In 2016, the first application in Russia of a diversion technology with multimodal granules was performed during matrix treatment of a carbonate reservoir in a water-absorbing well in an offshore field in the northern Caspian Sea.

The operator's main objectives were the recovery of water-absorbing well injectivity while simultaneously straightening the profile by a temporary isolation of high-absorbing intervals. To achieve the objectives, two operations needed to be performed: large-volume acidizing of J3V Volgian regional stage and acid spotting in the interval of the Neocomian superstage.

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