Class information for: |
Basic class information |
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 |
| 392 | 3 | GEOPHYSICS//GEOPHYSICAL PROSPECTING//GEOCHEMISTRY & GEOPHYSICS | 32579 |
| 427 | 2 | GEOPHYSICS//GEOPHYSICAL PROSPECTING//GEOCHEMISTRY & GEOPHYSICS | 16715 |
| 13196 | 1 | HYDRAULIC FLOW UNIT//WELL LOGS//WELL LOG DATA | 885 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | HYDRAULIC FLOW UNIT | authKW | 429871 | 1% | 93% | 13 |
| 2 | WELL LOGS | authKW | 421439 | 4% | 31% | 38 |
| 3 | WELL LOG DATA | authKW | 384582 | 2% | 60% | 18 |
| 4 | FLOW ZONE INDICATOR | authKW | 284886 | 1% | 100% | 8 |
| 5 | RESERVOIR CHARACTERIZATION | authKW | 284039 | 4% | 21% | 38 |
| 6 | CONVENTIONAL WELL LOGS | authKW | 249275 | 1% | 100% | 7 |
| 7 | NUCLEAR MAGNETIC RESONANCE NMR LOGS | authKW | 213664 | 1% | 100% | 6 |
| 8 | ELECTROFACIES | authKW | 183127 | 1% | 43% | 12 |
| 9 | PERMEABILITY PREDICTION | authKW | 165714 | 1% | 42% | 11 |
| 10 | PETROPHYSICAL LOGS | authKW | 158625 | 1% | 64% | 7 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Engineering, Petroleum | 95960 | 33% | 1% | 294 |
| 2 | Energy & Fuels | 12486 | 39% | 0% | 343 |
| 3 | Geosciences, Multidisciplinary | 8971 | 37% | 0% | 329 |
| 4 | Geochemistry & Geophysics | 3469 | 18% | 0% | 157 |
| 5 | Mining & Mineral Processing | 2415 | 6% | 0% | 49 |
| 6 | Engineering, Chemical | 933 | 15% | 0% | 130 |
| 7 | Computer Science, Interdisciplinary Applications | 350 | 6% | 0% | 53 |
| 8 | Computer Science, Artificial Intelligence | 143 | 4% | 0% | 35 |
| 9 | Mathematics, Interdisciplinary Applications | 104 | 3% | 0% | 26 |
| 10 | Geology | 63 | 1% | 0% | 12 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ABADAN PETR ENGN | 97633 | 3% | 11% | 24 |
| 2 | KHARG BRANCH | 81393 | 0% | 57% | 4 |
| 3 | SOUTHWEST OIL GAS FIELD BRANCH CO | 80123 | 0% | 75% | 3 |
| 4 | PETR ENGN | 64185 | 12% | 2% | 108 |
| 5 | PETROPHYS | 51310 | 1% | 21% | 7 |
| 6 | PROGRAMA ESTRATEG MATEMAT LICADAS COMP | 47480 | 0% | 67% | 2 |
| 7 | PETR MINERALS | 42887 | 1% | 12% | 10 |
| 8 | ADV PETROPHYS | 35611 | 0% | 100% | 1 |
| 9 | BEIJING CITY EARTH PROSPECTING INFORMAT | 35611 | 0% | 100% | 1 |
| 10 | CARBONATE STRATIG TEAM | 35611 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 141463 | 14% | 3% | 120 |
| 2 | SPE RESERVOIR EVALUATION & ENGINEERING | 59970 | 5% | 4% | 44 |
| 3 | JOURNAL OF APPLIED GEOPHYSICS | 18654 | 4% | 2% | 35 |
| 4 | PETROLEUM SCIENCE AND TECHNOLOGY | 18325 | 5% | 1% | 40 |
| 5 | COMPUTERS & GEOSCIENCES | 16871 | 5% | 1% | 45 |
| 6 | JOURNAL OF GEOPHYSICS AND ENGINEERING | 15788 | 2% | 2% | 20 |
| 7 | PETROPHYSICS | 12218 | 1% | 3% | 10 |
| 8 | JOURNAL OF PETROLEUM GEOLOGY | 11127 | 2% | 2% | 16 |
| 9 | JOURNAL OF PETROLEUM TECHNOLOGY | 10922 | 2% | 2% | 19 |
| 10 | PETROLEUM GEOSCIENCE | 10147 | 2% | 2% | 14 |
Author Key Words |
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 |