RIYADH: Saudi oil and gas giant ADES Holding has signed a new contract with PT Pertamina Hulu Mahakam for the Shelf Drilling Perseverance jack-up rig in Indonesia, worth about SR173.14 million ($46.2 million). The deal, announced in a Tadaw

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RIYADH: Saudi oil and gas giant ADES Holding has signed a new contract with PT Pertamina Hulu Mahakam for the Shelf Dril