The operating results for oil and gas producing activities as of October 31, 2011 and October 31, 2010 are as follows: Revenues 1,241,015, 657,929 Production costs, 183,743 96,267 Depletion and acceleration, 344,932 and 220,078 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.