Primary Author - Alfonso Colombano has been carefully studying the oil & gas industry for more than a decade. He has worked for two International Oil Companies (IOC's) and one refining company as a Finance and Operations Analyst in upstream, midstream and downstream operations. Alfonso is a graduate of the University of Houston where he was active in the Energy Association. Alfonso's expertise encompasses all sectors of the oil & gas industry including upstream, midstream and downstream, which led him to create and write this book. Alfonso is an avid reader of Forms 10-K and 20-F, financial st...