Rank	Journal	Value
1	Petroleum Science	9
2	Journal of Petroleum Science and Engineering	8
3	Petroleum Exploration and Development	7
4	SPE Drilling & Completion	2
-	Journal of Petroleum Exploration and Production Technology	2
-	SPE Journal	2
-	SPE Reservoir Evaluation & Engineering	2
8	Oil Shale	1
-	Petroleum Science and Technology	1
-	SPE Production & Operations	1
-	CT&F-Ciencia Tecnologia y Futuro	1
-	Journal of the Japan Petroleum Institute	1
-	Petroleum Chemistry	1
14	Chemistry and Technology of Fuels and Oils	0
-	International Journal of Oil Gas and Coal Technology	0
-	Petrophysics	0