•Murilo Ferreira has been appointed chairman of Petrobras
•Stefano Cao is replacing Saipem chief executive Umberto Vergine, with Paolo Colombo replacing Francesco Carbonetti as chairman
•Wang Yilin has been named chairman of CNPC
•Yang Hua has been appointed chairman of CNOOC
•Wang Yupu is set to replace Fy Chengyu as chairman of Sinopec
•Darrell Hollek has been named vice president of US onshore E&P at Anadarko Petroleum as Charles Meloy retires, with Christopher Champion named chief accounting officer
•Frank Patterson has replaced the retired John Kapchinske as vice president of exploration, land and subsurface technology at Chesapeake Energy
•Lee Hanson has replaced Mike Robertson as Fisher Offshore’s technical director
•Eugene Batchelder has replaced the retiring Edward Djerejian as non-executive chairman of Occidental Petroleum
•Erik Karlstrom...
