Following years of delays in the development of a number of gas projects around the Natuna Islands, an exploration committee is planning to propose a joint development involving a number of blocks in the area as part of moves to make costly projects more feasible
— Read on www.thejakartapost.com/news/2016/01/07/joint-operation-natuna-block-proposed.html

Not new but example of carbon dioxide with natural gas, more than 70%, too much for even Exxon to develop