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复杂松软突出煤层深孔钻进技术研究

Li-ping YANG

Coal Technology（2018）

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Abstract
针对复杂松软突出煤层深孔钻进难的问题,总结分析了我国煤层钻进技术的现状,并应用新型高强棱状钻杆在21001工作面进行了与常规钻杆现场工业性对比试验.结果表明:运用新型高强棱状钻杆较现行常规打钻深度提高34.6％,效率提高21.1％,可有效解决目前松软突出煤层深孔钻进存在的困难.
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