The nine countries of South America long established as petroleum producers collectively yielded 4,288,817 barrels per day in 1965, a total of 1,565,417,000 barrels for the year. This was an increase of 2.2 percent over 1964, and marked the seventh consecutive year of increase. The amount was 14 percent of total world production for 1965. Venezuela ranked first among the nine, with 81 percent of the total for 1965, and it continues to be the world's largest exporter of petroleum. Argentina, Colombia, and Trinidad ranked, respectively, second, third, and fourth in 1965 production. Brazil and Peru ranked respectively fifth and sixth in 1965 totals. Geologic and geophysical exploration increased slightly over 1964. Success attended 127 of 364 exploratory wells, and Brazil's Miranga field may be the year's outstanding discovery.

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