We produced 39 barrels of oil equivalent (boe) per $1,000 USD of capital employed in 2001, 20 boe by 2009, and a mere 8 boe by 2020. This ~80% decline in capital productivity (a metric that is not impacted by prices) over two decades along with highly aggressive spending have led to poor returns
ExxonMobil - Upstream Production (BOE) per thousand dollar of Upstream Capital Employed
2001 - 38.8
2005 - 27.9
2009 - 19.6
2013 - 10.0
2016 - 8.7
2020 - 7.9
Source: ExxonMobil 10-Ks. Upstream Productivity Calculated by Dividing Annual Oil Equivalent Production by Average Upstream Capital Employed
ReEnergize ExxonMobil Slide Deck page 39