Mamba Complex is a conventional gas development located in ultra-deepwater in Mozambique and is operated by Mozambique Rovuma Venture . Discovered in 2011, Mamba Complex lies in block Area 4, with water depth of around 6,291 feet.

The project is currently in approval stage and is expected to start commercial production in 2028. Final investment decision (FID) of the project will be approved in 2023. The development cost is expected to be $23,000 m. The Mamba Complex conventional gas development will involve the drilling of approximately 24 wells and includes subsea manifold and subsea trees.

Field participation details

The field is owned by Eni , Exxon Mobil , China National Petroleum , Empresa Nacional de Hidrocarbonetos EP, Korea Gas and Galp Energia SGPS.

Production from Mamba Complex

Production from the Mamba Complex conventional gas development project is expected to begin in 2028 and is forecast to peak in 2029, to approximately 10,000 bpd of crude oil and condensate, 150 Mmcfd of natural gas and 2,180 Mmcfd of liquid natural gas. Based on economic assumptions, the production will continue until the field reaches its economic limit in 2057.

Remaining recoverable reserves

The field is expected to recover 3,363.56 Mmboe, comprised of 78.63 Mmbbl of crude oil & condensate, 1,630.89 bcf of natural gas reserves and 18,078.68 bcf of liquid natural gas reserves.

Contractors involved in the Mamba Complex conventional gas field

Some of the key contractors involved in the Mamba Complex project as follows.

Other Contractors: Impacto, Projectos e Estudos Ambientais and The ERM Group

About Mozambique Rovuma Venture

Eni East Africa SpA is an owner of the 70% interest in Area 4, in Mozambique.


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.