XML 76 R61.htm IDEA: XBRL DOCUMENT v3.5.0.1
Oil and Gas Reserve Data (Unaudited) - Schedule of Changes in Proved Reserves (Details)
12 Months Ended
Mar. 31, 2016
Mcf
bbl
Mar. 31, 2015
bbl
Mar. 31, 2014
bbl
Revision of previous estimates | Mcf (1,441,324)    
Oil [Member]      
Developed and Undeveloped Reserves Beginning Period 660,000 502,000 366,000
Revision of previous estimates (13,000) (90,000) 12,000
Purchase of minerals in place 43,000 50,000
Extensions and discoveries 479,000 235,000 101,000
Sales of minerals in place (3,000)
Production (39,000) (30,000) (27,000)
Developed and Undeveloped Reserves Ending period 1,084,000 660,000 502,000
Natural Gas [Member]      
Developed and Undeveloped Reserves Beginning Period 6,289,000 6,259,000 7,844,000
Revision of previous estimates (736,000) (665,000) (1,404,000)
Purchase of minerals in place 795,000 18,000
Extensions and discoveries 665,000 269,000 163,000
Sales of minerals in place (9,000)
Production (408,000) (369,000) (362,000)
Developed and Undeveloped Reserves Ending period 5,801,000 6,289,000 6,259,000