Research Article

Simulation and Production Optimization on Enhanced Oil Recovery during the Middle and Late Period for SAGD Development in Ultraheavy Oil Reservoirs with Interlayers

Figure 12

Temperature profiles and oil saturation profiles of the different schemes for model C.
(a) The 6th round (1360 d) huff and puff () of infilled vertical producer
(b) The 6th round (1360 d) huff and puff () of infilled horizontal injector between SAGD well pair
(c) The 6th round (1360d) huff and puff () of infilled horizontal injector above interlayer