Subsequently, I received a great comment that provided more explanation and background regarding fracking/completion technologies. Because some people may not read comments, I will post the part having to do specifically with the issue at hand (next paragraph). Before reading that, one should read the original post, the updates, and the comments (at the link above).
Now, the comment that provides a much fuller explanation:
There is more to the comment but that should be read at the original link to put it in context.
I will ask for everyone's patience if I continue to link Motley Fool stories in the future, but will emphasize again that they may not be the best source (or perhaps not even a source at all -- smile).