Forbes - The world’s biggest oil companies put in a pretty pathetic performance in the second quarter of 2011. Not in terms of earnings — those were great, with Exxon posting $10.7 billion and Royal Dutch Shell doing $8 billion. Just what you’d expect with Brent crude at a lofty $120 a barrel. Where the results were disappointing was in the barrels. Of the 16 big U.S. and European oil companies studied by Deutsche Bank analyst Paul Sankey, 14 of them saw their production of petroleum decline in the quarter. Collectively, the drop amounted to 12% of total liquids volumes, or 1.2 million bpd. Their average output for the quarter totalled, 14.67 million bpd. Even excluding the effect of Libya’s issues, the decline was 8%. Only Exxon and Shell managed 1% volume gains in liquids. Read on at Forbes