CONVEST ENERGY PARTNERS LTD <CEP> 4TH QTR LOSS Shr loss 2.65 dlrs vs loss 2.31 dlrs Net loss 14.3 mln vs loss 12.5 mln Revs 2,887,000 vs 5,321,000 Year Shr loss 4.38 dlrs vs loss 2.50 dlrs Net loss 23.7 mln vs loss 13.5 mln Revs 13.2 mln vs 22.4 mln NOTE: 1986 net includes oil and natural gas writedowns of 12.1 mln dlrs in quarter and 19.0 mln dlrs in year.