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hypersoar
This story was posted not long ago (http://news.ycombinator.com/item?id=1608302). Also, Halliburton has not been awarded the patent. They have only submitted the application.
grg
Yes, this story is very old. Look at the comments: they're from 2008!

It's good to know they weren't awarded the patent.

lotusleaf1987
What is the best way to know if it has already been submitted? Just googling it? Oh well, hopefully a few people who didn't catch it the first time got a chance to read it.