Well integrity: Myth versus facts

Anti-fracking activists frequently claim that shale wells have excessively high failure rates.

In reality, well failure rates are exceedingly low. 

Fact: A typical well is comprised of about seven layers of thick steel and cement, each of which has a specific role in protecting groundwater.

Fact: For a well to leak every one of those layers would have to break and fail. Such instances are extremely rare.

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