保证了水泥浆返出地面，有利于提高固井质量。
It can ensure the slurry returning to surface, thus improve the cementing quality.
返出泥浆减少。
这种射流洗井器应用射流原理进行设计，利用高压注入水作动力液，抽汲地层液返出。
The device is designed by means of the jetting principle, and it takes the high-pressure injected water as power fluid to drive the formation fluid returning to the surface.
返出的岩屑需要处理，而且不能回收利用，这不仅加大了泥浆损失，还增加了处理成本。
The cuttings require disposal and cannot be recovered, which results in mud loss as well as disposal costs.
在下入表层套管且注水泥之前，方井同样接受从井眼内返出的、必须被泵回到地表泥浆设备中的泥浆。
Prior to setting surface casing, the cellar also takes mud returns from the well, which are pumped back to the surface mud equipment.
对石油钻井过程中岩石破碎的分形机理及形成过程进行了研究，提出了一种以井底返出的岩屑为对象测试岩石可钻性的新方法。
This method takes the detritus returned from bottom hole as the studying object. The fractal mechanism and forming process of broken rock during drilling were studied.
哥伦比亚号在2003年重返地球被摧毁，原因是起飞时机翼飞离出的泡沫留下的一个洞。
Columbia was destroyed during re-entry in 2003 because of a hole in its wing, left there by flyaway foam at liftoff.
通过杂交培育出优良品系，再返植到森林，以保证山葡萄生产所需及山葡萄酒质量。
Such quality breed was then planted in forest to ensure grape quality for wild grape wine production.
他原以为戴西一定会说出一些任性的话来作为回答，自暴自弃地更加“毫无顾忌”——虽然沃克夫人刚才还大发慈悲，劝她迷涂知返。
He expected that answer she(Daisy)would say something rather free, something to commit herself still further to that"recklessness"from which Mrs.
他原以为戴西一定会说出一些任性的话来作为回答，自暴自弃地更加“毫无顾忌”——虽然沃克夫人刚才还大发慈悲，劝她迷涂知返。
He expected that answer she(Daisy)would say something rather free, something to commit herself still further to that"recklessness"from which Mrs.
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