This article was written in 2008 and it was similar situation as today posted on Boston.com
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No profits, no oil"
http://www.boston.com/bostonglobe/editorial_opinion/oped/articles/2008/06/04/no_profits_no_oil/
"Oil is a boom-and-bust business. Sometimes profits soar. Sometimes there are no profits. Today a barrel of light sweet crude fetches more than $125, but it wasn't that long ago that the price fell below $20 - with, for many, excruciating results.
"I worked for a large oil company in the early '80s," a reader wrote to me the last time Congress and the media were in a swivet over oil-company earnings. "I lost my job, along with 150,000 other engineers and geologists, when the price of oil dropped from $36/barrel to $10/barrel in six months."
The hope of reaping big profits is the incentive that impels Exxon, Chevron, and other oil companies to take enormous risks and spend immense sums - a single offshore drilling platform can cost as much as $1 billion - to discover, extract, and refine new supplies of petroleum. Profits earned in the boom years make it possible for the industry to persevere through the bad years. Diminish those profits and you diminish that perseverance - oil companies won't invest as much, won't explore as much, and won't produce as much.
If you want to see a real windfall, take a look at what Big Oil pays in taxes. The 27 largest US energy companies forked over $48 billion in income taxes in 2004, $67 billion in 2005, and more than $90 billion in 2006 - an 87 percent increase. Since 1981, the Tax Foundation calculates, the oil industry has earned a cumulative $1.12 trillion in profits - but it paid a cumulative $1.65 trillion in taxes (add another half-trillion to account for taxes paid to foreign governments).
For most of the 25 years between 1981 and 2006, says foundation president Scott Hodge, taxes collected from oil companies by federal, state, and local governments were nearly double the industry's profits in any given year. For all the clucking over ExxonMobil's $10.9 billion in profits last quarter, little attention was paid to its total tax bill in the same period: more than $29 billion. "