🌐日本語EnglishDeutschPortuguêsالعربيةفارسی中文日本語EntityQ5048830· pop 5· linked from 80 articlesケーシング (掘削)pipe inserted into a boreholeAvailable in 5 languagesDeutsch中文Portuguêsفارسیvia Wikidata sitelinks · CC0Connectionsoil wellEntitydrilling fluidEntityCategoriesBoreholesDrilling technologyOil wells