ExplorationMurphy sets sight on Tulum exploration well offshore MexicoUS independent is also looking to appraise Cholula deep-water discovery in Block 5Fresh campaign: the Valaris semi-submersible rig DPS-1 is a sister unit of the DPS-5 to be used by Murphy in MexicoPhoto: VALARISFabio PalmigianiGareth ChetwyndRio de Janeiro/London