Energy firm , former vice president charged with bribery . They will agree to a deal requiring payment of $ 250 million , Nigerian official says . Case involves allegations of corruption to Nigerian government for natural gas project . The investigation is part of a long-running case involving Halliburton and a subsidiary firm , Kellogg , Brown and Root , over alleged bribes paid to Nigerian officials to secure $ 6 billion worth of contracts for a liquefied natural gas project in the Niger Delta . Nigerian pleaded guilty to corruption charges in the last year .
Energy firm , former vice president charged with bribery . They will agree to a deal requiring payment of $ 250 million , Nigerian official says . Case involves allegations of corruption to Nigerian government for natural gas project . Nigerian pleaded guilty to corruption charges in the last year .