The total petroleum production of central and southern Africa in 1967 decreased 12.7 percent to 146,535,030 barrels, largely as a result of the partial shutdown in Nigeria. A 132 percent increase was recorded in Gabon. Congo (Brazzaville) production declined 19.4 percent, and that of Angola fell 14.6 percent. No other countries produced petroleum during the year. Of 149 exploratory wells completed, 24.6 percent were successful. Nigeria had 26 oil discoveries, of which Anambra River 1 was the first Cretaceous oil discovery in the country, and important discoveries were made in Angola, Cameroon, Gabon, and Mozambique.

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