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- W2228291427 abstract "Reference: Bray, Matthew. Institute of Northern Engineering, University of Alaska Fairbanks. 2014. This project addresses damage to heavy oil wells on the North Slope of Alaska due to subsidence from permafrost thaw. There is an estimated 24-33 billion barrels of heavy oil on the North Slope. Much of this oil will need thermal enhanced oil recovery techniques to be produced. If mitigations are not put in place, heat from producing oil and high heat thermal injection will increase the rate of permafrost thaw and subsidence from what is currently seen in conventional wells on the North Slope. This project uses a scaled down physical model of three different EOR completions in a frozen block of soil. The three completions modeled are: 1) a well with a brine annular fluid; 2) a well with low thermal conductivity annular fluid (insulating packer fluid); and 3) a well with vacuum insulated tubing and brine annular fluid. Data collected from thermistors in the soil and thermal images of the frozen soil block allow comparison of thaw around each well. Using the thaw data to estimate the extension of well life of each completion verse cost of each completion allows for optimization of how to best complete heavy oil wells in North Slope permafrost. Success of the project will help bring significant cost savings and life to Alaska's North Slope oil fields." @default.
- W2228291427 created "2016-06-24" @default.
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- W2228291427 date "2014-04-29" @default.
- W2228291427 modified "2023-09-24" @default.
- W2228291427 title "Lengthening the productive life of wells penetrating Alaska's North Slope permafrost by the optimization of annular completion fluids" @default.
- W2228291427 hasPublicationYear "2014" @default.
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