Covering today's Oil & Gas Business from upstream to downstream and from technology and operations to economics, Petroleum Online is an essential industry orientation program that is easily accessible, challenging and innovative. This e-Learning series is an ideal way to obtain a comprehensive understanding of the industry in a relatively short period of time - a "must" for anyone in today's dynamic business climate.

This information can be published in our peer reviewed journal with impact factors and are calculated using citations not only from research articles but also review articles (which tend to receive more citations), editorials, letters, meeting abstracts, short communications, and case reports. The inclusion of these publications provides the opportunity for editors and publishers to manipulate the ratio used to calculate the impact factor and try to increase their number rapidly. Impact factor plays a major role for the particular journal. Journal with higher impact factor is considered to be more important than other ones.