After a battery fire and several other mishaps over the past few days, two separate flights reported a cracked cockpit window and an oil leak on Friday.

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There will be a very small window of opportunity to buy oil at lower prices before the end of the year.

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As for random window cracks and fuel and oil leaks, Boeing can solve these kinds of problems without much difficulty, he says.

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Since July, the growing list of reported troubles aboard the planes include a fuel leak, an oil leak, two cracked engines, a damaged cockpit window and a battery problem.

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Troubles dating back just four months include reports of an oil leak, a fuel leak, engine cracks and a damaged cockpit window.

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The other process, still in use, is to cut a window in an old well's steel casing and then drill horizontally into the oil zone.

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