Oil and Gas Costs

12 Months Ended

Mar. 31, 2013

Extractive Industries [Abstract]

Oil and Gas Costs

9. Oil and Gas Costs

The costs related to our oil and gas activities were incurred as follows for the year ended March 31:

		2013	2012	2011
Property acquisition costs:
	Proved	$      20,542	$      368,444	$    2,147,892
	Unproved	-	-	-
Exploration		15,715	9,910	29,292
Development		1,265,126	1,455,993	394,381
Capitalized asset retirement obligations		114,003	53,468	25,043
	Total costs incurred for oil and gas properties	$  1,415,386	$  1,887,815	$  2,596,608

We had the following aggregate capitalized costs relating to our oil and gas property activities at March 31:

		2013	2012	2011
Proved oil and gas properties		$34,138,841	$31,669,572	$30,256,330
Unproved oil and gas properties:
	subject to amortization	170,487	170,487	170,487
	not subject to amortization	-	-	-
		34,309,328	31,840,059	30,426,817
Less accumulated DD&A		17,249,803	16,154,203	15,161,524
		$17,059,525	$15,685,856	$15,265,293

DD&A amounted to $2.03, $1.94 and $1.87 per mcfe of production for the years ended March 31, 2013, 2012 and 2011, respectively.