I am not sure how cash flow was calculated but, without explanation, the comparisons do not make a lot of sense. One example - in 2007 with an avg crude price on the order of $70, Shell had a cash flow of about 34B. What would make it about 2.2B (according to this article)?
Without further info., not sure I can put much into this analysis.
Big Oil: Dark Skies Ahead? [View article]
Big Oil: Dark Skies Ahead? [View article]
Without further info., not sure I can put much into this analysis.