🌐EnglishEnglishDeutschFrançaisItalianoNederlandsPolskiРусский中文日本語EntityQ885507· pop 11· linked from 83 articlesblowout preventerlarge, specialized valve or similar mechanical device, used to seal, control and monitor oil and gas wells to prevent blowoutConnectionsoil wellEntityremotely operated underwater vehicleEntityCategoriesAmerican inventionsDrilling technologyIndustrial equipmentIndustrial safety devicesOil wellsPetroleum productionSafety valves