中国安全科学学报 ›› 2022, Vol. 32 ›› Issue (3): 84-89.doi: 10.16265/j.cnki.issn1003-3033.2022.03.011

• 安全工程技术 • 上一篇    下一篇

矿山巷道救援生命保障孔轨迹设计与控制方法

周兢1,2(), 刘永升3,**(), 豆子钧3, 阴慧胜1, 张彪1, 陈国强3   

  1. 1北京大地高科地质勘探有限公司,北京 100043
    2中国煤炭地质总局,北京 100038
    3中国地质大学(北京) 工程技术学院,北京 100083
  • 收稿日期:2021-12-12 修回日期:2022-02-15 出版日期:2022-08-23 发布日期:2022-09-28
  • 通讯作者: 刘永升
  • 作者简介:

    周 兢 (1982—),男,江西万载人,硕士,高级工程师,主要从事地质勘查钻孔救援技术等方面的工作。E-mail:
    周兢 高级工程师, 刘永升 副教授

  • 基金资助:
    国家自然科学基金资助(42002307); 国家重点研发计划项目(2018YFC0808200)

Trajectory design and control method of life-support hole in mine rescue

ZHOU Jing1,2(), LIU Yongsheng3,**(), DOU Zijun3, YIN Huisheng1, ZHANG Biao1, CHEN Guoqiang3   

  1. 1Beijing Dadi High-tech Geological Exploration Co., Ltd., Beijing 100043, China
    2China National Administration of Coal Geology, Beijing 100038, China
    3School of Engineering and Technology, China University of Geosciences, Beijing 100083, China
  • Received:2021-12-12 Revised:2022-02-15 Online:2022-08-23 Published:2022-09-28
  • Contact: LIU Yongsheng

摘要:

为解决矿山巷道应急钻探救援过程中生命保障孔实钻轨迹中靶问题,运用解析几何方法对连通轨迹和巷道进行设计建模,并开展生命保障孔轨迹设计与控制方法研究。首先,综合考虑井口与连通点之间的相对位置,确定生命保障孔轨迹的设计类型,并给出矢量求解的轨迹计算方法;其次,针对钻探救援目标位置不确定和轨道控制要求高的特点,优选出“增-稳-增”设计剖面,并提出分段轨迹连通设计方法;然后,以缩小救援目标位置的不确定性为目标,提出点到面的轨迹连通方法及二次连通的轨迹控制模型;最后,结合井眼设计资料及实钻数据,以实例验证所建模型。结果表明:该设计计算方法可避免繁琐的试算和校核,同时减少连通轨迹长度的6.7%;所提轨迹控制方法可克服传统钻探救援技术频繁进行扭方位操作造成的弊端。

关键词: 矿山巷道, 救援目标, 生命保障孔, 轨迹设计, 轨迹控制, 二次连通

Abstract:

In order to solve target problem of actual drilling trajectory of life support hole during emergency rescue process in mine roadway, analytical geometry method was used for design and modelling of connected trajectory and roadway, and research on design and control method of life support hole trajectory was carried out. Firstly, considering the relative position between wellhead and connecting point, profile type of the trajectory was determined, and a vector calculation method for it was provided. Secondly, in view of the uncertain position of rescue target and high requirements for trajectory control, "increase-stability-increase" design profile was selected, and a segmented trajectory connection design method was proposed. Then, with the goal of reducing uncertainty of rescue target position, a point-to-surface trajectory connection method and a secondary connected trajectory control model were put forward. Finally, based on wellbore design material and actual drilling data, an example was utilized to verify the established model. The results show that the proposed design calculation method avoids tedious calculations and checks, and at the same time reduces length of connected trajectory by 6.7%. Moreover, the trajectory control method overcomes the disadvantages of frequent twisting and azimuth operations of traditional rescue techniques.

Key words: mine roadway, rescue target, life-support hole, trajectory design, trajectory control, second connection