钻孔密封;镗孔密封垫
To use drilling fluid resistivity curve can also check out borehole seal quality, water sealing up effect and borehole water table, figure out some hydrogeological problems.
利用井液电阻率曲线还可检查钻孔封孔质量、止水效果及确定钻孔水位,以解决一些钻孔及水文地质问题。
Oilfield is mined under the condition of function of edge-bottom water, when there is often crowded cement content, and through sealing borehole realize to seal high aquifer.
油田在边底水作用的条件下开采,作业时往往具有挤水泥措施内容,通过封堵炮眼实现封堵高含水层段。
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