dynamograph

n.动力自计器(自动记力计；握力计)

G.Gibbs,Laminar liquid state,Zhang Qi damping model algorithm, the model algorithm chosen according to different well condition，and the accuracy of pump dynamograph can be improved. G.

Keywords arithmetic;recursion;wave equation;pump dynamograph;sucker-rod pumping system; 算法;递推;波动方程;泵功图;有杆抽油系统;

Keywords oilfield realtime monitoring system;pump dynamograph;automatic digitization; 关键词油田实时监控系统;抽油机示功图;自动数字化;