Yova's HTML Well Sketcher is a browser-based well sketcher and visualizer for oil/gas well completions. It generates professional dual-string engineering schematics with a built-in API casing database, completion element placement, formation zone mapping, equipment tables, 3D wellbore visualization, and exports to PNG and multi-sheet XLSX — all without any backend.
Give it a try: https://yovaraj-collab.github.io/WellSketcher
Visit my Github: https://github.com/yovaraj-collab