Pedzisa mutsara unotevera: Nhasi uno mafuta anorasika mumakungwa anenge 3 kubva muzana anorasika mumakungwa. Kuputika kukuru kwemahombekombe emafuta kunowanzoitika somugumisiro wokuputika. Dzinogona kupfuurira kwemwedzi yakawanda kusvikira matsime okudzivirira avhurwa, zvichiguma nokubuda kwemafuta akawanda. Mienzaniso inokosha yekurasika kwemafuta kwakadaro ndeiyi
Deepwater Horizon neIxtoc I. Nepo unyanzvi hwokuchera mumvura yakadzika hwakavandudzika zvikuru mumakore 30-40 apfuura, makambani emafuta anoenda kunzvimbo dzokuchera munzvimbo dzinoramba dzichiwedzera kuoma. Iyi fambiro mberi isinganzwisisiki inoguma pasina muitiro wakajeka pamusoro pehuwandu hwekudonha kwepuraneti yemafuta ekunze.