ExxonMobil Guyana Limited (EMGL) began Autonomous Underwater Vehicle (AUV) surveying operations in the Stabroek Block on August 20, 2025.
According to a recent notice from the Maritime Administration Department (MARAD), the exercise is scheduled to run until September 30, 2025, using the vessel ARMADA 7807.
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The survey area lies about 102.47 nautical miles (189.78 kilometers) off Guyana’s coast and spans 305.75 square nautical miles (1,048.70 square kilometers). ExxonMobil awarded Norwegian seismic company Shearwater GeoServices a six-month contract to carry out a 4D ocean bottom node survey in the block.
The 4D survey complements ExxonMobil’s development drilling efforts by capturing time-lapse changes in geophysical properties to improve understanding of offshore hydrocarbon reservoirs. ExxonMobil had earlier contracted PGS to perform a separate 4D seismic survey in Guyana.
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The company is moving ahead with plans for five additional development projects in the country, aiming to achieve a production capacity of more than 1.7 million barrels of oil per day by 2030.