Geologic sample descriptions, done right.
LithoCraft helps geologists and mud loggers write clean, consistent sample descriptions. Pick the terms, set the depth, and export every sample at once.
Windows 10 and 11. Free 7-day trial, no payment needed.

Built for the wellsite
Faster descriptions
Choose terms from guided lists and watch the description build. Set depth and interval, then step up or down the well.
One-step export
Queue one description per depth and export all of them at once as import-compatible TXT files.
2,000+ terms
Terms and abbreviations for shale, sandstone, limestone, salt, coal, chert, igneous and metamorphic. Edit them or add your own.
Reference photos
436 reference photos with plain-English explanations, so you can confirm what you are seeing.
Fluorescence and cut
Guided lists for fluorescence distribution, intensity, color and clarity, and for cut speed and color.
Geology Check
Every description is checked as you build it, so conflicting terms get flagged before you export.
See it in use
Pricing
Start with a free 7-day trial. Cancel any time from your billing portal. Seats can be moved between your computers.
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LithoCraft