ReckonWells

API number lookup — 3,092,103 well identifiers

Search any of 3,092,103 API-number mappings across 12 states — dash-tolerant, 10- or 14-digit, wellbore or lease grain. Texas wellbore APIs resolve to their lease's production record; everywhere else the API is the well.

Well Lookup → Interactive Map (2,520,764 wells) → Royalty Calculator → Operator Directory →
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