Field_DevelopmentPemex wins approval for Mexico offshore field plan but target hopes fadingState oil giant given green light for one of its "priority" projects, but lower risks on these assets do not make up for falling volumeFalling short: Pemex no longer has giant offshore developments in the pipeline, such as Ku Maloob Zaapn, shown here in 2013Photo: REUTERS/SCANPIXGareth ChetwyndLondon