ExxonMobil makes discovery offshore Guyana, increases Stabroek resource estimate

Oct. 7, 2021
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.

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%.