Glencore has sold half of its 100% interest in the offshore Bolongo block to Perenco, who took over operatorship in the process under a new 50:50 partnership. Bolongo in the Rio del Rey has recently been halved to 232 sq km in favour of a new Bolongo block to be licensed in 2018:  
Perenco has acquired 50% interest + op. in the Bolongo block from Glencore (->50%). 