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Application of Pressurized Cementation Sealing Technology with Casing to Gas Pressure Measurement
Author(s): 
Pages: 34-37
Year: Issue:  3
Journal: Coal Science and Technology

Keyword:  瓦斯压力煤层测压技术套管带压固结封孔技术;
Abstract: 针对在顶底板承压水大、裂隙发育的煤层中各种测压封孔技术所存在的问题,提出了利用套管带压固结封孔技术进行注浆封堵顶底板裂隙,阻止承压水和裂隙水进入测压室,同时减小测压室体积,缩短瓦斯压力平衡时间,实现快速准确测定煤层瓦斯压力.应用该技术对鑫珠春煤矿一5煤层进行了瓦斯压力测试试验并取得成功.
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