| Mass conservation for each fluid component individually | ||
| Integrate over the entire pay volume | ||
| |||
| |||
| |||
| |||
|
|
For the MBO fluid:
| |||
|
| ||
|
| ||
| |||
Next step is to write the equations explicitly for MBO fluid.
| |
| |
| |
| |
| |
| |
| |
| |
| |
where | |
|
With new definitions:
|
| ||
|
| ||
|
|
The equations can be finally explicitly express sturations:
| |
| |
|
Now summing up and taking into account that one arrives to a single equation:
| |
| |
|