Brazil Transfer of Rights Bid Round for Excess Volumes

Evaluate presalt targets with greater certainty than before. On November 7, 2019, the Brazilian National Agency of Petroleum, Natural Gas, and Biofuels (ANP) is auctioning off excess reserves in four presalt fields of the Santos Basin. This surplus results from the 2010 Transfer of Rights Agreement between Petrobras and the Brazilian Government, in which Petrobras was granted the right to extract up to 5 billion bbl of oil equivalent. Due to the high volumes of oil and natural gas and high productivity, the ANP will auction off rights to the Atapu, Buzios, Itapu, and Sepia blocks, covering approximately 1,400 km² collectively. Under a production-sharing contracting model, the winner will pay Petrobras compensation for investments already made in the area and will acquire part of the assets and production.

Santos Basin 3D data with interpretation

Image showing clear delineation of presalt structures in the Santos Basin.

Illuminate complex subsurface targets with high-definition data

Within the presalt polygons of the Santos Basin, WesternGeco has acquired high-definition 3D surveys that help you gain a better understanding of key stratigraphic and structural features. These 4D-ready surveys cover approximately 10,595 km² and include prestack depth migration final volumes. High-density acquisition, optimal acquisition direction, and intrasalt tomography have enabled us to overcome the challenges associated with presalt imaging and provide a more confident subsurface evaluation—leading to more effective drilling decisions in the appraisal and production phases, reducing risk.

Inside the Iara HD4D survey boundaries, we have applied some of our most advanced technologies in acquiring a Coil Shooting single-vessel full-azimuth acquisition survey to better illuminate the complex subsurface and characterize the presalt reservoirs.

Discover the full potential of Brazil's prolific basins with a single volume

WesternGeco has produced an extensive regional program that enables for basin-wide evaluation of the exploration potential in the prolific Santos and Campos Basins. The Southern Brazil Regional Post Stack merge project has merged 54 3D narrow azimuth seismic surveys that cover approximately ~100,000 km². WesternGeco's imaging workflows produced a consistent and reliable seismic image over the region using geologically constrained velocity models. The post stack depth volume provides an extensive regional view of the complex Santos and Campos Basins, including the prolific fields in Brazil’s 2019 transfer of rights blocks.

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