All of the shale holdings? Or just one or two?
http://s03.static-shell.com/content/dam/shell-new/local/country/usa/downloads/onshore/onshore-assets-insert.pdf
The ones that matter.
http://powersource.post-gazette.com/business/2014/03/14/Shell-to-restructure-shale-assets-in-U-S/stories/201403140072
“”Some of our exploration bets have simply not worked out,” Shell’s CEO said.”
Scarcity. Embrace it.