Table 1: Recommended maximum pump depths and displacements for different combinations of downhole linear motors and pump diameters.

Linear Motor	Rated Voltage /V	Rated Power /kW	Maximum Motor Thrust Force /kN	Pump Diameter /mm	Maximum Displacement /(m3/d)	Maximum Pump Depth /m
WFQYDB-114-380-(8~15)	380	15	8	28	7	1000
				32	10	800
WFQYDB-114-380-(10~20)	380	20	12	28	7	1500
				32	10	1100
WFQYDB-114-660-(20~35)	660	35	24	28	7	2600
				32	10	2200
				38	15	1500
				44	20	1000
				50	26	900
				57	35	800
WFQYDB-114-1140-(30~50)	1140	50	45	32	10	3000
				38	15	2500
				44	20	1600
				50	26	1400
				57	35	1200
				70	50	800
WFQYDB-114-1140-(40~80)	1140	80	65	57	35	1600
				70	50	1200
				83	75	900
				95	100	700