- annular preventor
- Drilling: PUG
Универсальный русско-английский словарь. Академик.ру. 2011.
annular preventor
Смотреть что такое "annular preventor" в других словарях:
Blowout preventer — A blowout preventer (BOP) is a large valve that encases an oil well at surface. During drilling or well interventions, the valve may be closed if overpressure from an oil reservoir causes formation fluids such as oil and natural gas to back up… … Wikipedia
