ExxonMobil makes discovery offshore Guyana, increases Stabroek resource estimate

ExxonMobil increased its estimate of the discovered recoverable resource for Stabroek block offshore Guyana to about 10 billion boe following a new discovery at Cataback that builds confidence in the greater Turbot area, the operator said in a release Oct. 7.

The updated resource estimate includes the Cataback-1 well discovery, which brings the total significant discoveries to more than 20 within the block.

Cataback-1 encountered 243 ft (74 m) of net pay in high quality hydrocarbon bearing sandstone reservoirs. It lies about 3.7 miles (6 km) east of Turbot-1 and was drilled in 5,928 ft (1,807 m) of water by the Noble Tom Madden. The Stabroek block is 6.6 million acres (26,800 sq-km). ExxonMobil affiliate Esso Exploration and Production Guyana Ltd. is operator with 45% interest. Hess Guyana Exploration Ltd. holds 30% and CNOOC Petroleum Guyana Ltd. holds 25%.