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- W2020137237 abstract "ABSTRACT Reservoir Performance is tracked and monitored with the help of various surveillance measurements. The surveys may include static and flowing bottom hole pressure measurements, pressure transient studies, production logging, pulsed neutron capture logging and flow rate measurements. The measured or interpreted values include reservoir pressure, productivity index, reservoir permeability, well efficiency, flow capacity, water saturation, fluid contacts and flow rates of oil, gas and water. These values, when appropriately grouped and mapped, indicate the reservoir performance and fluid flow movement. However, the asset needs to be managed with limited surveillance every year. This brings into focus the need to optimally select the candidate wells or completions. Surveillance is planned with an objective to minimize the uncertainty in the measured values. This results in maximizing understanding of the reservoir performance leading to sound reservoir monitoring and better business decisions. Continuity, productivity, probability & uncertainty maps are regularly prepared using Kriging. Measurement errors are assumed to follow a Gaussian distribution. The maps quickly reveal the need to have surveillance in particular wells/completions. The important contributions of the value-driven surveillance planning include Data integration of well and reservoir performance including all the surveillance and well integrity data.Analysis and interpretation of surveillance data becomes a prerequisite for requisitioning surveillance. Mapping and analyzing interpreted data becomes an integral part of any surveillance process.Intuition and subjectivity in surveillance planning is substituted by an objective method based on robust geostatistics.Surveillance data becomes more visible to the team. This generates team involvement, better quality of information and a shared understanding of reservoir management needs." @default.
- W2020137237 created "2016-06-24" @default.
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- W2020137237 date "2004-10-10" @default.
- W2020137237 modified "2023-09-26" @default.
- W2020137237 title "A Novel Approach to Reservoir Surveillance Planning" @default.
- W2020137237 doi "https://doi.org/10.2118/88792-ms" @default.
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