sealing cap

基本解释

The new sealing cap - similar to a smaller version of the damaged blow-out preventer - has three devices that are designed to shut the flow.
新的密封帽類似一個較小版本的損壞井噴防護裝置，有三個旨在關閉流量的裝置。
The oil giant said that the installation of a new sealing cap that is intended to capture more of the leaking oil from its well in the Gulf of Mexico is proceeding as planned.
這家石油巨頭表示，在按計劃更新控油罩，新控油罩將從墨西哥灣油井中收集更多原油。
"Over the next four to seven days, depending on how things go, we should get that sealing cap on. That's our plan," said Kent Wells, a BP senior vice president, of the round-the-clock operation.
英國石油公司高級副縂裁肯特·威爾說：“在接下來的四至七天時間裡，最關鍵的是我們必須按計劃安裝好新的防漏帽。”

In addition, the sealing cap will assist in the eventual killing of the oil.
WHITEHOUSE: Press Briefing
The Helix Producer, which was -- is not related to the sealing cap -- was coming online separately.
WHITEHOUSE: Press Briefing
So the sealing cap -- and I should stress here that this is not related to the containment architecture.
WHITEHOUSE: Press Briefing