[Smokin' Joe]

Frack'd wells can be restarted without significant production costs when prices rise, as they inevitably will.

I'm not sure where you get that, but I'd sure like to know.

All fraccing does is open up fractures in the formation. It does not free it from other reservoir problems inherent in any porosity in rock. If those pores are blocked when you shut the well in, you're are at best going to have to re-do the frac job, and that isn't cheap, nor will it be as effective the second time because the staging cannot be as precisely controlled. Go ahead, try running packers in a (now) perforated liner, after the perf guns have been through it.

[thackney]

Thanks for posting that Joe.

I’ve seen the claim before but found nothing to support or deny it.

[FredZarguna]

http://www.freerepublic.com/focus/news/3232704/posts which refers to a number of articles, among them also here: http://www.theoildrum.com/node/5757.

I should specifically have referred to horizontal wells typical of shale oil production.