Open your eyes, feel the cracks in the window of that beam drilling to bring the warmth of the sun, this world really beautiful!

睁开眼睛，感受着从窗户缝隙中钻进来的那束阳光所带来的温暖，这世界真美好！

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In the washing Windows process, downhole drilling of violent vibration seriously affect the quality of construction, to further window is difficult.

在侧钻开窗过程中，井下钻具的剧烈振动严重影响开窗质量，给进一步施工带来困难。

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While under the condition of high temperature and high pressure, the safe drilling in thin safe density window is the technical difficulty that can not be solved well around the world.

随着深部油气藏的勘探和开发，深井及超深井的数量大幅度增加，而深井超深井在高温高压条件下，窄安全密度窗口内的安全钻井是当前国内外都未能很好地解决的重大技术难题。

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Yesterday it asked the feds to extend its window of drilling by two weeks.

FORBES: Gazprom Bows To Shale Boom, Cancels Shtokman Plans

Drilling of the Beaufort wells have not yet been approved, and the window of opportunity there closes by Halloween.

FORBES: After Mishaps, Shell Dials Back Arctic Oil-Drilling Plans