Home›Drilling technology›Top drive🌐EnglishEnglishDeutschEspañolFrançaisРусскийفارسی中文EntityQ1054860· pop 8· linked from 10 articlesTop drivemechanical device used to turn a drill stringAvailable in 8 languagesEspañolFrançaisDeutsch中文РусскийUkrainianفارسیvia Wikidata sitelinks · CC0ConnectionsInternational Organization for StandardizationEntityboreholeEntityCategoriesDrilling technologyOilfield terminologyPetroleum engineering