351 So. 2d 775 (1977)
U. S. OIL OF LOUISIANA, LTD., et al.
No. 60678.
U. S. OIL OF LOUISIANA, LTD., et al.
v.
LOUISIANA POWER AND LIGHT CO.
No. 60678.
Supreme Court of Louisiana.
October 26, 1977.Denied.
Supreme Court of Louisiana.
October 26, 1977.Denied.