Exxon has increased its estimate of the discovered recoverable resource for the Stabroek Block off Guyana to around 10 billion oil-equivalent barrels after striking oil there one more time. Supermajor ExxonMobil has increased its estimate of the discovered recoverable resource for the Stabroek Block off Guyana to around 10 billion oil-equivalent barrels after striking oil there one more time. ExxonMobil said on Thursday that the updated resource estimate included a new discovery at the Cataback-1 well, which brings the total significant discoveries to 21 within the Stabroek Block. The Cataback-1 well encountered 243 feet of net pay in high-quality hydrocarbon-bearing sandstone reservoirs. It is located approximately 3.7 miles east of Turbot-1 and was drilled in 5,928 feet of water by the Noble Tom Madden drillship. The Turbot-1 discovery was announced back in October 2017. “This discovery adds to the resource in the Turbot/Tripletail area, enhancing the development project potential. […]