ExxonMobil Guyana Ltd. started production at Yellowtail, the fourth oil development in Guyana’s offshore Stabroek block. Production from Yellowtail’s One Guyana floating production storage and offloading (FPSO) vessel joins Destiny, Unity, and Prosperity FPSO production to bring total installed capacity in Guyana to more than 900,000 bo/d (OGJ Online, Aug. 1, 2025).
One Guyana is the largest FPSO on Stabroek block to date with an initial annual average production of 250,000 bo/d and storage capacity of 2 MMbbl (OGJ Online, April 17, 2025). Oil produced from the FPSO will be marketed as Golden Arrowhead crude.
By 2030, ExxonMobil Guyana expects to have total production capacity of 1.7 MMboe/d from eight developments.
ExxonMobil Guyana Ltd. is operator of the block with 45% interest. Partners are Hess Guyana Exploration Ltd. (30%) and CNOOC Petroleum Guyana Ltd. (25%).