Tullow Oil has raised its full-year production target and said it plans to expand in Sierra Leone and Kenya.

Tullow expects output to rise to as much as 94,000 barrels of oil equivalent a day after the final wells are completed at the Jubilee field in Ghana in August. It previously gave a forecast of 86,000 barrels to 92,000 barrels a day.

After pre-empting the sale of a 10 per cent stake in Sierra Leone's Block SL-07B-10 by Anadarko Petroleum Corp to Mitsui and Co, Tullow's interest in the project, which contains the Venus and Mercury discoveries, will increase to 20 per cent.

Tullow also raised its stake in Kenya's offshore Block L8 to 15 per cent.

"We are always in the market looking for acreage and opportunities," Exploration Director Angus McCoss said in an interview. "The whole of the continent of Africa is something we continuously review."

Tullow plans to drill the Jupiter and Mercury-2 wells in Sierra Leone as part of a 15-well African program in the second half of the year. It also completed the acquisition of a 20 per cent interest in the DE-7 and Ogueyi blocks from Perenco SA to expand in Gabon.

In Kenya, the company will have the option of acquiring a further 5 per cent in Block L8 from Pancontinental Oil and Gas NL's Afrex unit after drilling the first exploration well in 2012.

Bloomberg