China Coal Research Institute
CCTEG Xi’an Research Institute (Group) Co., Ltd.

近钻头随钻测量集成了近钻头多参数测量、跨螺杆钻具供电和通信、涡轮连续发电和高速泥浆脉冲无线传输等多项关键核心技术，可以获取钻头附近多种类型参数，是煤矿井下智能钻探技术的关键组成之一。在充分借鉴地面石油与天然气钻探领域近钻头随钻测量开发经验和发展路径的基础上，分析了现有技术应用于煤矿井下的局限性，依托煤矿井下现阶段随钻测量技术，提出了煤矿井下近钻头随钻测量技术的研究思路，探讨了煤矿井下近钻头随钻测量技术的研究现状，重点解决结构小型化、仪器单元化、防爆模块化、测量协同化和控制整体化的研发技术难题。在煤矿智能化建设大背景下，提出未来需要从近钻头多参数一体化测量、近钻头参数动态监测、近钻头旋转导向钻进和近钻头自适应钻进等方面入手，大力推动煤矿井下近钻头随钻测量与5G通信、大数据、云计算、物联网等新一代信息技术的融合发展。

Near-bit meusurement while drilling (MWD) integrates several key technologies such as near-bit multi-parameter measurement, power supply and communication across positive displacement motor drills, turbine continuous power generation and high-speed mud pulse wireless transmission, capable of obtaining various types of parameters near the bit. It is one of the key components of intelligent drilling technology in underground coal mine. Herein, the limitation of the existing technology applied in coal mine was analyzed with full reference to the development experience and development path of near-bit MWD in the field of surface oil and gas drilling. Meanwhile, the research idea of near-bit MWD technology in underground coal mine was proposed based on the current MWD technology in coal mine. Besides, the research status of near-bit MWD in underground coal mine was discussed, focusing on solving the technical challenges for structure miniaturization, instrument unitization, explosion-proof modularization, measurement collaboration and control integration. Under the background of intelligent construction of coal mine, it was proposed to vigorously promote the integrated development of near-bit MWD in underground coal mine with next-generation information technologies such as 5G communication, big data, cloud computing and the Internet of Things in future, from the aspects of near-bit multiple paraeters integration measurement, near-bit parameter dynamic monitoring, near-bit rotary steerable drilling and near-bit adaptive drilling.

陕西省重点研发计划项目(2023-YBGY-082)；贵州省科技计划项目(黔科合支撑[2022]一般006)；天地科技重点项目(2022-2-TD-ZD006)

郝世俊，褚志伟，李泉新，等. 煤矿井下近钻头随钻测量技术研究现状和发展趋势[J]. 煤田地质与勘探，2023，51(9)：10−19.

HAO Shijun，CHU Zhiwei，LI Quanxin，et al. Research status and development trend of near-bit MWD in underground coal mine[J]. Coal Geology & Exploration，2023，51(9)：10−19.