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 |
| 31917 | 1 | GAS LIFT//GAS ALLOCATION//GAS LIFT OPTIMIZATION | 159 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | GAS LIFT | authKW | 1022379 | 9% | 37% | 14 |
| 2 | GAS ALLOCATION | authKW | 991099 | 3% | 100% | 5 |
| 3 | GAS LIFT OPTIMIZATION | authKW | 991099 | 3% | 100% | 5 |
| 4 | LIFT GAS ALLOCATION | authKW | 594660 | 2% | 100% | 3 |
| 5 | HYDROFINING UNITS | authKW | 445993 | 2% | 75% | 3 |
| 6 | GAS LIFT ALLOCATION | authKW | 396440 | 1% | 100% | 2 |
| 7 | GAS LIFT PERFORMANCE CURVE | authKW | 396440 | 1% | 100% | 2 |
| 8 | GAS LIFT SYSTEMS | authKW | 396440 | 1% | 100% | 2 |
| 9 | GAS LIFTED WELLS | authKW | 396440 | 1% | 100% | 2 |
| 10 | ROUTING CONSTRAINTS | authKW | 396440 | 1% | 100% | 2 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Engineering, Petroleum | 18697 | 35% | 0% | 55 |
| 2 | Energy & Fuels | 2999 | 45% | 0% | 71 |
| 3 | Engineering, Chemical | 1561 | 42% | 0% | 66 |
| 4 | Operations Research & Management Science | 464 | 13% | 0% | 20 |
| 5 | Automation & Control Systems | 128 | 6% | 0% | 10 |
| 6 | Geosciences, Multidisciplinary | 97 | 10% | 0% | 16 |
| 7 | Computer Science, Interdisciplinary Applications | 55 | 6% | 0% | 9 |
| 8 | Materials Science, Characterization, Testing | 30 | 2% | 0% | 3 |
| 9 | Engineering, General | 29 | 4% | 0% | 6 |
| 10 | Engineering, Mechanical | 19 | 4% | 0% | 7 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | AUTOMAT SYST ENGN | 330340 | 9% | 11% | 15 |
| 2 | BTRF OPERAT SUPPORT | 198220 | 1% | 100% | 1 |
| 3 | CORROS MAT DEV | 198220 | 1% | 100% | 1 |
| 4 | DEV UPSTREAM PROC | 198220 | 1% | 100% | 1 |
| 5 | DRILLING PROD ENGN OIL GAS MANAGEMENT G | 198220 | 1% | 100% | 1 |
| 6 | EDINBURGH PETR SERV | 198220 | 1% | 100% | 1 |
| 7 | ELECT INFORMAT CUBERNET | 198220 | 1% | 100% | 1 |
| 8 | ERVOIR ENGN WORKING | 198220 | 1% | 100% | 1 |
| 9 | INFORMAT TECHNOL NEXT GENERAT | 198220 | 1% | 100% | 1 |
| 10 | N KUWAIT JURASS PROJECT | 198220 | 1% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | JOURNAL OF PETROLEUM TECHNOLOGY | 16879 | 6% | 1% | 10 |
| 2 | SPE PRODUCTION & OPERATIONS | 14793 | 4% | 1% | 6 |
| 3 | JOURNAL OF THE BALKAN TRIBOLOGICAL ASSOCIATION | 12535 | 4% | 1% | 7 |
| 4 | JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 10707 | 9% | 0% | 14 |
| 5 | JOURNAL OF ENERGY RESOURCES TECHNOLOGY-TRANSACTIONS OF THE ASME | 9596 | 6% | 1% | 9 |
| 6 | JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING | 7750 | 6% | 0% | 9 |
| 7 | SPE RESERVOIR ENGINEERING | 4660 | 1% | 1% | 2 |
| 8 | SPE RESERVOIR EVALUATION & ENGINEERING | 4307 | 3% | 0% | 5 |
| 9 | JOURNAL OF SYSTEMS ENGINEERING | 3602 | 1% | 2% | 1 |
| 10 | OIL GAS-EUROPEAN MAGAZINE | 2428 | 1% | 1% | 2 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | GAS LIFT | 1022379 | 9% | 37% | 14 | Search GAS+LIFT | Search GAS+LIFT |
| 2 | GAS ALLOCATION | 991099 | 3% | 100% | 5 | Search GAS+ALLOCATION | Search GAS+ALLOCATION |
| 3 | GAS LIFT OPTIMIZATION | 991099 | 3% | 100% | 5 | Search GAS+LIFT+OPTIMIZATION | Search GAS+LIFT+OPTIMIZATION |
| 4 | LIFT GAS ALLOCATION | 594660 | 2% | 100% | 3 | Search LIFT+GAS+ALLOCATION | Search LIFT+GAS+ALLOCATION |
| 5 | HYDROFINING UNITS | 445993 | 2% | 75% | 3 | Search HYDROFINING+UNITS | Search HYDROFINING+UNITS |
| 6 | GAS LIFT ALLOCATION | 396440 | 1% | 100% | 2 | Search GAS+LIFT+ALLOCATION | Search GAS+LIFT+ALLOCATION |
| 7 | GAS LIFT PERFORMANCE CURVE | 396440 | 1% | 100% | 2 | Search GAS+LIFT+PERFORMANCE+CURVE | Search GAS+LIFT+PERFORMANCE+CURVE |
| 8 | GAS LIFT SYSTEMS | 396440 | 1% | 100% | 2 | Search GAS+LIFT+SYSTEMS | Search GAS+LIFT+SYSTEMS |
| 9 | GAS LIFTED WELLS | 396440 | 1% | 100% | 2 | Search GAS+LIFTED+WELLS | Search GAS+LIFTED+WELLS |
| 10 | ROUTING CONSTRAINTS | 396440 | 1% | 100% | 2 | Search ROUTING+CONSTRAINTS | Search ROUTING+CONSTRAINTS |
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 |