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With millions of dollars at stake on any given project, the key to success is being able to accurately quantify the risk. KINGDOM’s EarthPAK provides interpreters with the tools they need to evaluate even the most complex structural, stratigraphic, and reservoir relationships with ease. The results can then be readily shared with colleagues to determine whether an exploration and development investment could lead to a windfall—or fall short.
EarthPAK provides a log analysis application that combines intelligent defaults and statistical curve analysis to minimize required user input. Because it can simultaneously process many wells with varying log suites and perform iterative, single-well analysis, geoscientists can rapidly perform reconnaissance log analysis on many wells at one time. And its neural network-based missing log section replacement capability brings advanced science to the generalist interpreter.
EarthPAK's petrophysical analysis is zone-based and integrates seamlessly with KINGDOM zone calculations for mapping and volumetrics. Its integration allows targets to be quickly identified for more in-depth study. All calculation parameters can be saved, edited, and recalled so that an analysis can be repeated and refined.
EarthPAK requires only two parameter selections: Zone and Reservoir Lithology—but has the flexibility of choosing from 7 porosity models, 4 Gamma Ray models, and 15 water saturation models. By examining curve statistics, many input parameters needed for the calculations are automatically determined. These parameters are easily accessible and can be refined when direct information is available.
Benefits
- Allows generalist interpreters access to key petrophysical capabilities
- Neural network-based log reconstruction enables more accurate interpretations
- Multi-well capability significantly improves interpretation workflow
Key Features
- Enhanced log aliasing introduces a large library of recognized logs. In addition, aliases can be added to the table for future use in any project.
- Crossplot overlays are used as an indication of reservoir lithology. EarthPAK provides overlays for Density/Neutron, Sonic/Neutron, and Density/Pe. Also provided is an interactive Pickett-Buckles crossplot for Rw and water cut estimation.
- Interactive Vshale displays for each well show the program-derived Clean and Shale baselines on the GR and SP curves. These baselines may be edited graphically or manually.
- Available spreadsheets enable bulk editing of a single parameter, such as Rw, for many wells at one time.
- Specialized log displays for quality checking input logs and interpreting calculated logs.
- Advanced curve editing utilities include multi-well normalization, multi-well despiking, automatic depth shifting, and nearest value blocking.
- A highly automated, neural network-based utility is included for the reconstruction
of missing or corrupted log curve intervals.
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