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The Research on Asphaltene Deposition Mechanism and Its Influence on Development During CO2 Injection
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Abstract
Based on high pressure physical property experiments, such as swelling experiment, multi-contact experiment and asphaltene precipitation experiment et al, thermodynamic characteristics of asphaltene precipitation during CO2 injection have been analyzed comprehensively with numerical simulation, which make up the deficiency of analyzing physical and chemical parameters with experiments; adsorption and plugging of asphaltene on rocks and rheology characteristic of oil containing precipitated asphaltene have been studied; the influence of asphaltene deposition on reservoir have been researched; Found on above-mentioned study, the mathematic flow model considering asphaltene deposition has been established. Take one oil field in our country as example, the influence of asphaltene deposition on production dynamics during CO2 injection has been researched. The results were in agreement with field observation and history data, which can be efficient for the further production prediction.
Title: The Research on Asphaltene Deposition Mechanism and Its Influence on Development During CO2 Injection
Description:
Abstract
Based on high pressure physical property experiments, such as swelling experiment, multi-contact experiment and asphaltene precipitation experiment et al, thermodynamic characteristics of asphaltene precipitation during CO2 injection have been analyzed comprehensively with numerical simulation, which make up the deficiency of analyzing physical and chemical parameters with experiments; adsorption and plugging of asphaltene on rocks and rheology characteristic of oil containing precipitated asphaltene have been studied; the influence of asphaltene deposition on reservoir have been researched; Found on above-mentioned study, the mathematic flow model considering asphaltene deposition has been established.
Take one oil field in our country as example, the influence of asphaltene deposition on production dynamics during CO2 injection has been researched.
The results were in agreement with field observation and history data, which can be efficient for the further production prediction.
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