Simulation and Experimental Study on Fishing Performance of Vacuum Suction Wellbore Cleaning Tool

Table 5

Cases of different through-hole numbers of screen tube.

Case	Aperture (mm)	Number of axial distributions	Total area of screen hole (mm^2)
18	5	1	526.5
19		3	1579.5
20		5	2632.5
21		10	5265
22		20	10530
23		30	15795