KEY POINTS
  • Jethro-1 wells holds more than 100 million barrels, CEO says.
  • Partners now likely to develop field.
  • Partners are Total, Eco Atlantic and Qatar Petroleum.
  • Tullow shares surge 12%.
The Tullow Oil Plc Prof. John Evans Atta Mills Floating Production Storage and Offloading vessel sits docked in Singapore on Jan. 21, 2016.

Tullow Oil announced on Monday a major oil discovery in the Orinduik block in Guyana, raising expectations it will move to develop a field in the oil-rich South American country.

Tullow shares surged more than 12% in early trade in London.