摘要
针对进口定向钻进装备配套钻具在使用过程中出现的问题,结合我国煤矿具体地质赋存特点和定向钻进技术要求,通过对定向钻进配套钻具工作条件分析、材料优选、结构优化和性能检测,确定了中心通缆钻杆的螺纹结构和信号传递装置结构,研制成功了高强度73 mm中心通缆钻杆及其配套钻具,并制定了钻杆的性能检测标准。现场工业性试验期间,利用73 mm中心通缆钻杆实现了煤矿井下近水平定向钻进钻孔深度1 212 m,钻进过程中信号传递实时、高效、可靠,可满足煤矿井下随钻测量千米孔深定向钻进的使用要求。
According to the problems occurred in the operation process of the drilling tools matched with the imported directional drilling e- quipment, in combination with the certain geological deposition features of the coal mine in China and the directional drilling technical re- quirements, with the analysis on the working conditions for the drilling tools matched with the directional drilling, the material optimized se- lection, structure optimization and the performances detection, the thread structure of the cable central passing mode drilling pipe with large inner hole and the signal transmission device structure were set up.The high strength inner diameter 73 mm cable central passing mode drilling pipe and the matched drilling tools were successfully researched and developed.The standard of the drilling pipe detection was set up. During the industrial trial period, the inner diameter 73 mm cable central passing mode drilling pipe was applied to realize the 1 212 m depth borehole drilled with the horizontal directional drilling in underground mine.The real-time, high efficient and reliable signal trans- mission in the drilling process could fully meet the application requirements of the 1 000 m directional drilling with the drilling measuring system.
出处
《煤炭科学技术》
CAS
北大核心
2013年第3期24-27,共4页
Coal Science and Technology
基金
国家科技重大专项资助项目(2011ZX05041-001)
关键词
近水平定向钻进
随钻测量
中心通缆钻杆
瓦斯抽采
horizontal directional drilling
drilling measuring
cable central passing mode drilling pipe
gas drainage
