This thematic report is the outcome of a partnership between researchers of the Laboratory of Software Engineering (LES) at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio) and Petrobras S.A., under the research and development agreement issued by Libra Consortium. This report aims to provide consolidated knowledge regarding the potential of global blockchain application in the oil and gas (O&G) industry. The dissemination of this content is in accordance with the university’s principles of open knowledge, led by ECOA at PUC-Rio, and definitely adds to the blockchain ecosystem dissemination.