Feds say Colorado oilman hasn’t responded to penalty

CHEYENNE, Wyo. — A federal agency says a Colorado oilman, known for filing scores of lawsuits against energy companies claiming they underreported natural gas production, hasn’t responded to a civil penalty from a federal agency alleging that he failed to report production on his own leases.

The Office of Natural Resources Revenue announced in November it had assessed a civil penalty of over $46,000 against Jack J. Grynberg. It alleged he failed to report production on federal leases in Wyoming, Colorado and New Mexico.

Agency spokesman Patrick Etchart said recently that Grynberg didn’t respond to the penalty or ask for a hearing.…