559 So.2d 1360 (1990)
Michael Allen DUHON and Mary Kathryn Duhon
No. 90-C-0392.
Michael Allen DUHON and Mary Kathryn Duhon
v.
PETROLEUM HELICOPTERS, INC., et al.
No. 90-C-0392.
Supreme Court of Louisiana.
April 6, 1990.Denied.