Unconventional oil

https://www.wikidata.org/wiki/Q1147488

Field Hierarchy

Parent
Biology 36M papers	Chemistry 28.9M papers	Engineering 25M papers	Organic chemistry 12.9M papers
Geology 10.4M papers	Ecology 8.1M papers	Paleontology 5.5M papers	Waste management 1.6M papers
Fossil fuel 100k papers		Oil shale 62.9k papers
Current
Unconventional oil 7,606 papers
Child
Oil shale gas 1,573 papers	Shale oil extraction 1,489 papers	Shell in situ conversion process 1,195 papers	Synthetic crude 1,112 papers

Trends

Notes

History