New Features

Fetkovich IPR relationship added to Oil IPR/TPC analysis for modelling oil reservoir pressure depletion behaviour.

Choke analysis added for sizing single and multiphase wellhead or downhole chokes.

Added linkage to an optional third-party thermodynamic property package for compositional wellbore and pipe flow modelling. SeaPkg, from Virtual Materials Group (http://www.virtualmaterials.com).

New Network Licensing System (NLS) enables network seat check-out by users for temporary field use plus advanced monitoring and control features for administrators.

Known Issues/Fixes

Wellbore schematic completely revised; now draws schematic to scale and permits alternate backgrounds.

Wellbore analysis input table cut-and-paste behaviour improved.

Revised and clarified AWS input.

Critical liquid-lift velocity calculations using Turner, Coleman, or modified-Turner.

Erosion velocity calculation constant now user-specifiable.

Addressed a number of minor interface and performance issues.

Print Preview may not display information in grids accurately to scale on-screen. Hard-copy printouts will usually be fine, however.

Documentation on how to create a new report template or customize the appearance of existing reports available upon request.

New Features

Compositional reporting capability has been added.

Known Issues/Fixes

Wellbore schematic issues, especially with respect to drawing perforated intervals for deviated wells, have been cleaned up.

Datum depth is now specifiable anywhere in productive interval for all wellbore types.

Non-default tuning factor is now flagged.

Fixed minor interface and performance issues.

New Features

Fetkovich IPR relationship added to Oil IPR/TPC analysis for modelling oil reservoir pressure depletion behaviour.

Choke analysis added for sizing single- and multiphase wellhead or downhole chokes.

Added linkage to an optional third-party thermodynamic property package -- SeaPkg, from Virtual Materials Group (http://www.virtualmaterials.com) for compositional wellbore and pipe flow modelling.

New Network Licensing System (NLS) enables network seat check-out by users for temporary field use plus advanced monitoring and control features for administrators.

Wellbore schematic completely revised; now draws schematic to scale and permits alternate backgrounds.

Wellbore analysis input table cut-and-paste behaviour improved.

Revised and clarified AWS input.

Critical liquid-lift velocity calculations using Turner, Coleman, or modified-Turner.

Erosion velocity calculation constant now user-specifiable.

Numerous minor performance improvements, functionality enhancements, and user interface improvements incorporated.

Known Issues/Fixes

Print Preview may not display information in grids accurately to scale on-screen. Hard-copy printouts will usually be fine, however.

Documentation on how to create a new report template or customize the appearance of existing reports available upon request.

New Features

H2S Release Rates can now be calculated anywhere a gas flow rate is computed (Wellbore, Gas AOF/TPC, Oil IPR/TPC, and Pipe analyses) with values reported in Alberta EUB standard units.

A user-modifiable liquid lift velocity calculation has been incorporated. Users can override the standard Turner correlation by modifying liquid density and surface tension via weighting factors.

Parametric gas reservoir model now incorporates pseudo-skin factor calculations to account for non-idealities such as partial penetration of the producing formation, non-orthogonal angle of entry into the producing formation, and horizontal wells.

Wellbore analysis input table is now unlimited (previously limited to 10 rows).

Wellbore analysis now permits local override of wellhead and sandface temperatures.

Gas Reservoir, Gas AOF/TPC, and SF/WH AOF analyses can now readily exchange AOF parameters with one another.

SF/WH AOF analysis now calculates/plots up to 4 wellhead deliverability curves for a given sandface deliverability curve.

Annular flow is now accommodated in the Liquid Lift analysis. Click the "T" button in any row to display the input form for that row.

Known Issues/Fixes

Plot customization interface has been significantly improved. Click any plot element in the left pane to display/change its properties on the right-hand side of the window.

Plot exporting as Windows metafile to file has been fixed.

Minor performance improvements, functionality enhancements, and user interface improvements have also been incorporated.

Print Preview may not display information in grids accurately to scale on-screen but will display once printed to hard-copy.

Documentation on how to create a new report template or on how to customize the appearance of existing reports is available upon request.

New Features

Added parameters for modifying gas reservoir AOF predictions to account for formation penetration angle, partial penetration or fractional completion, and horizontal wells.

Can now display Rawlins-Schellhardt parameters (C, n) calculated for time-dependent deliverability curves generated by the reservoir model.

Known Issues/Fixes

Corrected calculation/display of simultaneous multi-path (Flow Path = BOTH) solutions.

