Abstract
The main development target layer of Y oilfield is low permeability Fuyang oil layer, which has poor water flooding development effect and low oil well productivity. Carbon dioxide has the characteristics of reducing the viscosity of crude oil and expanding the volume of crude oil. CO2 flooding technology uses this characteristic to achieve the purpose of greatly improving the recovery rate of low permeability reservoirs. In order to explore the effective utilization of reserve, since 2007, Y oilfield has carried out CO2 flooding test and achieved good development results, forming a series of CO2 flooding supporting oil production engineering technology. The CO2 flooding layered injection technology, gas well treatment technology, wellbore plugging removal technology and corrosion protection technology applied in Y oilfield are summarized and evaluated. The main existing problems and research directions are analyzed, which has certain reference significance for the development of CO2 flooding oil production engineering technology.
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This paper was prepared for presentation at the 2023 International Field Exploration and Development Conference in Wuhan, China, 20–22 September 2023.
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Zhao, Zy., Xu, Wb., Liu, H. (2024). Current Status and Prospects of Oil Production Engineering Technology for CO2 Flooding in Y Oilfield. In: Lin, J. (eds) Proceedings of the International Field Exploration and Development Conference 2023. IFEDC 2023. Springer Series in Geomechanics and Geoengineering. Springer, Singapore. https://doi.org/10.1007/978-981-97-0260-2_32
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