How to pronounce “wellhead” in English

inside bodies, along with some other people who joined him in this work. But eventually he put divers down to 400 feet,left them there for a month, and they went out and did work on dummy oil wellheads that was broadcast by primitive television into the boardrooms of oil companiesto show these guys that they could put oil rigs in 400 feet of water. It was a phenomenal breakthrough and these experiments were called Con Shelf One, Two, and Three.