Petroleum engineering

https://www.wikidata.org/wiki/Q1273174

Field Hierarchy

Parent
Engineering 25M papers		Geology 10.4M papers
Current
Petroleum engineering 498k papers
Child
Lens (geology) 165k papers	Oil field 43k papers	Hydraulic fracturing 33.9k papers	Casing 32.3k papers
Crude oil 26.9k papers	Enhanced oil recovery 24.4k papers	Zoom 20.3k papers	Oil spill 19.6k papers
Completion (oil and gas wells) 17.6k papers		Reservoir modeling 17.4k papers

Trends

Notes

History