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- Dual Gradient Drilling (DGD) is also known as Dual Density Drilling, which is a new type of drilling technology for deepwater drilling. 双梯度钻井又称为双密度钻井,是一种适用于深水钻井的新型钻井技术。
- Several new approaches to the deepwater dual gradient drilling were developed,including subsea mudlift drilling,riserless drilling,and dual density drilling. 深水双梯度钻井技术主要包括海底泵举升钻井液、无隔水管钻井、双密度钻井等,可以很好地解决深海钻井中的技术难题。
- dual density drilling 双密度钻井
- For hyperpronated foot, support shoes with dual density of midsole are needed. 過度內翻足型需要配合雙層密度的中底設計。
- Insulation in the sole of the boot is provided by lightweight dual density direct rubber soling. 靴底有轻质双层密度橡胶使靴底直接绝缘。
- Circulating micro-foam drilling fluid is a newly developed low density drilling fluid system in recent years. 可循环微泡沫钻井液是近年国内外推出的一种新型低密度钻井液体系。
- Abstract: Because of the great change in thickness of the overlying gyprock and the high density drilling fluid in Kuqa depression, it is very difficult to define the boundary stratotype. 摘要: 在库车坳陷天然气勘探中,由于目的层段上覆膏盐岩厚度变化大、钻井液密度高使得在该区天然气勘探中卡取层位、发现气层十分困难。
- Dual Density Rubber Sole Technology 双密度橡胶靴底技术
- Dual density floppy disk controllet 双密度软磁盘控制器
- Lightweight dual density rubber sole 轻质双密度橡胶靴底
- dual density floppy disk controller 双密度软磁盘控制器
- Ultra-high density drilling fluid technology in well Dina-11 迪那11井超高密度钻井液技术
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- The workman is drilling in the wall. 工人正在墙上打孔。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- Dual action: hammer drilling and hole drilling. 二模式动作:锤钻及单钻孔。
- The noise of the drilling is intolerable. 钻孔的噪音让人受不了。
- After months of drilling, oil was found off the coast. 经数月钻探,在沿海找到了石油。
- His dual role as a composer and a conductor made him very busy. 他作曲家和指挥家的双重身份使他非常繁忙。