ExxonMobil’s offshore operations in Guyana’s Stabroek Block rely on a network of international oilfield service providers supporting production, drilling, subsea installation, and logistics. Production began in 2019 and has since expanded. Now, the block is producing 915,000 barrels per day from four floating production, storage and offloading (FPSO) vessels.
FPSO Contractors
SBM Offshore built and operates the Liza Destiny, Liza Unity, Prosperity and ONE GUYANA vessels supporting the Liza, Payara and Yellowtail fields. The Dutch contractor is also constructing the Jaguar FPSO for the Whiptail development, and recently received the front end engineering and design contract for the Longtail FPSO. MODEC is responsible for the Errea Wittu FPSO for the Uaru project and the FPSO for the Hammerhead development.
Subsea Contractors
TechnipFMC, Saipem and Subsea 7 deliver subsea infrastructure connecting wells to FPSOs. Their work includes subsea production systems and the installation of umbilicals, risers and flowlines across developments.
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Drilling Contractors
Stena Drilling and Noble Corporation execute drilling campaigns offshore Guyana. Their drillships support both exploration and development wells across the block.
Well Services and Chemicals
Halliburton and SLB (formerly Schlumberger) provide well construction and subsurface services. Baker Hughes supplies production chemicals used in offshore operations.
These companies operate across exploration, development and production phases, supporting ExxonMobil and its co-venturers in ongoing offshore operations in Guyana’s Stabroek Block.
Exxon operates the Stabroek Block with a 45% interest, while Hess holds a 30% interest and CNOOC holds 25%.


