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Houston Geological Society Bulletin

Abstract


Houston Geological Society Bulletin, Volume 31, No. 1, September 1988. Pages 11-11.

Abstract: Major New Foreign Exploration Plays During 1980-1987

By

Jim Hedberg

The discovery of an estimated 50 million barrels of recoverable oil in foreign exploration plays in the 1980s form a reasonable basis for confidence that not only do significant hydrocarbons remain to be discovered, but that they will be found in commercial-sized accumulations. Further, we see little reason to expect the rate of discovery of the late 1980s and early 1990s to be significantly different from that of the late 1980s.

Of the total 50 billion barrels of oil discovered since 1980, 4 billion barrels were discovered in the Far East, primarily in Asia, Indonesia, and Offshore China; 8-1/2 billion barrels were found in Europe, the biggest contribution coming from the North Sea; 9-1/2 billion barrels in Africa, mostly from Egypt, Angola, Libya, and Gabon. Approximately 13-1/2 billion barrels were discovered in the Middle East; and 14-1/2 billion, the largest amount, was found in Latin America, with Brazil, Venezuela, Mexico, and Colombia contributing the lion's share.

This talk comments briefly on several of the significant discoveries, describing the play parameters that contributed to the successful results. Among these giant discoveries were the Tabasco-Salinas Field in Mexico, Cano Limon and Guafita fields in the Llanos Basin in Colombia and Venezuela, the Musipan-El Furrial discoveries in East Venezuela, the Albacora-Marlim field off Brazil, the Thayem Field in the Euphrates Graben of Syria, Jabiru-Challis offshore Northwest Australia, the Juha and Iagifu fields discovered in Papua New Guinea, and the recent carbonate discoveries in Offshore China.

Based on an analysis of these and other discoveries, we have projected discovery rates, volumes, and associated field sizes into the future. Projection and cumulative discovery volumes into the future indicate that it is reasonable to anticipate that an additional 150 billion barrels of oil will be found between now and the year 2020.

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