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 groupProduction patternAccumulative oil increment (104 m3)Production-injection ratioRecovery efficiency increment (%)Comprehensive evaluation index

B6 well groupConformance control flooding1.412.481.881.92
Thermal recovery2.193.063.562.94
Combined operation5.266.297.366.30