information about Petroleum industry field
Field Hierarchy
Parent | |||
---|---|---|---|
Biology 35.1M papers | Engineering 24.2M papers | Geology 9.2M papers | Environmental science 7.8M papers |
Paleontology 5.3M papers | Environmental engineering 958k papers | ||
Current | |||
Petroleum industry 26.2k papers | |||
Child | |||
Midstream 1,780 papers | Natural gas industry 1,358 papers |
Trends
Field Trends