US shale output won't return to pre-pandemic levels: Occidental CEO Toggle share menu Advertisement US shale output won't return to pre-pandemic levels: Occidental CEO The oil industry is recovering from a collapse in demand triggered by the coronavirus pandemic, but U.S. shale production will not recover to levels seen before the pandemic, Occidental Petroleum Chief Executive Vicki Hollub said on Tuesday. FILE PHOTO: Vicki Hollub, President and CEO of Occidental Petroleum, speaks at the 2019 Milken Institute Global Conference in Beverly Hills, California, U.S., April 29, 2019. REUTERS/Lucy Nicholson/File Photo 02 Mar 2021 11:50PM Share this content Bookmark NEW YORK: The oil industry is recovering from a collapse in demand triggered by the coronavirus pandemic, but U.S. shale production will not recover to levels seen before the pandemic, Occidental Petroleum Chief Executive Vicki Hollub said on Tuesday.