The accumulated oil and gas in the trap came from the Lower Tertiary hydrocarbon source rock 2000~5000 meters below.

渤海油区上第三系为河流相沉积，不能生油，其圈闭中聚集的油气来自2000?。

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There is a correlation between accumulated water production rate and accumulated oil production rate, which is a linear relation on semilog coordinate.

注水开发油田累计产水量和累计产油量存在一定的相关性，在半对数坐标上呈近似直线关系。

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This is the oil industry has long accumulated experience.

这是石油行业长期以来经验积累的产物。

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It still amounts to a quarter of the GDP, accumulated from the times when oil prices were lower.

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Dingell, ranking Democrat on the House Energy and Commerce Committee, blasted Bush for ignoring Federal Trade Commission data accumulated in the last days of the Clinton administration that indicated some oil companies "held oil off the market to benefit themselves, " ostensibly causing prices hikes.

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There accumulated the first of our tale, a deposit of what we now call conventional oil.

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