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Hydraulic intervention method cut costs by 30% and improved injectivity up to 300%.
Water injection wells within the Schiehallion Field west of Shetland were suffering from reduced performance due to scale build-up in the reservoir.
Perform cost-effective hydraulic intervention using the OneSubsea subsea modular injection system (SMIS) comprising
Three wells were successfully intervened during 2018 and 2019, with plans for 8 wells in 2020. Overall, using the hydraulic intervention method recommended by OneSubsea, the operator cut costs by 30% versus conventional intervention methods. The wells saw a significant injection rate increase as the injectivity improved up to 300%.
For more information, read SPE-199818.