You'll see 50 spots that our system marked on core-box photos from three tuning wells (19231, BD-139 and 21064). Each one is outlined in yellow, with a close-up beside it and the feature we think it is.
Answer from the photo first. The geologist's original description for that box appears only after you answer, so it doesn't steer your call. A short note is optional. At the end we'll ask for 5 to 10 searches you'd really run, in your own words.
About 15 minutes. Your answers save as you go, so you can close the page and pick up where you left off.
Write 5 to 10 searches you would actually run when looking for intervals in core, in your own words, one per line. For example, what you'd type if a tool could search every box photo in the repository.