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最早从并下获得工业油流的国家 世界各主要产油国中,加拿大早在1857年就从井下获得工业油流。 最早从海底采出石油的国家 苏联最早于1824年从里海海底采出石油。 累计采油最多的油田 沙特阿拉伯的加瓦尔油田,发现于1948年,为一近南北向的狭长背斜构造,实际上由六个小构造组成。产层是上侏罗系阿拉伯组石灰岩,油田面积5000平方公里。石油可采储量为82.6亿吨,是世界上第二大油田。于1950年投产,至1977年底累计采油22.545亿吨。
Among the major oil-producing countries in the world that received the first industrial oil flows, Canada acquired oil from the well as early as 1857. As early as 1824, the Soviet Union seized oil from the seabed of the Caspian Sea. The Ghawar oil field in Saudi Arabia, where oil has been accumulated the most, was discovered in 1948 as a nearly north-south narrow slender anticline consisting of six small structures. The upper layer is the Upper Jurassic Arabian group of limestone, an area of 5000 square kilometers. Oil recoverable reserves of 8.26 billion tons, is the world’s second largest oil field. Put into operation in 1950, to the end of 1977 a total of 2,254,500 tons of oil production.