DEPARTMENT OF PETROLEUM ENGINEERING DWIGHT LOOK COLLEGE OF ENGINEERING TEXAS A&M UNIVERSITY

Model Calibration and Efficient Reservoir Imaging (MCERI)

A JOINT INDUSTRY PROJECT

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  • GRACE (Data correlation)
The GRACE program generates an optimal correlation between a dependent variable (say, y) and multiple independent variables (say, x1, x2, x3 .....x30). This is accomplished through non-parametric transformations of the dependent and independent variables.A common application is to correlate core permeability with well logs.
Download GRACE and manual
  • E-FACIES(Electrofacies characterization)
E-FACIES partitions the well log data before building correlation and is based on Multivariate Analysis of Well Logs. Generally a suite of well logs can provide valuable but indirect information about mineralogy, texture, sedimentary structure, fluid content and hydraulic properties of a reservoir. The distinct log responses in the formation represent electrofacies that often can be correlated with actual lithofacies identified from cores, based on depositional and diagenetic characteristics.
Download E-FACIES and manual
  • S3D(3D streamline simulator)
S3D is a 3-D streamline simulator for tracer flow and two-phase (oilwater or miscible flooding) displacement. The approach comprises of two steps: generating streamlines in 3D space and then solving the 1D equations analytically or numerically along the streamlines. The following are the important features of S3D.
    1. Field–scale waterflood simulation
    2. Pressure updating
    3. Infill drilling / changing well configuration
    4. Miscible flooding capability
  • S3D-INV (Streamline-based production data inversion)
S3D-INV is capable of performing two-phase production data inversion and interwell tracer test data inversion. For both of the cases, the estimable parameters are either absolute permeability or porosity. For the special case of tracer inversion, estimation of residual oil saturation is possible with the use of partitioning tracer test data.
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S3D-INV is based on streamline-derived sensitivities and on iterative linearized minization scheme. It can account for gravity and changing streamlines.

Download S3D-INV and manual

  • ECLIPSE-INV / VIP-INV / FRONTSIM-INV
These are specical purpose software programs designed for history mataching using commercial flow simulators.

Please contact Dr. Akhil Datta-Gupta.

The source codes (C++ and FORTRAN) for the programs are available to MCERI members only.