🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsРусскийالعربيةفارسی日本語EntityQ972635· pop 12· linked from 334 articlesChristmas treeassembly of valves, spools, and fittings used to regulate the flow of pipes in an oil wellWikidata factsImageProttes Ekreuz1.jpgvia Wikidata · CC0Available in 11 languagesEspañolFrançaisDeutschРусскийPortuguêsItalianoالعربيةUkrainianUzbekConnectionsoil wellEntityBig OilEntityCategoriesOil wellsPetroleum production