Yang Biao, Yu Yong, Li Aishan. FORMATION DAMAGE AND PROTECT MEASURES ABOUT CO2 FLOODING[J]. Oil Drilling & Production Technology, 2002, 24(4): 42-44. DOI: 10.3969/j.issn.1000-7393.2002.04.015
Citation: Yang Biao, Yu Yong, Li Aishan. FORMATION DAMAGE AND PROTECT MEASURES ABOUT CO2 FLOODING[J]. Oil Drilling & Production Technology, 2002, 24(4): 42-44. DOI: 10.3969/j.issn.1000-7393.2002.04.015
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FORMATION DAMAGE AND PROTECT MEASURES ABOUT CO2 FLOODING

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  • As a special phenomena, bitumen and paraffin sedimentation occur during CO2 flooding, this article analyzes the mechanism and affecting factors of sedimentation, pay emphasis on introducing chemical method(add inhibitor) to eliminate sludge. Tersely illustrates the forming mechanism of gas cutting and gas coning with their reasonable gas flooding technology, measures of preventing impurities in water and CO2 causing the damage of reservoir; it analyzes the factor that affecting CO2 and water generating carbonic acid, and the measures to prevent corrosion.
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