MCO RESOURCES INC <MCR> 4TH QTR LOSS Shr loss 1.37 dlrs vs 1.59 dlrs Net loss 38.6 mln vs 42.5 mln Revs 31.4 mln vs 59.4 mln Note: 1986 net includes pretax writedown of 23 mln on oil and gas properties and a 30.3 mln non-cash provision for impairment of geothermal property.