Goldman Sachs Head of Oil Research Daan Struyven says the global oil supply will keep growing. He says oil prices could drop by another $10 per barrel over the next year. He speaks on "Bloomberg Surveillance." -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http://www.bloomberg.com for business news & analysis, up-to-the-minute market data,