Research Article
Recovery Method and Parameter Optimization of a Pilot Test for Conformance Control Flooding and Thermal Recovery in the Offshore Heavy Oilfield
Table 11
The effect contrast of three production patterns of the B6 well group.
| Well group | Production pattern | Accumulative oil increment (104 m3) | Production-injection ratio | Recovery efficiency increment (%) | Comprehensive evaluation index |
| B6 well group | Conformance control flooding | 1.41 | 2.48 | 1.88 | 1.92 | Thermal recovery | 2.19 | 3.06 | 3.56 | 2.94 | Combined operation | 5.26 | 6.29 | 7.36 | 6.30 |
|
|