Carbon dioxide thickening: A review of technological aspects, advances and challenges for oilfield application
نویسندگان
چکیده
• A review of CO 2 thickening as promising technology for oilfield application. Specific thickeners eliminate viscous fingering and gravity segregation issues. have been categorized into five types, depending on chemical nature. Thickening methodology was described to attain optimal viscosity solubility traits. It is necessary develop effective thickeners, while considering cost toxicity. The relatively low density carbon dioxide (CO ) in supercritical state create several drawbacks, including override, fingering, water production/treatment problems, poor proppant transport the petroleum industry. introduction offers a additive with sufficient enhancement attributes. current article reviews technical advances, challenges, applicability thickened , particularly hydrocarbon recovery. Different types polymers, tailor-made surfactants, small associating compounds, were investigated terms their nature, physicochemical traits, cost, applications. molecular weight concentration, shear rate, co-solvent composition, temperature, pressure play significant role intermolecular forces miscibility effect presence dense . Binary co-polymers (non-fluorinated non-siloxane materials) molecule (associating) compounds are options owing enhanced performance, cost-effectiveness, ecological footprint. This study provides comprehensive existing technologies, outline gaps, potential, required area improvement.
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ژورنال
عنوان ژورنال: Fuel
سال: 2022
ISSN: ['0016-2361', '1873-7153']
DOI: https://doi.org/10.1016/j.fuel.2021.122947