Assuming Voidage replacement ratio (VRR)=1 to calculate water produced

[myjabbar]

For CO2-EOR floods VRR =1 is assumed since the reservoir pressure is maintained and to be maintained > MMP for miscible floods.

Injected reservoir volumes = produced reservoir volumes

Assuming for sour gas injection path (Path 6)

GVF of fresh CO2 (Inj. Fresh CO2 in SCF) + GVF of recycle gas (Inj. recycle gas in SCF) + WVF of inj. water (Inj. water in STB) = GVF of gas in reservoir (produced gas in SCF) + WVF of Brine (**Prod. Brine in STB**) + FVF of crude oil in reservoir (Prod. oil in STB)

• The brackets are primary inputs from the user

Where the following can be taken from Flow Sheet

Injected

• GVF of CO2 from offsite for gas flooding (m3/std-m3) - Cell CD75
• GVF of sour gas reinjection compressor (m3/std-m3)- Cell BW75
• WVF of inj. water (m3/std-m3) - Cell DA84

Produced

• GVF of reservoir gas (m3/std-m3) - Cell AD75
• WVF of prod. water treatment to reinjection - Cell DN84
• FVF of crude oil in reservoir (bbl/STB) - Cell F34

Using the above assumption to calculate water produced is higher compared to the default correlation in the OPGEE using field age. Do you think voidage calculation can be better representative?

[arbrandt]

I think this could be a great addition to a future model version. Welcome you to tackle this on a side version and add it to explore the implications. I can then think about adding it into the main line. We have too many things going on with the 3.0 update to add it right now.