spot drilling

  • spot drilling
  • 释义

    定心钻

纠错 数据更新时间:2026-04-19 16:11:29
1、

In construction process, because landform is restricted, modern drilling equipment cannot throw spot to use.

施工过程中, 因地形限制, 现代化钻孔设备无法投入现场使用.

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2、

In the testing on the spot, with the method of undamaged testing for priority and drilling core for supplement, the author gets the concrete intensity of main components.

现场检测中,采用了以非破损检测法为主,以钻芯法为辅的测试方案,确定了主要构件的混凝土强度。

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3、

Spot evaluation test, which was carried out by the method of corrosion test ring, results show: composite inhibitor is consistent to saturated saltwater drilling fluids, its inhibition efficiency is about 90%.

运用腐蚀试验环法进行现场评价试验,结果表明:该复合缓蚀剂和饱和盐水钻井液配伍性良好,现场缓蚀率达到90%左右,效果明显。

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