The Stanine system of the Cogat scores on the other hand, is similar to a Grade Point Average, being assigned on a nine-point scale. Stanine range from 1 to 3 indicates a below average score, 4 to 6 represents an average performance and 7 to 9 signifies good results.
US oil and gas reserves study | 11. Production costs US â production costs ($ per boe) (a) 2009 2010 2011 2012 2013 3-year 5-year $ 11.06 $ 12.12 $ 14.44 $ 14.74 $ 14.84 $ 14.68 $ 13.55 (a) Includes the 50 largest companies based on 2013 end-of-year oil and gas reserve estimates.
If each well produces less, then the costs are higher. Based on the costs of some of the conventional natural gas fields Iâve looked at, I think that the average cost will vary between $0.75 to $2.00 per mcf for most large conventional natural gas fields.