These are official records submitted by drillers to state agencies. They contain technical data such as:

Reports in this sector focus on production rates, environmental status, and decommissioning. US Oil and Gas Wells by Production Rate - EIA

Well depth, casing length, and grout depth.

Often required for real estate transactions, these assess physical components and test for contaminants like bacteria or chemicals.

Soil and rock layers (geophysical logs).

How much water the well produces and its flow rate.