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我组曾在468队祁东分队进行塑料堵漏试验工作。分两个阶段进行：第一阶段从1973年10月16日至11月24日，约40天，在4号机及2号机灌浆6处，灌浆次数16次。第二阶段从1973年12月5日至26日，在468队4号机及408队“五四青年号”钻机，重点是研究测量方法，仅在“五四”号钻机进行堵漏灌浆1次。在7处灌浆点的堵漏中，有4处堵漏完全成功，2处因漏失位置不准以及1处因钻孔超径过大（达320毫米以上）而未获效果。在17次的灌浆中，除4次地表混合因凝固时间掌握不好及1次工具出毛病外，其余12次孔内混合灌浆效果均良好。试验中灌浆量最大达100公
My team had Qidong 468 teams in plastic plugging test work. In two stages: The first stage from October 16, 1973 to November 24, about 40 days, in Unit 4 and Unit 2 grouting 6, grouting 16 times. The second phase From December 5, 1973 to December 26, 468 Team 4 and 408 team “May Fourth Youth” rig, the focus is to study the measurement method, only in the “May Fourth” rig plugging grouting 1 Times. In the plugging point at 7 grouting points, 4 plugging completely succeeded, 2 were not allowed to lose their position and 1 was overstated due to oversize drilling (up to 320mm), but no effect was found. In the 17 grouting, in addition to 4 times the surface mixing due to poor control of the solidification time and a tool out of the disease, the remaining 12 holes mixed grouting effect is good. Test the maximum amount of grouting up to 100 public