information about Petroleum field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 34.8M papers | Chemistry 28.4M papers | Organic chemistry 12.8M papers | Geology 9.1M papers |
Paleontology 5.3M papers | |||
| Current | |||
Petroleum 93.8k papers | |||
| Child | |||
Reservoir engineering 11.9k papers | Energy source 11.2k papers | Well stimulation 6,129 papers | Shale oil 6,063 papers |
Petroleum product 5,437 papers | Oil in place 5,242 papers | Petroleum exploration 5,028 papers | Oil reserves 3,356 papers |
Petroleum geology 1,632 papers | Natural gas industry 1,356 papers | ||
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