A need for a reduction in energy intensity and greenhouse gas emissions of bitumen heavy oil recovery processes has led to the invention several methods where mass-transfer-based terms cold or heated solvent injection are used reduce viscosity rather than steam injection. Despite extensive numerical experimental investigations, field results not always aligned what is predicted unless history m...

The vapor extraction (VAPEX) process, a solvent-based enhanced oil recovery process has been found promising for some heavy oil reservoirs. In this work, the VAPEX process is studied using a compositional simulator on a number of single-block and multiple block fractured systems. PVT data of one of an Iranian heavy oil reservoir are used to tune the equation of state. Effects of fracture sp...

the vapor extraction (vapex) process, a solvent-based enhanced oil recovery process has been found promising for some heavy oil reservoirs. in this work, the vapex process is studied using a compositional simulator on a number of single-block and multiple block fractured systems. pvt data of one of an iranian heavy oil reservoir are used to tune the equation of state. effects of fracture spacin...

Accurate simulation of the VAPEX process relies heavily on precise modeling solvent chamber propagation. In previously developed models, possesses either a linear, circular, or parabolic shape. this study, an exponential model was considered to represent propagation throughout spreading and falling stages process. The tuning parameters proposed include function coefficient transition region thi...

In this work, the dispersion of butane in heavy oil and bitumen is experimentally determined during the Vapex process with varying drainage heights. The experiments were performed at room temperature (22 o C) using butane as solvent at the dew point pressure. We used cylindrical models with different heights varying from 15 to 45 cm, packed with uniform mixture of heavy oil and glass beads. Fro...