Exclusive: SEC probes oilfield firm ProPetro over accounting, disclosures: sources

(Reuters) - Oilfield services supplier ProPetro Holding Corp is under investigation by the U.S. Securities and Exchange Commission over its financial disclosures, people familiar with the matter said this week.The SEC probe involves potential violations of securities laws covering disclosures, internal financial controls and public reporting by the Midland, Texas, company, one of the people said. ProPetro in August disclosed that a board committee was reviewing its internal controls,..