information about Petroleum field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 36.7M papers | Chemistry 29.4M papers | Organic chemistry 13.1M papers | Geology 10.6M papers |
Paleontology 5.6M papers | |||
| Current | |||
Petroleum 100k papers | |||
| Child | |||
Reservoir engineering 12.1k papers | Energy source 11.6k papers | Shale oil 6,818 papers | Well stimulation 6,194 papers |
Petroleum product 5,516 papers | Petroleum exploration 5,479 papers | Oil in place 5,181 papers | Oil reserves 3,419 papers |
Petroleum geology 1,871 papers | Oil shale gas 1,597 papers | ||
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