between $50,000 and $100,000. royalty payments from sun oil of $15,000 or less and royalties from an oil company called devon energy of less than $15,000. records dating back to 2003 show judge hughes received hundreds of thousands of dollars in royalties for more than a dozen energy companies. judge hughes has said he's transparent, that all of his personal investment and finance information is online for anyone to see. >> when you take it together, is there a concern that a reasonable person, fully informed of all of that might say he's not just a judge who happens to be dabbling. he is, in effect, a participant in the industry he is trying to judge. >> reporter: a judge who also travels to speak at meetings held by the american association of petroleum geologists. he doesn't get a fee for speaking at those meetings, but it does pay his accommodations, travel and expenses. in 2009, judge hughes presided over a case involving devon energy, one of the companies that pays him royalties, but he didn't disclose that information