Jewell Robbins v. Amoco Production Company , 952 F.2d 901 ( 1992 )
Shell Oil Company v. State , 442 S.W.2d 457 ( 1969 )
Scull v. Davis , 1968 Tex. App. LEXIS 2716 ( 1968 )
GXG, INC. v. Texacal Oil & Gas , 977 S.W.2d 403 ( 1998 )