The four oil-producing countries of central and southern Africa, Nigeria, Gabon, Congo (Brazzaville), and Angola, produced 167.8 million barrels of oil in 1966, an increase of 47.7 percent over 1965. Nigerian production increased 65 percent to 152 million barrels, and that of Gabon increased 14.5 percent, to 10.4 million barrels. Gas production increased to 101.6 million Mcf in Nigeria, 405.9 million Mcf in Gabon, and 70 million Mcf in Angola. Surface geologic exploration in the region decreased, but other exploration increased materially. Individual country reports are presented.

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