JHVEPhoto Exxon Mobil (NYSE:XOM) and partners reported to the government of Guyana a very profitable fiscal year, as follows: New government data shows Guyana's agreement with the Exxon-led consortium (XOM) that includes Hess (HES) and Cnooc (OTCPK:CEOHF) generated $6.33B for the partners last year. The combined net margin for the three companies totaled 56%, greater than the 49% earned by chipmaker Nvidia in its most recent fiscal year. The story by Kemol King and Sabrina Valle on Reuters, which is the sou ...