In Colombia this year NG Energy drilled a new well and signed a deal to develop pipeline infrastructure. : NG Energy International Corp. saw more than a fourfold increase in its natural gas reserves in Colombia this year following the drilling of a well and an agreement to develop pipeline infrastructure. Reserves, including proven and probable, jumped to 217.9 billion cubic feet, the Toronto company said in a statement Wednesday, from 48.7 billion cubic feet last year. Proven reserves increased to 68.3 billion from 26.8 billion a year ago.