[Retracted] Integrated Design Technology of Geological Engineering for Pressure Flooding and Water Injection in Low Permeability Reservoirs: Take the Reservoir of Keshang Formation in Wu2 East Area as an Example

Table 4

Comparative data table of pressure drive effect under water injection rate in different periods.

Periodic water injection (104 m^3)	Annual oil increase (t)	Accumulated oil quantity (t)	Half-length of fracturing (m)	End spacing (m)
1.0	1735	1931	31	124
2.0	1671	3053	55	100
3.0	1413	5417	79	76
4.0	1225	5056	109	46
5.0	1014	4541	130	25