Advanced Logic Technology WellCAD 5.5 Build 427 (x64)

What's new in WellCAD 5.5

Linear Structure Picking (ISI module)
Linear structures or lineations are penetrative linear elements within a rock and can be compared to a vector intersecting the borehole cylinder. The origins of lineations can be complex and may be caused by recrystallization, dissolution or rotation of minerals (Mineral Lineations) or may be produced by deformation or intersection of planar structures (Geometric Lineations such as a fold axis).
The new Lineation Log allows interactive picking the orientation, presentation, and classification of linear structure features.


Partial Picks (ISI module)
In an unwrapped borehole image, a partial structure (e.g. eroded bedding plane) is seen as a segment of a sinusoid. The classic way of picking planar features from a borehole image has been extended to manually pick one or multiple visible segments of a sinusoid. A Feature Depth - the depth of the visible segment - and the center depth of the full sinusoid are derived and available in the data table.


Terzaghi Correction (ISI module)
The statistical analysis of geological structure picks along a borehole axis causes an orientation sampling bias. Planar features intersecting the borehole axis perpendicularly are easier to detected compared to features intersecting the borehole axis at a high angle (almost parallel).
The Terzaghi correction applies a weighting factor based on the acute angle between structure and borehole axis to each pick prior to deriving statistics.
Process Performance Improvements (ISI module)
The performance of the Color Classification and Image Normalization processes have been improved by a factor 5 and more.


Borehole Image (BHI) Data Loading (LIS/DLIS module)
BHI tools exist with various configurations of pads, number of sensor buttons, and data packaging. Two dialog boxes have been added to ease the process of reconstructing oriented images from the imported data.
The new BHI data import process will allow you to adapt the tool configuration to the imported data channels and preview the image before commencing the final conversion.
It replaces the previous FMS/FMI import Wizard.


Workspace Data Export
Data from WellCAD workspaces can be pushed into already existing logs of the borehole document.
A confirmation from the user will be required when amending or overwriting data.
CoreCAD
New lithology dictionaries for the Shell 1995 series are now available in the Dictionaries folder.
New core description templates for a basic description of Carbonates and Clastics have been added to the Templates folder.


Spinner Flowmeter Calibration (Basic module)
The workspace takes line (or logging) speed and spinner frequency curve pairs of calibration runs, computes interval averages over user defined zones and adds the data to a cross-Description. A linear regression applied to the data will provide the calibration model which will automatically be saved as part of the borehole document containing the calibration data.


Flow Velocity and Bulk Flow Process (Basic module)
This process can be used to compute a flow velocity from measured spinner frequency data and apply a compensation for the logging speed. If borehole caliper information is available (either as a log or constant value) the volumetric flow rate (e.g. in m3/h or gal/h) can be calculated. A calibration model created in the Spinner Calibration Workspace is required for compensations of cable speed and calculations carried out by the process.


Flowmeter Workspace Improvements (Basic module)
The Flowmeter Workspace has been improved to handle in-flow and outflow situations.
Instead of defining no-flow zones by dragging an interval the option to add boundaries between calculation intervals with a single SHIFT + left click combination has been added.


Script Editor (Automation module)
The new Script Editor in WellCAD is fully embedded in the software and allows the creation and execution of Visual Basic Scripts (VBS). It is planned to release a version supporting Python scripts later in 2022. Besides syntax highlighting and quick launch buttons the editor offers an Object Browser to insert methods, parameters and properties conveniently with a double click.
pyWellCAD, a WellCAD module for Python, is under development and will be officially released later in 2022. A BETA version of pyWellCAD, acting as wrapper for the current COM implementation, will be available with WellCAD v5.5.




Cement Bond Index and Compressive Strength Process(Basic module)
Two new processes are available as part of the Full Waveform Sonic (FWS) processing add-on. The Cement Bond Index is derived by comparing the signal attenuation in partially cemented zones and intervals of good cementation while the Compressive Strength of bonded cement for a specific casing type can be estimated from the amplitude of the first casing arrival.


WellCADis a modular processing and interpretation package for borehole logs. The software permits the user to process on a well by well basis, making it quick and simple to combine and compare logs recorded by multiple probes. The software also boasts a large suit of processing and analysis tools for calculating specific rock properties or correcting data.
RG HiRAT Processing with WELLCAD Part 1 - First Report
RG HiRAT Processing with WELLCAD Part 2 - Using Templates
Founded in 1993,Advanced Logic Technology- known globally as ALT - is recognized as a leading provider of slim-hole imaging instrumentation like the ABI (acoustic) and OBI (optical) lines of televiewers, high-end Matrix and Opal data logging systems, the MX line of rugged, reliable winches, and high-tech probes engineered for demanding subsurface investigations.




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Advanced Logic Technology WellCAD 5.5 Build 427 (x64)

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