كتب : وكالات
Vincent Die Foneye came off the bench to break the deadlock 16 minutes from time with a powerful header to seal the victory for the petroleum side.
ENPPI are now keeping pace with fourth-placed Police Union on 36 points. The latter team are one spot ahead on goal difference.
In Port Said, Masri downed Harras Hodoud by the same scoreline, thanks to a deadly mistake by Islam Al-Shater.
Masri's Mahmoud Abdul-Hakim sent a cross that Al-Shater accidently diverted into his own net four minutes past the hour mark.
Hodoud's Ahmed Hassan Mekki had a goal correctly disallowed one minute from time through offside.
Masri lie seventh in the league table with 30 points while Hodoud are 11th on 24.