The brisk pace of US production, now the world’s largest, in the past few years has been a key factor behind the relative weakness in oil prices, Reuters reported.
Output has slowed recently, however.
“We are seeing declining activity in US shale oil production. Though there have been gains, these are lower than in previous years ... This is a trend,” Novak told reporters.
Goldman Sachs has wound back its forecast for growth in US shale oil output in 2020, and trimmed its outlook for growth in global oil demand next year.
“It is likely that in the near future, if the forecasts come to fruition, we will see a plateau in (US oil) production within the next few years,” Novak said.
The Organization of the Petroleum Exporting Countries, Russia and other producers, an alliance known as OPEC+, have since January implemented a deal to cut oil output by 1.2 million barrels per day to support the market.