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 |
|---|---|---|---|
| 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 |
| 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 | PROGRESSING CAVITY PUMP | authKW | 951457 | 4% | 80% | 4 |
| 2 | MOVING CORE IN CONCENTRIC ANNULI | authKW | 891992 | 3% | 100% | 3 |
| 3 | SUCKER ROD PUMP | authKW | 891992 | 3% | 100% | 3 |
| 4 | SUCKER ROD STRING | authKW | 668993 | 3% | 75% | 3 |
| 5 | COILED TUBING | address | 594662 | 2% | 100% | 2 |
| 6 | POWER SYST ITS AUTOMAT | address | 594662 | 2% | 100% | 2 |
| 7 | BEAM PUMPING UNIT | authKW | 396440 | 2% | 67% | 2 |
| 8 | TURBULENT COUETTE FLOW | authKW | 334493 | 3% | 38% | 3 |
| 9 | 712TH | address | 297331 | 1% | 100% | 1 |
| 10 | ADAPTIVE FILTER MATRIX | authKW | 297331 | 1% | 100% | 1 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Engineering, Petroleum | 26090 | 50% | 0% | 53 |
| 2 | Energy & Fuels | 1803 | 42% | 0% | 45 |
| 3 | Thermodynamics | 264 | 13% | 0% | 14 |
| 4 | Engineering, Mechanical | 159 | 13% | 0% | 14 |
| 5 | Mechanics | 157 | 14% | 0% | 15 |
| 6 | Engineering, Chemical | 154 | 17% | 0% | 18 |
| 7 | Engineering, General | 147 | 9% | 0% | 10 |
| 8 | Mathematics, Interdisciplinary Applications | 56 | 6% | 0% | 6 |
| 9 | Geosciences, Multidisciplinary | 24 | 7% | 0% | 7 |
| 10 | Automation & Control Systems | 5 | 2% | 0% | 2 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | COILED TUBING | 594662 | 2% | 100% | 2 |
| 2 | POWER SYST ITS AUTOMAT | 594662 | 2% | 100% | 2 |
| 3 | 712TH | 297331 | 1% | 100% | 1 |
| 4 | CHARTERED ENGN | 297331 | 1% | 100% | 1 |
| 5 | CHINA RAILWAY ROLLING STOCK CORP CRRC | 297331 | 1% | 100% | 1 |
| 6 | COILED TUBING CONVEYED FRACTURING SYST | 297331 | 1% | 100% | 1 |
| 7 | COILED TUBING EXTENDED REACH FRACTURING PLICA | 297331 | 1% | 100% | 1 |
| 8 | E IL | 297331 | 1% | 100% | 1 |
| 9 | PETR ELECT ENGN | 297331 | 1% | 100% | 1 |
| 10 | SCI COUNCIL PROBLEMS GEOTHERMY | 297331 | 1% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | WORLD OIL | 68186 | 5% | 5% | 5 |
| 2 | SPE PRODUCTION & OPERATIONS | 49949 | 8% | 2% | 9 |
| 3 | SPE PRODUCTION & FACILITIES | 22792 | 5% | 2% | 5 |
| 4 | JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 16075 | 13% | 0% | 14 |
| 5 | SPE JOURNAL | 10794 | 7% | 1% | 7 |
| 6 | JOURNAL OF PETROLEUM TECHNOLOGY | 9113 | 6% | 1% | 6 |
| 7 | JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY | 4613 | 5% | 0% | 5 |
| 8 | INGENIERIA E INVESTIGACION | 2521 | 2% | 0% | 2 |
| 9 | CT&F-CIENCIA TECNOLOGIA Y FUTURO | 2435 | 1% | 1% | 1 |
| 10 | JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING | 1289 | 3% | 0% | 3 |
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 |