information about Petroleum field
Field Hierarchy
Parent | |||
---|---|---|---|
Chemistry 21.9M papers | Biology 21M papers | Organic chemistry 5.9M papers | Geology 5.4M papers |
Paleontology 2.3M papers | |||
Current | |||
Petroleum 88.5k papers | |||
Child | |||
Energy source 9,812 papers | Reservoir engineering 9,464 papers | Shale oil 5,747 papers | Petroleum product 5,375 papers |
Petroleum exploration 4,016 papers | Oil reserves 2,903 papers | Petroleum geology 2,549 papers | Oil in place 2,395 papers |
Well stimulation 2,303 papers | Natural gas industry 1,619 papers |
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