Oil and gas producer Santos has launched a $3 billion capital raising to fund its growth projects, including the PNG liquefied natural gas project, which is estimated to have a capital cost of $US12.5 billion ($A16.3 billion).

Oil and gas producer Santos has launched a $3 billion capital raising to fund its growth projects, including the PNG liquefied natural gas project, which is estimated to have a capital cost of $US12.5 billion ($A16.3 billion).