Today's society is increasingly susceptible to global economic crisis. The energy is still extremely dependent on oil, whose extraction scenarios usually have great complexity. The technology in the oil industry has undergone a vertiginous development in recent times. Advances in information, data and telecommunications have been reflected in the connectivity of systems and people with tremendous impacts on improvements of operational and business decisions. In this context, came to light an important movement of Integrated Operations (IO), which has systematized the implementation of this concept in the oil and gas operators and service providers. Each company has created its program, with peculiarities and challenges. This paper, including an intensive literature search, analyzed the objectives, concepts and architectures of Integrated Operations deployments in five major operators. Through a reference framework, the differences and similarities of these models were discussed. There was also an analysis in recent bibliography in order to better understand the value for Integrated Operations.