information about Petroleum industry field
Field Hierarchy
Parent | |||
---|---|---|---|
Biology 36M papers | Engineering 24.9M papers | Geology 9.5M papers | Environmental science 8.1M papers |
Paleontology 5.5M papers | Environmental engineering 982k papers | ||
Current | |||
Petroleum industry 26.8k papers | |||
Child | |||
Midstream 1,834 papers | Natural gas industry 1,377 papers |
Trends