Tullow Oil, the FTSE 100 company leading the exploration, believes the exploitable deposits could exceed 1.5bn barrels, reserves comparable to Equatorial Guinea and the Republic of Chad .

主导开采的Tullow Oil公司（该公司股票是富时100指数成份股）相信，可挖掘储量将会超过15亿桶，其储量堪比赤道几内亚和乍得共和国。

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Republic of Equatorial Guinea is located in the west coast of Middle Africa, including several small offshore islands and an insular region containing Annobon and Bioko islands.

赤道几内亚共和国位于中非的西海岸，包括几个近海的小岛屿和包含安诺本岛和比奥科岛在内的远海岛屿。

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One of the most geologically enigmatic regions of the continent is found in central Africa, which includes Cameroon, the Central African Republic (CAR), Chad, Congo, the Democratic Republic of Congo (DRC), Equatorial Guinea and Gabon, although some progress has been made in the latter two countries, probably because of their currently high level of oil and mineral exploration.

UNESCO: EARTH SCIENCES FOR SOCIETY