Cut-and-paste into a grid no longer causes aberrant grid resizing.

Case Description handling improved (can now be multi-line, lines no longer concatenated upon entry or in printouts).

Numerous other minor interface/performance improvements.

Export Plot : Metafile --> File option does not work properly. Exporting to the Clipboard does, however, so you can export the plot as a metafile to the Clipboard, paste it into MS Paint, and save it to a file from there. Will be rectified ASAP.

New Features

AWS/Static Gradient analysis now permits evaluation of shut-in bottom hole pressures, wellbore liquid level, and effects of temperature and static fluid pressure gradients.

Link to F.A.S.T. PVTplus™ enables comparison with and matching to fluid physical properties and transport properties predicted by the available correlations.

Fluid properties and correlation adjustment factors from F.A.S.T. PVTplus™ can be imported into VirtuWell.

Case Comparator tool permits side-by-side comparison of inputs and results from any two cases in a file for parametric sensitivity studies and investigation of "what if" scenarios.

Liquid lift potential (Turner velocity criterion) can now be assessed at each point of wellbore configuration change from wellhead to perfs or bottom of tubing (whichever is lower).

Pipe roughness (for Fanning type) or flow efficiency (for Panhandle type) is now displayed, dependent on the pressure loss correlation selected. User-modifiable.

Panhandle flow efficiencies default to the Fekete-suggested optimum value for the correlation selected.
User-added annotations are now supported on all plots.

Known Issues/Fixes

Numerous minor performance improvements and functionality enhancements have been included.

Print Preview may not display information in grids accurately to scale on-screen. However, hard-copy printouts will usually be fine.

Documentation on how to create a new report template or to customize the appearance of existing reports is available upon request.

Known Issues/Fixes

INPUT DATA VALIDITY CHECKS: Input Data Validity Checks blanks for required input coloured red until data is entered, context-specific tool-tips and warnings now displayed when out-of-range or inconsistent information is input.

WIN9x/ME: Win9x/ME GDI resource consumption has been reduced, improving the performance of F.A.S.T. VirtuWell™ under these operating systems.

IMPORTING OLD F.A.S.T. VirtuWell™ (.VIR) FILES: Creates a new case for any analysis with significant input data, saves it in a .VTW file without affecting the original file.

IMPROVED TUBING LOOK-UP TABLES: With extended Coil Tubing table, linked Imperial/Metric entries on the Custom table and double-click entry selection.

New Features

F.A.S.T. VirtuWell™ has a new interface, making it more versatile & easier to use. Some of the features include multiple case capability, a more detailed Wellbore Schematic and tapered tubing is now standard throughout the program.

COMPLEX WELLBORE MODELLING: Complex wellbores can now be modeled, allowing the user to have multiple angles, tapered casing and multiple perforation regions with a percentage of flow from each region. It can also be used to model slant wells more quickly and easily.

NEW MULTIPHASE PRESSURE LOSS CORRELATION: This new correlation is the latest mechanistic model developed by Petalas & Aziz.

NEW IMPROVED PLOTS: We now have a completely new, user friendly, plotting capability that enables the user to scale & edit their plots.

RESERVOIR MODEL: This enables the user to input reservoir information, such as drainage area, porosity, permeability, to generate an AOF curve. Uses will be able to investigate several scenarios simultaneously.

MULTIPLE VOGEL OR COMPOSITE IPR CURVES: F.A.S.T. VirtuWell™ now has both Vogel and Composite (oil, water, total liquid) IPR curves. Water rate can now either be determined by Water Cut or from Productivity Index.

OIL CORRELATIONS: We have given the user the choice of multiple correlations for formation volume factor (Bo), solution gas-oil ratio (Rs) & viscosity (m o), tested and proven in F.A.S.T. PVTPlus™.

OIL AND GAS TUBING PERFORMANCE CURVES: The user can now select from various flow paths for their TPCs.

SANDFACE/WELLHEAD AOF MODULE: It is now possible to transfer the Sandface Calculator results to the AOF Calculator with the push of a button.

EROSIONAL, OPERATING AND TURNER VELOCITIES: These velocities are reported under the velocity tab on the Gas AOF module.

NEW DIAGNOSTICS TABLE: A diagnostics table can now be found in the Wellbore Module as well as the Pipe Module. This displays detailed data for a single segment or entire wellbore. The data is now exportable to Excel or CSV file for printing/plotting.