NDEX
Coverage
2M indexed wells in the NDEX catalog. Click a region on the map for a coverage summary. Indexed wells are not a count of ready-to-download LAS files; available records and delivery vary by well.
Regional coverage
Public map shows regional presence only. Basin outlines are simplified for orientation — not survey boundaries. County pins, well lists, and downloads stay inside NDEX after you sign in. Partner shelves (e.g. OILFW) may be discoverable but membership-gated.
Permian Basin — coverage in depth
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Permian inventory snapshot: July 30, 2026. These regional well, document, and depth counts describe that snapshot, not the full catalog of 2M indexed wells or current LAS-ready inventory. OILFW partner LAS requires membership. Check availability in NDEX.
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53.6% of digitized wells have log data at 10,000 ft
All wells
Filtering by decade uses dated logs only — undated wells are excluded while a cutoff is active.
115,657 Permian wells · 187,740 log files (raster images and LAS) across 70 counties. Heat map = catalog presence. Sticks = measured intervals already digitized. Depth and curve stats from digitized wells. As of 2026-07-30.