Current price levels, and connected prices for natural gas, "significantly undermine the economy of shale and LNG (liquified natural gas) export projects from the United States," said Zubkov, a former Russian prime minister.
He said the current price level was "not normal" and that a "golden middle" would be preferable.
"Prices should not be too high or too low," he told the Saudi-based forum, which brings together 74 oil and gas producer, consumer and transit nations.
U.S. benchmark West Texas Intermediate (WTI) for March delivery slid 10 cents to $49.92 a barrel on Wednesday.
Brent North Sea crude for March dropped 59 cents to $55.84 a barrel in London.
On Tuesday the International Energy Agency, another body that works for global energy security, said crude prices will recover from the $50-$60 range but will stay well below $100.
The IEA sees U.S. shale oil production growth slowing to a trickle this year, but quickly bouncing back to post a 50 percent rise from 2014 levels.