The same principle was used in a method of drilling in oilfields.

油田的钻探方法采用了同样的原理.

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Complicating matters is the ending of the era of large oilfields.

大油田时代的终结正使问题变得复杂.

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The discovery of new oilfields brought the price down.

新油田的发现使油价有所降低.

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The Daqing Oilfield is one of the richest oilfields in our country.

大庆油田是我国最富的油田之一.

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Crude petroleum oil from different oilfields is never exactly identical in composition.

不同油田产出的石油原油成分并不完全相同.

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Coal seams, like oilfields, vary hugely in their geology.

而且就像油田一样, 煤层在地底下变化也非常巨大.

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A number of new oilfields have been opened up recently.

近来许多新的油田已被开发出来.

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He works in North sea oilfields.

他在北海油田工作.

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Its recent offshore discoveries are thought to be among the biggest oilfields ever found.

该公司最近在巴西外海发现的数个油田被认为位居迄今发现的最大油田之列.

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Field practices of gas drilling in Chuanyu Changqing , Tuha , and Liaohe oilfields acquired very good results.

介绍了气体钻井技术在防漏治漏方面的应用情况.

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Nitrogen injection being used to enhance oil recovery in many oilfields, particularly in overthrust fault.

许多油田, 特别是在逆掩断层油藏中,正在大量注氮提高原油采收率.

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Polymer drilling fluid is one of the most commonly used drilling fluid systems in the oilfields.

聚合物钻井液是目前国内许多油田使用的主要钻井液体系之一,也是水文水井钻井液的发展方向之一.

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Multipole array sonic logging tools have widely been employed in Chinese oilfields in recent years.

几年来,多极组合声波测井仪已广泛应用于中国各油田.

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This provides basis and guidance to de - plugging in similar wells of similar oilfields.

该技术为同类油田类似井的油层解堵措施提供了依据和指导.

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Distribution of Arps decline parameters and its effect factors of oilfields were summarized.

总结了关于油田Arps递减参数的分布规律与影响因素.

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