The chilly commodity price environment could make 2015 a choppy year for oil producers, according to Travis Nichols, director, Investment Banking at Tudor, Pickering, Holt & Co. Reduced supply will bring prices back up, but it usually takes six to 12 months to "catch up." But there is good news: In the grand scheme of things, the current downward trend ranks "in the middle of the pack" compared to the past nine years, according to Nichols. "We've been here before."