PDC钻头破岩仿真系统离散化方法研究  

DISCRETIZATION RESEARCH ON THE ROCK FRAGMENTATION SIMULATION SYSTEM OF PDC BIT

作　　者：周春晓[1] 杨迎新[1] 任海涛[1] 陈炼[1] 

机构地区：[1]西南石油大学,四川成都610500

出　　处：《石油工业计算机应用》2010年第2期26-29,共4页Computer Applications Of Petroleum

摘　　要：PDC钻头和岩石的离散化技术是PDC钻头钻进仿真系统的关键技术之一。介绍了虚拟PDC齿、虚拟井底和虚拟井壁的离散化方法,分析、对比了PDC齿不同离散化方法的优缺点,研究了虚拟PDC齿、虚拟井底和虚拟井壁表面上各离散点坐标的计算模型,并在Matlab环境下实现了钻进仿真系统几何模型的可视化。PDC bit and rock discretization technology is one of the key technologies in PDC bit drilling simulation system.The paper presents the discretization method for virtual PDC teeth,bottom hole and side wall,comparison of different discretization methods of PDC teeth and computational model for each discrete point coordinate.Visualization of the geometrical model for the drilling progressing simulation system is realized under Matlab circumstance.It lays a foundation for studying the relationship between PDC bit and rocks under complex drilling progressing condition with digital simutation technology.

关 键 词：PDC钻头 离散化 仿真 PDC齿 岩石 

分 类 号：TE921.1[石油与天然气工程—石油机械设备]