Marathon Oil, Oxy, Diamondback eye 2021 oil production flat with Q4 exit rate By admin Posted February 23, 2021 In In the News Marathon Oil, Oxy, Diamondback eye 2021 oil production flat with Q4 exit rate2021-02-232021-02-23/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px Marathon Oil, Occidental Petroleum and Diamondback Energy all plan to keep their 2021 oil production…