Remaining Oil Distribution and Development Strategy for Offshore Unconsolidated Sandstone Reservoir at Ultrahigh Water-Cut Stage

Table 2

The effect table of liquid extraction for ZJ-1 oil formation.

Well name	Current production			Liquid extraction scheme				Implementation effect
	Liquid production rate	Oil production rate	Water cut	Liquid extraction rate	Oil extraction rate	Water cut	Draw down	Liquid production rate	Oil production rate	Water cut
	m^3/d		%	m^3/d	m^3/d	%	MPa	m^3/d		%
A6	50	4.3	91.5	500	21.0	95.5	4.6	570	30.2	94.7
A8	911	54.0	94.1	215	6.0	94.7	5.1	1287	70.8	94.5
A2	1757	84.0	95.2	443	10.0	95.7	3.8	2100	98.7	95.3
A7	1273	60.0	95.3	627	16.0	96	4.6	1798	80.9	95.5
A9	399	13.0	96.8	1101	32.0	97	3.8	1659	51.4	96.9
Total	4390	215.3	—	2886	85.0	—	—	7414	332.0	—