PARKER DRILLING CO <PKD> 2ND QTR FEB 28 LOSS Shr loss 70 cts vs loss 57 cts Net loss 20,616,000 vs loss 16,854,000 Revs 23.1 mln vs 60.1 mln Six mths Shr loss 1.38 dlrs vs loss 1.02 dlrs Net loss 40,780,000 vs loss 29,996,000 Revs 61.0 mln vs 114.9 mln