UPDATE 1-Energy majors to reduce output in Indonesia in 2016 -regulator

(Updates throughout) By Wilda Asmarini JAKARTA, June 11 (Reuters) - Global energy companies are expected to continue to reduce oil and gas production in Indonesia next year, the country's upstream energy regulator said on Thursday. Indonesia was once self-sufficient in oil and gas but has struggled for years to attract investment to halt declining output - difficulties that have been exacerbated by the current environment of weak oil prices. A further drop in production next