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- W4387235633 abstract "Abstract Seawater Injection has been used in Offshore field as a means of pressure maintenance for improving oil recovery. Since there is no Sulphate removal and Nitrate injection from Day 1, H2S generation from Sulphate Reducing Bacteria (SRBs) has led to reservoir souring. This has led to a serious attention to manage the H2S production risks in terms of health, safety and environment (HSE). A new technology with real time H2S Scavenger and Automation was trialled in an offshore oil production platform. INTELLISWEET automated H2S chemical management system is an intelligent chemical injection system that enables autonomous and controlled H2S scavenger injection rates based on well and topside production conditions. Mixed production fluid samples are continuously collected from wellhead, passed through temperature/pressure conditioning, and through a series of sample conditioning and analysis to allow for accurate measurement of the total H2S in the produced fluid. The field trial was conducted in an offshore facility platform in a well with a downhole capillary string chemical injection in an Electrical Submersible Pump (ESP) well. Based on the field trial outcome, a reduction in the H2S ppm (as low as 4ppm) and the % removal efficiency of up to 98% was observed. The system package has proven to be effective in maintaining H2S levels below target while allowing 24h online remote monitoring and the ability to make changes remotely as well. This first of its kind digital automation system continuously captures data that shows chemical pump performance, amounts of H2S being produced and scavenged, amounts of H2S scavenger being injected, well production data, alerts of system anomalies, and various other information that gives total visibility of the chemical injection treatment program. With INTELLISWEET, a reliable cost-effective automated removal of total H2S in the oilfield can be achieved. It allows for minimized HSE risk of employees – less field exposure, unlocks access to high H2S well reserves, and gives remote access to monitor and control H2S chemical injection treatment programs with automated and optimized dosages." @default.
- W4387235633 created "2023-10-02" @default.
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- W4387235633 date "2023-10-02" @default.
- W4387235633 modified "2023-10-16" @default.
- W4387235633 title "Breaking Barriers: Downhole H2S Scavenger Automation Pilot Trial Intellisweet" @default.
- W4387235633 doi "https://doi.org/10.2118/216083-ms" @default.
- W4387235633 hasPublicationYear "2023" @default.
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