气煤交叉开采三维可视化及风险预警研究OA

Objectives This study aims to achieve real-time early warning of potential risks in gas-coal over-lapping areas and ensure the safety of gas-coal cross mining.Methods Taking the Daniudi Gas Field and a coal mine in the Hujilt mining area of the Ordos Basin as the engineering background,this study investi-gates the deformation characteristics and vulnerable zones of natural gas wells affected by mining activities.A prediction method for controlling the safe avoidance distance of natural gas wells was established.By inte-grating 3ds Max digital modeling,the Unity3D engine,and C#programming,a three-dimensional visualiza-tion and risk early warning platform was developed,featuring six major functional modules for gas-coal model linkage display and cross-regional risk warning.Results The platform realizes 3D visualization based on virtual-real mapping,laying a solid foundation for early warning system design and development.Through the analysis of field monitoring data,the effects of overburden movement and surface subsidence on the deformation of overlying oil and gas pipelines were revealed,and a 3D visualization of regional sub-sidence contour zoning was constructed.Based on the proposed prediction method for safe avoidance dis-tance control,real-time visual early warning between natural gas wells and coal mining faces was achieved.Furthermore,a comprehensive risk prediction and early warning platform integrating surface subsidence monitoring,pipeline deformation monitoring,and safe distance monitoring of natural gas wells was estab-lished based on GNSS monitoring technology.Conclusions The visualization platform enables 3D display,data monitoring,and real-time early warning in gas-coal overlapping areas.It provides technical support for coordinated gas-coal mining and offers a scientific basis for disaster prevention and control in gas-coal over-lapping regions.