name	date	time	Q
well_1	1985-10-01	7:00:00	0
well_1	1986-03-01	12:00:00	-60000
well_1	1986-06-01	15:00:00	-140000
well_1	1986-09-01	12:00:00	0
well_1	1986-12-01	12:00:00	0
well_2	1985-10-01	8:00:00	0
well_2	1986-03-01	10:00:00	-40000
well_2	1986-05-01	11:00:00	-80000
well_2	1986-07-01	8:00:00	-120000
well_2	1986-09-01	9:00:00	0
well_2	1986-12-01	12:00:00	0
well_3	1985-10-01	12:00:00	0
well_3	1986-03-01	14:00:00	-50000
well_3	1986-06-01	14:00:00	-80000
well_3	1986-09-01	7:00:00	0
well_3	1986-12-01	12:00:00	0
