在线趋势预测是实现以先进的预知维护取代传统的以时间为基础的预防性维护的关键技术,人工神经网络在线预测是进行机械设备趋势预测的新途径.探讨了将神经网络应用于油田大型注水泵的趋势预测技术,建立了注水泵人工神经网络趋势预测模型,进行了工业现场注水泵神经网络在线趋势预测技术的应用研究及实践验证. On-line trend forecasting is a key technology to replace the traditional time-based preventive maintenance with advanced predictive maintenance.Artificial neural network online forecasting is a new way to predict the trend of mechanical equipment.Application of neural network to large-scale oilfield injection Water pump trend forecasting technology, the establishment of the water injection pump artificial neural network trend forecasting model, carries on the industrial field water injection pump neural network on-line trend forecasting technology application research and the practice verification.