A top Bolivian official said it could take 15 days to repair a damaged natural gas pipeline and fully restore gas shipments to neighboring Brazil, AP reported. Finance Minister Luis Alberto Arce said military security for Bolivian natural gas operations is being doubled, after a blast by saboteurs forced a 10 percent cut in natural gas exports to Brazil. Brazil gets half its natural gas from Bolivia, using it to power its energy grid and as fuel for cars and cooking. Brazil will use diesel fuel to counter the shortage. Arce told reporters in Brazil's capital Thursday that repairs to the pipeline would take 10 to 15 days.