OAR 632-020-0115: Measurement of Geothermal Resources

The operator must measure or gauge all production from each well in accordance with methods approved by the department or may arrange with the department for other acceptable methods of measuring and recording production. The quantity and quality of all production must be determined in accordance with the standard practices, procedures, and specifications generally used in the industry. For wells on federal land, the department will establish acceptable methods in concert with the responsible federal agency.