I-rotary blowout preventer ifakwe phezu kwe-BOP yonyaka. Ngesikhathi sokumba okulinganiselayo kanye neminye imisebenzi yokumba ingcindezi, kufeza inhloso yokuphambukisa ukugeleza ngokuvala intambo yokubhoboza ephendukayo. Uma isetshenziswa ngokuhambisana ne-BOP yokubhoboza, amavalvu okuhlola izintambo zokubhola, izihlukanisi zegesi kawoyela, namayunithi okuhosha, kuvumela ukubhola okucindezelwe okuphephile nokusebenza kokuncisha. Idlala indima ebalulekile emisebenzini ekhethekile njengokukhulula uwoyela onengcindezi ephansi izendlalelo zegesi, ukubhoboza okungavuzi, ukubhoboza komoya, kanye nokulungiswa kwemithombo egwazayo.