Mexican oil production has experienced a precipitous decline, from a level of 3.4 million barrels per day (bpd) in 2004 to a recent 2.55 million bpd.

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For example, it is generally expected that films with a larger number of stars in them, actors with ample prior successes, and an experienced production team will do better at the box office.

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In 2005 BP's Thunder Horse production platform in the Gulf experienced equipment problems that required high repair costs and set back production for three years.

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Exxon's oil production slipped 1 percent as its oil fields experienced natural declines from peak production.

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S. states, such as North Dakota, have experienced staggering job growth and revenue gains on the shoulders of encouraging hydrocarbon production (from private and state-controlled lands).

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The experienced management of American Eagle Energy has extensive oil exploration, development and production expertise, focusing in recent years on exploiting oil-prone formations in the Northern Rockies and Bakken Resources.

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While possibilities abound, commodity markets have a tendency to swing violently and wreck havoc on the portfolios of the experienced and inexperienced investor alike. (Read Petrobras To Focus On Brazilian Production To Outstrip Exxon Atop Oil Markets, Says CFO).

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