America’s oil production will never again reach the record 13 million barrels a day set earlier this year, just before the pandemic devastated global demand, according to Occidental Petroleum Corp.

“It’s just going to be too difficult to replace the two million barrels a day of production that we’ve lost, and then to further grow beyond that,” Chief Executive Officer Vicki Hollub said Wednesday at the Energy Intelligence Forum. “Over the next three to four years there’s going to be moderate restoration of production, but not at high growth.”

Occidental is one of the biggest producers in the U.S. shale industry, which added wells at such a rate prior to the spread of COVID-19 that the country became the world’s top crude producer, overtaking Saudi Arabia and Russia, ushering in an era that President Donald Trump called “American energy dominance.”

Shale’s debt-fueled expansion came to a juddering halt due to lower gasoline demand and oil prices, but also because of Wall Street’s increasing reluctance to fund growth at any cost. Shale operators are increasingly prioritizing cash flow and returns to investors over production growth.

Occidental, which vies with Chevron Corp. to be the biggest producer in the Permian Basin, has been forced to throttle back capital spending, lower growth targets and cut its dividend in a bid to save cash during the downturn. Its finances were already severely challenged by the debt taken on through its US$37 billion purchase of rival Anadarko Petroleum Corp. last year.

Hollub said global consumption stands at about 94 billion barrels a day, and it will take a COVID-19 vaccine before it returns to 100 million barrels. Due to cutbacks around the world, supply and demand for oil will likely balance again by the end of 2021, she said.

Unlike some of her European peers, Hollub sees strong long-term demand for oil. “I expect we’ll get to peak supply before we get to peak demand,” she said.