Zhongyuan oil field is a complex fault block sandstone reservoir, which has deep oil reservoir rock, low permeability and serious heterogeneity.

中原油田是一个复杂断块砂岩油气田，储集层埋藏深，渗透率低，非均质严重。

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The geochemical logging instrument is an equipment which can fast quantitatively evaluate oil source rock and oil reservoir rock with pyrolysis method.

地化录井仪是一种采用岩石热解法快速定量评价生油岩和储油岩的设备。

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Gravity drive is effective in the early stages of reservoir development only when there is high relief in the reservoir rock and oil column.

重力驱动仅在储层岩石中存在高闭合度和油柱的情况下在储层开发的早期是有效的。

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Operated by Anadarko with 30%, that well was another monster, going down more than 31, 000 feet in 5, 800 feet of water, and discovering a remarkable 1, 000 feet of oil-bearing rock with very promising reservoir properties.

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The carbon dioxide, injected deep into the reservoir, basically scours the oil out of the rock and pushes it upward where it can flow into a well.

FORBES: Energy

As the average untapped oil reservoir is to be found in ever smaller, deeper and tighter rock, service companies have come up with ever more innovations.

FORBES: Magazine Article