HONG KONG, Sept. 13, 2012 /PRNewswire/ -- Anton Oilfield Services Group ("Antonoil" or the "Group", HKEx stock code: 3337), the leading independent oilfield services provider in China, today announced a joint venture ("JV") with the leading global oilfield services company Schlumberger ("Schlumberger") at a signing ceremony held in Beijing. The JV, which will provide integrated project management services for the development of China 's onshore oil and gas projects, will be incorporated in China with Antonoil and Schlumberger holding stakes of 40% and 60%, respectively. Both companies will second members of their management to jointly lead the JV.