If the word fracking has carved out a spot in the lexicon of Americans as the nation advances toward energy independence, then refracking, as roughnecks have begun calling it, could be next. And for an industry that has been hammered by the 50 percent drop in crude prices over the past year, the finding on the technique’s potential — at a fraction of the cost of the initial well — provides a much-needed sense of hope.

The risks abound — from inadvertently siphoning oil from an adjacent well to ruining a whole reservoir — and the sample size so far isn’t big enough to be conclusive, but oil giants like Marathon Oil Corp. and ConocoPhillips aren’t waiting to incorporate refracking into their shale operations.

The Octofrac

Mike Vincent, a well-completion engineer who teaches the technique to industry workers, said he’s been overwhelmed by the sudden interest in the class. He even had to abandon plans he had been making to spend a week fly-fishing in the Rocky Mountains over the summer. “I’m booked every week teaching refrack classes out to November,” said Vincent, who runs a Denver-based firm called Insight Consulting. “It’s amazing how much passion there is.”

Read the article “Refracking Is the New, Lower-Cost Fracking” on bloomberg.com.