What Are Proved Reserves Worth? (PXD,UNT,CXO,DNR)
www.investopedia.com/.../what-are-proved-reserves-worth-pxd-unt-cxo-...
Feb 9, 2011 - The value of proved reserves can fluctuate based on the commodity prices ... an oil price of $74.36 per barrel and $4.29 per Mcf for natural gas.
(I've always worked on about $A650M/1 tcf)