You are correct butcherboy. Those are some of the main benefits,...

You are correct butcherboy. Those are some of the main benefits, including that the fraccing should be easier.

If any of you want a good summary of the rationale (and the many potential benefits) behind using the HEWI model, you can find it in Petratherm's 2006 Annual Report (which is available on their website under News, Reports, + Annual Report 05-06). It is explained quite well on page 10 under the heading "HEWI Model - Explained". The Chairman's Report from Derek Carter on page 5 is also quite informative (although now a little out of date of course).

To me, the HEWI model makes a lot of sense, and is one of the main reasons I've been (and continue to be) a long-term holder of PTR...

Rgds, W.