煤岩体水力压裂裂缝微震监测软件开发研究

针对煤岩体水力压裂诱发波形到时拾取不准、裂缝定位效果差的问题，研究提出了STA/LTA与AIC联合到时拾取方法及单纯形定位方法。在搭建软件总体架构的基础上，采用python言语与Visual Studio Code编辑器，将波形到时拾取、震源定位算法及相应功能程序化，设计开发了煤矿煤岩体水力压裂裂缝微震监测软件。在实验室内开展原煤真三轴水力压裂实验，将采集的数据输入软件，进行波形到时拾取与破裂源定位，验证该软件的可靠性与先进性。结果表明：该软件可拾取波形的精确到时，进行破裂定位，达到了刻画煤岩体水压裂缝空间形态的目的，这对于现场水力压裂裂缝监测及优化设计压裂方案具有重要意义。

Development of microseismic monitoring software for hydraulic fracturing fracture in coal and rock mass

Hydraulic fracturing is an effective technical means for the prevention and control of coal rock dynamic disasters such as rock burst, coal and gas outburst in coal mines. Hydraulic fracturing of coal and rock mass can induce a large number of weak microseismic signals. Aiming at the problems of microseismic signal identification and fracture location monitoring of hydraulic fracturing of coal and rock mass, the overall architecture of microseismic monitoring software for hydraulic fracturing of coal and rock mass was proposed. The microseismic monitoring software system for hydraulic fracturing of coal and rock mass in coal mine was designed and developed by using python language and Visual Studio Code editor. Based on engineering practice requirements, the software adopts modular design concept, including project management, parameter configuration, data call, data analysis and processing, three-dimensional visualization, event preservation and export function modules. The software interface is simple and easy to operate, which realizes the accurate identification of weak microseismic signals induced by hydraulic fracturing in coal and rock mass, the source location and source mechanism analysis of hydraulic fracturing. The spatial coordinates and source mechanism of hydraulic fracturing microseismic location events are visualized in three-dimensional, so as to dynamically depict the propagation process and spatial morphology of hydraulic fracturing in coal and rock mass. The research results provide effective technical means for the monitoring of hydraulic fracturing of coal and rock mass in coal mines, which is of great significance for the optimization design of hydraulic fracturing in the field.