East Texas Oil Fields - East Texas Yuden (English name)

Japanese: イースト･テキサス油田 - イーストテキサスゆでん（英語表記）East Texas

An oil field located in the northeast corner of Texas, USA, about 20 km east of Dallas. With an ultimate recoverable volume of 5.4 billion barrels (some reports put it at 6 billion barrels), it is the 44th largest oil field in the world and the second largest in the USA after the Prudhoe Bay oil field in Alaska. It was discovered in 1930. The oil layer is Cretaceous sandstone, and the oil is collected in the sandstone that has been cut or excised into a wedge shape by a large dip unconformity, which is interpreted as a stratigraphic trap. The oil layer is 11.8 m thick in the north, 7.6 m thick in the middle, and 8 m thick in the south.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

アメリカ，テキサス州の北東隅，ダラスの東方約20kmに位置する油田。究極可採鉱量は54億バレル(60億バレルとの報告もある)で世界第44位，アメリカではアラスカのプルドー･ベイ油田に次ぐ第2位の油田である。1930年発見。油層は白亜紀の砂岩で，油は大きな傾斜不整合によって楔状に削剝もしくは尖滅した砂岩中に集まり，層位トラップと解釈されている。油層の厚さは北部で11.8m，中部で7.6m，南部で8m。

出典　株式会社平凡社世界大百科事典第２版について　情報

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