A Two-Phase Model Coupling Reservoir and Horizontal Well Flow Dynamics SPE 69570
Language: Inglés Series: Vicente, Ronaldo ; Publication details: Dallas, Texas Society of Petroleum Engineers 2001Online resources: Summary: A fully implicit, three-dimensional simulator with local hybrid grid refinement around the wellbore is developed to solve reservoir and horizontal well flow equations simultaneously for liquid-gas flow systems. The model implements the conservation of mass equations in the reservoir and conservation of mass and momentum in the wellbore for isothermal conditions. Establishing the continuity of pressure and preserving mass balance at the sandface satisfy the coupling requirements between the two computational domains. The hydrodynamic model for the wellbore is based on the homogeneous flow assumption. The model is used to simulate the transient pressure and flow rate behaviors of reservoir and horizontal wellbore. The traditional approach of decoupling of wellbore flow from reservoir flow does not capture the horizontal well pressure and flow rate transients at early times since the interaction between the reservoir and wellbore is inherently neglected. Simulation runs with the proposed model reveal the realistic characteristics of horizontal wellbore storage and unloading. By conducting a series of parametric study, effects of permeability, formation thickness, well length, fluid compressibility, reservoir anisotropy, and selective completion strategies on the coupled reservoir and horizontal well flow dynamics are investigated.| Current library | Status | Barcode | |
|---|---|---|---|
| Biblioteca virtual | Not for loan | 200003179 |
A fully implicit, three-dimensional simulator with local hybrid grid refinement around the wellbore is developed to solve reservoir and horizontal well flow equations simultaneously for liquid-gas flow systems. The model implements the conservation of mass equations in the reservoir and conservation of mass and momentum in the wellbore for isothermal conditions. Establishing the continuity of pressure and preserving mass balance at the sandface satisfy the coupling requirements between the two computational domains. The hydrodynamic model for the wellbore is based on the homogeneous flow assumption. The model is used to simulate the transient pressure and flow rate behaviors of reservoir and horizontal wellbore. The traditional approach of decoupling of wellbore flow from reservoir flow does not capture the horizontal well pressure and flow rate transients at early times since the interaction between the reservoir and wellbore is inherently neglected. Simulation runs with the proposed model reveal the realistic characteristics of horizontal wellbore storage and unloading. By conducting a series of parametric study, effects of permeability, formation thickness, well length, fluid compressibility, reservoir anisotropy, and selective completion strategies on the coupled reservoir and horizontal well flow dynamics are investigated.
