Casing

https://www.wikidata.org/wiki/Q5048830

Field Hierarchy

Parent
Physics 31.7M papers	Engineering 23.9M papers	Geology 9.1M papers	Mechanical engineering 5.3M papers
Petroleum engineering 466k papers		Geophysics 428k papers
Current
Casing 31.7k papers
Child
Gravimeter 3,930 papers

Trends

Notes

History