Offshore Guyana continues to prove fruitful for ExxonMobil and its partners, with the Irving, TX-based supermajor announcing another discovery in the Stabroek Block.

The Longtail-3 well encountered 230 feet of net pay, including newly identified hydrocarbon-bearing reservoirs below the original discovery intervals, according to ExxonMobil.

“Longtail-3, combined with our recent discovery at Uaru-2, has the potential to increase our resource estimate within the Stabroek Block, demonstrating further growth of this world-class resource and our high-potential development opportunities offshore Guyana,” said Senior Vice President Mike Cousins, who oversees Explorations. 

Stabroek to date has an estimated gross recoverable resource of 9 billion boe. ExxonMobil added two...