Vol. 8 No. 1 (2018)

This issue includes eight research articles focused on the operating segments of O&G industry (Exploration, Production, Refining and Transportation), one article on environmental technology and another three articles regarding renewable energies and Biofuels. In this issue are considered topics such:
* Petroleomics as a tool for detrmining asphaltenes composition
* Approach to sequential mathematical analysis of artificial lift systems
* Micro-generation systes for in-situ electrical supply
* Ultrasonic methods for caving volumetric flow estimations