3,202,345                3,997,710      Accumulated depletion expense 989,713            1,200,652  Impairment 137,732            219,539  Net capitalized cost  2,074,900            2,577,519   Results of Operations Results of operations for oil and gas producing activities during the years ended are as follows   October 31, 2011 October 31, 2010 Revenues  1,241,015            657,929      Production costs 183,743            96,267  Depletion and accretion 344,932            220,078  Results of operations 