Rank	Journal	Value
1	Journal of Petroleum Science and Engineering	45
2	Petroleum Exploration and Development	43
3	Journal of Petroleum Exploration and Production Technology	25
4	SPE Journal	23
5	Petroleum Science and Technology	15
6	SPE Reservoir Evaluation & Engineering	12
-	Petroleum Chemistry	12
8	Chemistry and Technology of Fuels and Oils	9
-	SPE Drilling & Completion	9
10	Oil Shale	7
11	International Journal of Oil Gas and Coal Technology	6
-	SPE Production & Operations	6
13	CT&F-Ciencia Tecnologia y Futuro	5
14	Journal of the Japan Petroleum Institute	4
15	Petrophysics	2