Total (TTE) announced the company hit oil at its Venus-1 exploration well in Namibia during February; shortly following the announcement, Upstream reported the find could be "at least" 3 billion barrels -- Tuesday, Upstream sources indicate the find could exceed 13 billion barrels. If the three sources cited by Upstream are correct, Venus-1 would be the largest deep-water find in history, surpassing the Petrobras (PBR) find at Buzios. The above resource estimates exclude what Upstream believes could be an additional 20TCF of natural gas;