* Harbour Energy pursued Santos for a year, raising bid 5
times. :
MELBOURNE, May 29 (Reuters) - Blame it on Trump, Iran or Venezuela. Rising oil prices combined with a heavy debt load killed the world’s biggest private equity oil and gas industry deal last week. Harbour Energy left Australia empty-handed after a year of chasing gas producer Santos Ltd, missing out on Santos’ stakes in three liquefied natural gas projects in Australia and Papua New Guinea as it sought to become a major LNG player.