This video presents a step-by-step walkthrough of the WellCAD Core Shifter workspace, demonstrating how to align and adjust core data relative to well logs in order to improve depth consistency and interpretation quality.

The workflow begins by opening the Core Shifter workspace and selecting the relevant interval logs that contain discontinuities, such as lithology and core box logs. These inputs allow WellCAD to calculate core recovery and visualize gaps, overlaps, and depth inconsistencies directly within the workspace.

Users then configure the display by selecting the logs required for the analysis, including a reference log. In this example, the gamma ray log, along with supporting data such as clay content, core photos, lithology, and box numbers. All logs except the reference are designated as shiftable, ensuring that the reference remains fixed during alignment.

Once the workspace is set up, the video demonstrates how depth shifts are applied interactively. By selecting specific intervals and dragging log nodes, core-derived properties (such as clay content) can be visually matched to the reference log. All depth adjustments are automatically recorded in a dedicated shift log, with gaps, compressions, and extensions clearly identified.

The video also covers the management of more complex core conditions, such as rubble zones and reversed core sections. It shows how to add new discontinuities, flip selected core intervals vertically, and extend or compress sections to close gaps — all while respecting constraints that prevent overlaps between adjacent core intervals. Extension and compression limits can be adjusted through the workspace properties to accommodate challenging intervals when needed.

After completing the shifting, flipping, and extension steps, the workflow returns to the main WellCAD document, where all changes are applied consistently. The resulting shift and recovery logs can be exported and reviewed in tabular form, providing full traceability of depth corrections, applied shifts, and percentage adjustments.

Overall, this video illustrates how the WellCAD Core Shifter enables a controlled, transparent, and reproducible approach to core and log depth alignment, helping users improve confidence in core-based interpretations and downstream analyses.