PIPE SCHEMES: RESEARCHERS WORRY GAS LEAKS LEFT UNREPAIRED. GAS COMPANY SAYS KEEP CALM, CARRY ON. Written by DIG STAFF Posted August 31, 2016 Filed Under: News, NEWS+OPINIONS Researchers say more than 4,000 mild, moderate, and severe "lost" gas leaks "vanished from public utility company data" between 2014 and 2015 despite no record of being repaired.