Oil Discoveries Ghana


Base Energy has 67.5% equity interest and is the operator of the Expanded Shallow Water Tano (ESWT) Block offshore in Ghana. We focus on running safe and reliable operations, protecting our people, the environment and delivering value for all our stakeholders and the communities we work in.

ESWT has 3 existing oil and gas discoveries – North Tano, West Tano and South Tano fields with a contract area of 1508 sq.km.

Oil & Gas Company Ghana

STOOIP million barrels

3 partners

Base Energy (67.5% Operator), GNPC Explorco (22.5%), GNPC (10%)

160 bcf

Non-Associated Gas

There is significant resource upside through further exploration, and the existing discoveries will reduce commercialisation uncertainty. We will take the low cost approach with appropriate technologies and agility.

Investment highlights

Low development costs

  • Shallow water development in 80 – 120m of water on the Ghana Continental Shelf
  • Favourable development commercial options as opposed to deep-water developments
  • Less reserves requried to be economically viable

Great upside on exploration and development

  • High Case on current discoveries is > 800mm STOOIP
  • 3D seismic to identify more exploration targets and delineate current discoveries
  • Potential to aggregate more discoveries into CPF

Accelerated production options

  • 3 Oil and Gas discoveries already on the Block
  • Economic screening completed and commerciality options developed
  • Ready for extended well testing options now.

Significant amount of data on the block

  • 14 wells over the N/S/W Tano wells
  • Well test data and core data
  • 2D Seismic data over entire block / More 3D required

Progressive partnership

  • Collaborative partnerships with joint venture.
  • Lean, and agile decision-making structure.
  • Aspiration from all partners in the block to commercialise block as soon as possible.


At Base Energy, we recognize that the actions we take today have a significant impact on our future. This drives us to we operate sustainably and meet the needs and expectations of our stakeholders. Sustainability is core to our cultural values and our long-term business values.

Oil Sustainability