Gato Do Mato is a conventional oil development located in ultra-deepwater in Brazil and is operated by Shell Brasil Petroleo. Discovered in 2019, Gato Do Mato lies in block S-M-518 and Sul Do Gato Do Mato, with water depth of around 6,780 feet.

The project is currently in approval stage and is expected to start commercial production in 2025. The Gato Do Mato conventional oil development will involve the drilling of approximately 10 wells and includes FPSO and subsea trees.

Field participation details

The field is owned by Ecopetrol, Shell and TotalEnergies.

Production from Gato Do Mato

Production from the Gato Do Mato conventional oil development project is expected to begin in 2025 and is forecast to peak in 2026, to approximately 87,117 bpd of crude oil and condensate and 109 Mmcfd of natural gas. Based on economic assumptions, the production will continue until the field reaches its economic limit in 2064.

Remaining recoverable reserves

The field is expected to recover 537.43 Mmboe, comprised of 445 Mmbbl of crude oil & condensate and 554.59 bcf of natural gas reserves.

Contractors involved in the Gato Do Mato conventional oil field

The key contractors involved in the Gato Do Mato project as follows.

Other Contractors: CHC Brazil

About Shell Brasil Petroleo

Shell Brasil Petroleo Ltda (Shell Brasil) produces and distributes lubrificants e other chemical products. Shell Brasil is headquartered in Rio de Janeiro, Brazil.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.