Databases of the PETROLEUM Cluster
| CAPLUS | ||
| The Chemical Abstracts Plus file | ||
| CBNB | ||
| The Chemical Business NewsBase | ||
| CIN | ||
| Chemical Industry Notes | ||
| COMPENDEX | ||
| Computerized Engineering Index and El Engineering Meetings | ||
| ENCOMPLIT / ENCOMPLIT2 | ||
| API EnCompass literature file | ||
| ENCOMPPAT / ENCOMPPAT2 | ||
| API EnCompass Patent Database | ||
| GEOREF | ||
| Geological Reference file | ||
| IFIPAT | ||
| The IFI Patent database | ||
| INSPEC | ||
| Information Service for Physics, Electronics, and Computing | ||