search PROPPANT+TRANSPORT
9 FRACTURE CONDUCTIVITY 156790 1% 44% 15 Search FRACTURE+CONDUCTIVITY Search FRACTURE+CONDUCTIVITY
10 STIMULATED RESERVOIR VOLUME 149799 1% 45% 14 Search STIMULATED+RESERVOIR+VOLUME Search STIMULATED+RESERVOIR+VOLUME

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 1


rank cluster_id2 link
1 38094 DEGASSING HOLE//PRELIMINARY METHANE DRAINAGE//VIBRATIONAL IMPACT
2 11879 ENHANCED GEOTHERMAL SYSTEMS//INDUCED SEISMICITY//HOT DRY ROCK
3 3530 SHALE GAS//JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING//LONGMAXI FORMATION
4 13118 IN SITU STRESS//BOREHOLE BREAKOUT//INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
5 16279 CRACK SEAL//JOURNAL OF STRUCTURAL GEOLOGY//FIBROUS VEINS
6 35423 ASPHALT DEPOSITION//BETA NAPHTHOL PHOTODEGRADATION//COUPLED HEAT CONDUCTION AND ADVECTION
7 5311 EXTENDED FINITE ELEMENT METHOD//XFEM//X FEM
8 20666 LOST CIRCULATION//SPE DRILLING & COMPLETION//WELLBORE STRENGTHENING
9 2626 INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES//ROCK MECHANICS AND ROCK ENGINEERING//ENGINEERING, GEOLOGICAL
10 15014 WELLBORE STABILITY//POROMECH//BOREHOLE STABILITY

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