Qatargas III is a joint venture between Qatar Petroleum, ConocoPhillips and Mitsui. Qatargas IV is a joint venture between Qatar Petroleum and Royal Dutch Shell.[66] At first approached as separate projects, Qatargas III and IV are now being built by a joint asset development team that is staffed by Qatargas, ConocoPhillips and Shell employees as well as project direct hires and short term contractors.[67] Its trains have started up by end 2010 (QG3) and early 2011 (QG4).[68]