WESTERN CO OF NORTH AMERICA <WSN> 3RD QTR LOSS Shr loss 39 cts vs loss 4.83 dlrs Net 16.3 mln vs loss 223.0 mln Revs 47.4 mln vs 30.7 mln Nine mths Shr loss 3.37 dlrs vs loss 7.30 dlrs Net loss 151.6 mln vs loss 340.3 mln Revs 118.9 mln vs 161.8 ml NOTE: 1987 qtr includes loss 1,500,000 dlrs for mobilization costs associated with two offshore drilling rigs. 1986 qtr includes charge 187 mln dlrs for write-down of oilfield services equipment and offshore drilling rigs.