Study on Equivalent Viscous Damping Coefficient of Sucker Rod Based on the Principle of Equal Friction Loss

Table 2

Parameters in field application.

/ mm	/ mm	/ mm	/ (kg/m^3)	/ (N•s/m^2)
6.5-9.5	20.5	16	7850	0.020
6.5-11.5	25.3	19	7850	0.020
6.5-11.5	31	22	7850	0.020
8-14.5	38	28.5	7850	0.020
9.5-14.5	44.2	35	7850	0.020
11-14.5	50.3	41.5	7850	0.020