Gas may be found either dissolved in reservoir fluids or as free gas that tends to form a gas cap beneath the top seal on the reservoir trap.

气体可能在储层流体中以溶解形式或作为游离气而存在，游离气趋于在储层圈闭的盖层下面形成气顶。

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With further understanding of gas cap reservoir recovery mechanism and the progress in technology, obstruction recovery method has become an important method for developing gas cap field.

随着对气顶油田开采机理认识的深化和工艺技术的进步，目前隔障开采已成为气顶油田开发中重要方法之一。

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The gas cap pools, mainly distributed in Paleogene, are formed by spillover of undissolved gas in high saturated oil pools.

气顶气藏主要分布在下第三系，是在高饱和油藏的基础上，由于不能溶解于石油中的天然气的溢出而形成。

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Mr.Obama and Democrats in Congress are backing a "cap and trade" bill, which aims to cut greenhouse gas emissions 17 percent by 2020.

VOA: standard.2009.05.30

Converteam is competing in the manufacture of products for use in gas pipelines and electricity grids with large-cap companies in Europe like Siemens AG and ABB Ltd.

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But 12 states, three cities, 13 environmental groups and a ski resort want the EPA to cap the gas in an effort to help slow global warming.

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Richardson also proposes the implementation of a market-based cap and trade system for greenhouse gas emissions in order to create incentives for the electric and industrial sectors to make significant reductions in their carbon emissions.

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