Energy Investments Global, a subsidiary of Qatari state fund Al Mirqab Capital, is planning on taking over the Africa-focused player for £3.20 ($5.38) per share.

The deal values London-listed Heritage at £924 million, or $1.55 billion.

Chief executive Tony Buckingham is to retain a 20% stake in the company for at least five years and in that time will also act as an adviser to the explorer.

Al