油井

No one, however, seems to have realized the importance of this oil until it was found that paraffin－oil could be made from it; this led to the development of the wells and to the making of enormous profits.

一直以来，没有人熟悉到这种油的重要性，后来人们发现它可提炼出煤油来，情况才为之一变。自此油井遂蓬勃发展，巨额利润也由此产生。

No one,however,seems to have realized the importance of this oil until it was found that paraffin -oil could be made from it;this led to the development of the wells and to the making of enormous profits.

一直以来，没有人认为到这种油的重要性，后来人们发现它可提炼出煤油来，情况才为之一变。自此油井遂蓬勃发展，巨额利润也由此产生。

According to the serious paraffin deposit in Daqing Oil Field and the surface technique gathering and transferring flow used in the oil field, a kind of paraffin remover and inhibitor is studied to substitute the well-flushing technique in the peripheral oil fields.

针对大庆油田结蜡严重的问题，根据油田采用的地面工艺集输流程，研究出能够在外围油田代替热水洗井工艺的油井清防蜡剂。

In the practical production, the conditions of paraffin deposition can be improved by controlling and regulating these factors.

在实际生产中，对上述影响因素进行控制和调节，可以改善油井的结蜡状况。

Edvin * drilled the first oil well in the United States in 1859 near Titusville, Pennsylvanian.

1859年， Edwin Drake 在美国宾夕法尼亚 Titusville 附近钻出了第一口油井。

The testing method using fall size substance specimens is introduced for transmission shaft, oil well pipe, train pothook , cover of sewer well.

介绍了传动轴、油井管、火车挂钩、窨井盖等全尺寸实体试件试验方法与工程实际应用情况。

From a spare part to a******prehensive drilling system and from a generic valve to a fully integrated supply chain process, National Oilwell Varco delivers unlimited customer solutions.

从一个备件到一套完整钻井系统，从一个普通的阀门到一套集成的供应链程序，国民油井华高提供各种无限制的用户解决方案。

In recent years, has invested more than 1000 million, for the production of technical transformation and new product development, conducted a road portland cement, sulfur cement, oil well cement production experiment.

几年来，先后投资1000多万元，用于生产技改和新产品开发，进行了道路硅酸盐水泥、硫铝酸盐水泥、油井水泥的生产实验。

The acidization acquired favorable effect when the new multi-hydrogen acid system applied in BZ34-3 oilfield and the well yield exceeded 50% to 160% of proration production.

新型多氢酸酸液体系应用于渤中34-3油田酸化作业取得了良好的效果，油井产量超过配产的50%~160%。

Inflow performance of oil well, as a major external factor of influencing sucker rod pump performance, is studied.

油井流入动态是影响抽油泵性能的外部重要因素。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。