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18th discovery for ExxonMobil offshore Guyana



Guyana continues to prove a lucrative exploration venture for ExxonMobil, with the global oil major having made yet another offshore discovery in the Stabroek Block.

The Noble Don Taylor drillship was used for the Redtail-1 well which became ExxonMobil's 18th successful oil discovery offshore Guyana
(Image via Noble Corp)

Drilling at the Redtail-1 well encountered approximately 232 feet (70m) of high-quality oil-bearing sandstone when drilled in 6,164 feet (1,878m) of water. The operation was carried out by the Noble Don Taylor drillship.

This is the 18th discovery for ExxonMobil offshore Guyana and resources will add to the previously announced gross discovered recoverable resource estimate of more than 8 billion barrels of oil equivalent. 

The well is located 1.5 miles (2.5km) northwest of the Yellowtail discovery - which was the 17th discovery on the Stabroek Block. Yellowtail-2 resulted in the discovery of additional reservoir intervals adjacent to and below the Yellowtail-1 discovery. The drilling encountered 69feet (21 metres) of high-quality oil-bearing reservoirs, which is currently being evaluated for development. 

"Our Stabroek Block exploration program continues to identify high-quality reservoirs in close proximity to previous discoveries, establishing efficient opportunities for new projects in Guyana,” said Mike Cousins, senior vice president of exploration and new ventures at ExxonMobil.

"Developing these projects remains an integral part of ExxonMobil and our co-venturers’ long-term growth plans and a source of significant value for Guyana,"

According to Exxon, Redtail activities offshore involved the contribution of around 80 Guyanese employees, contractors and subcontractors. They claim their operations in country have so far created 2,000 jobs for Guyanese locals and supported 600 local suppliers. 

The first commercial discovery in the block was made by ExxonMobil in 2015, with production beginning in December last year from the Liza Destiny FPSO, which has a capacity for 120,000 barrels per day. ExxonMobil plan to soon launch operations on the Liza Unity FPSO which will have almost double the capacity at 220,000 bpd. The vessel is currently under construction in Singapore by SBM Offshore but is expected to begin production in Guyana’s waters in 2022. 

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18th discovery for ExxonMobil offshore Guyana - Time to read 2 min
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