Even China National Offshore Oil Corp, which primarily engages in exploration and drilling, had to build its own refinery to help the state satisfy the country's soaring petrol demand.
甚至像中海油这样一家主要从事勘探、钻井的企业也必须建造自己的炼油厂，以帮助国家满足日益增长的汽油需求。
Such concerns have blocked new drilling in Alaska's Arctic waters since 2003, despite a steep decline in oil production in the state and intensive lobbying by oil companies.
2003年以来，尽管阿拉斯加石油产量急剧下降，石油公司也在积极游说，类似的担忧已经阻止了该州在北极海域开发新油井。
The government has launched a national slimming campaign, led by an army of 535 trainers who are drilling a five-point exercise and healthy-eating plan into state education officials.
一批由535名教练组成的队伍负责该运动。教练们正在进行五级训练和健康饮食计划培训，以成为国家教育官员。
The evidence comes from everything from core drilling to medieval financial records newly uncovered from state archives in Istanbul and Italy.
所展示的证据来源广泛，从岩心钻探到在伊斯坦布尔和意大利的国家档案馆新发现的中世纪财政记录。
The theoretical study for drilling string has been in progress for many years, but the real working state of drilling string still remains to be solved.
对钻柱在井下的受力状况已进行过许多理论研究，但对钻柱在井下的实际工作状态的研究还不多。
The calculation method of drilling string axial vibration is given. Meanwhile, the different methods of analysing drilling string axial vibration state are supplied in different surveying condition.
并给出计算任意组合钻柱系统的轴向振动稳态响应的一般方法，提供不同测量条件下分析钻柱轴向振动状态的不同方法。
Because of the over state standard problems of COD and chromaticity remaining after coagulating drilling sewage, other strong measures of treating sewage were needed.
由于钻井污水经混凝处理后仍存在COD、色度超标问题，因此需采用其他方法深度处理污水。
This paper introduces briefly the present internal and external state of drilling machining methods, drill material, new technology for making drills and some new types of deep hole making drills.
介绍了当前国内外钻削加工的方法、钻头材料、制造钻头的新工艺及一些新型的深孔加工钻头。
The discharge of any water-based mud, non-toxic compound mud or drilling breaks into the sea must comply with the relevant provisions of the State.
水基泥浆和无毒复合泥浆及钻屑的排放，必须符合国家有关规定。
State monitoring and fault diagnosis of drilling process is the significant support for safe working of drilling system.
钻井过程状态监测与故障诊断是钻井系统安全运行过程中的重要保障。
We can analyse and diagnose bit working state based on integrated logging data. The main characteristic parameters for bit wearing degree are torque and drilling time.
钻头的工作情况可以根据综合录井资料分析判断，反映钻头磨损程度的主要特征参数有扭矩和钻时。
This paper deals with the recent development and state of arts of world offshore drilling and production equipment and also looks forward to the future of early 21st century.
对世界海洋石油钻采设备的现状作了介绍并对21世纪初的发展前景作了展望。
By studying a case, the authors state the reasons of rock layer leakage in the construction of drilling and pouring stakes.
本文通过对某大桥钻孔灌注桩施工情况分析。阐述了钻孔灌注桩施工中岩层漏浆故障的原因。
The state of circulating fluid flow in snail-hole drilling is a problem debated and attracting attention in the drilling field.
小口径钻进液循环的流态一直是钻探界十分关注的问题。
The state of circulating fluid flow in snail-hole drilling is a problem debated and attracting attention in the drilling field.
小口径钻进液循环的流态一直是钻探界十分关注的问题。
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