Petrophysics / Rock Physics / Geomechanics
ENGA
COMMERCIAL
Enga suite stands as an advanced and comprehensive platform designed to streamline petrophysical, rock-physics, and geomechanical analysis. An easy-to-use interface for setting up projects, loading up data in various formats like .las and .dlis files, managing datasets, displaying logs, and editing data, which includes merging, depth shifting, and log transformation using correlations and workflow functions. The software also delves deeply into petrophysics, elucidating basic to advanced log theories, evaluations, and complex lithology assessment. Enga offers insights into core data handling, fluid property calculations, shale evaluations, and intricate saturation evaluations using multiple methods and equations.
In addition to petrophysics, Enga encompasses an extensive training in rock-physics modeling, covering topics from measured sonic processing to elasticity theory and saturation modeling. Empirical models, overburden stress, pore pressure prediction, and anisotropy modeling are other notable aspects. Enga also introduces users to 1D geomechanics modeling, which ranges from understanding the fundamentals of geomechanics tasks like wellbore stability and fault reactivation to understanding stress and strain dynamics. Overall, Enga is an efficient solution for professionals looking to harness the power of subsurface modeling and analysis.
MODULES
- Base
- Basic Deterministic Petrophysics
- Mud Logging
- Multi Mineral
- Internal programming (Workflow): Python/C#, Calculator
- Statistics
- Geomechanics and PorePressure
- Geosteering
- RockPhysics including anisotropy modeling
- Low Resistivity Low Contrast analysis (LRLC)
- Carbonate analysis
- Cutoff analysis and summation
- Capillary pressure and Saturation Height Function Modeling (SHF)
- Sand-Silt-Clay (SSC)
Dynamic Simulations
OPM Flow Simulator
OPENSOURCE: Flow | OPM (opm-project.org)
OPM Flow is a fully-implicit, black-oil simulator capable of running industry-standard simulation models. The simulator is implemented using automatic differentiation to enable rapid development of new fluid models.
Model formulation:
- black-oil with dissolved gas and vaporized oil
- rock-dependent capillary and relative-permeability curves
- end-point scaling and hysteresis
- oil vaporization controls (VAPPARS)
EOR options:
- Todd-Longstaff type polymer model with adsorption, dead-pore space, permeability reduction, and shear effects (Flow-polymer)
- extra component equation(s), such as a solvent model (Flow-solvent)
Description of geology:
- rectilinear and fully-unstructured grid
- corner-point grids from Eclipse input, including fault and region multipliers, minpv/pinch, etc
Wells and controls:
- bottom-hole pressure and surface/reservoir rate
- group controls
- shut/stop/open individual completions
- history-matching wells
Input/output:
- general reader/parser for Eclipse input decks
- XML-based or simple text-format input of additional parameters
- flexible output of summary and restart files in Eclipse format
- logging to terminal and print file
Simulation technology:
- fully-implicit in time
- two-point flux approximation in space with upstream-mobility weighting
- flexible assembly through the use of automatic differentiation
- block-structured linear solver with ILU0 preconditioner
- CPR preconditioner and multigrid solver
- adaptive step-size controls
ResInsight Pre/Post processor (Eclipse-compatible)
OPENSOURCE: ResInsight | OPM (opm-project.org)
ResInsight is fast 3D visualization of simulation results in Eclipse binary format.
FEATURES:
- NNC visualization
- cell Edge Coloring
- detailed MSW visualization
- combined XYZ properties
- seamless integration to Octave