en.Wedoany.com Reported - ExxonMobil has contracted with Norwegian marine geoscience company Shearwater GeoServices to conduct a distributed acoustic sensing (DAS) seismic project in the Stabroek block offshore Guyana, expanding the application of high-resolution reservoir monitoring tools in the rapidly expanding Yellowtail development project.

The scope of work includes a two-month source seismic acquisition campaign aimed at supporting the baseline DAS reservoir monitoring survey in the Yellowtail area. Shearwater has mobilized the vessel "SW Empress" with a triple-source configuration to execute the program. The vessel has been operating in South America since November 2025, transitioning directly into this contract after completing a multi-client project.

At the core of the program is DAS technology, which repurposes fiber optic cables into dense seismic sensing networks. Compared to traditional ocean-bottom node surveys, this approach enables higher temporal resolution tracking of reservoir dynamics while reducing logistical footprint, survey time, and associated operational costs.

At the time of the contract signing, production from ExxonMobil's Guyana portfolio was accelerating. In the first quarter of 2026, the four producing assets in the Stabroek block—Liza Phase 1, Liza Phase 2, Payara, and Yellowtail—averaged 914,000 barrels per day, subsequently rising to 918,000 barrels per day in February.

The prospect of additional projects is expected to further drive growth. The Uaru and Whiptail developments are under construction, with planned start-ups in 2026 and 2027, respectively. The Hammerhead project, the seventh approved development in the block, has received approval with an estimated investment of $6.8 billion and is expected to add approximately 150,000 barrels per day of capacity by 2029.

Joint venture partners in the Stabroek block have committed over $60 billion in investments across seven approved developments. ExxonMobil's long-term outlook for the basin targets a production capacity of 1.7 million barrels of oil equivalent per day by 2030.

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