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    • 4. 发明申请
    • ULTRAVIOLET DISINFECTION OF OIL FIELD PROCESS WATER
    • 油田过程水的超紫外线消毒
    • US20120070339A1
    • 2012-03-22
    • US13276498
    • 2011-10-19
    • Oliver Lawal
    • Oliver Lawal
    • A61L2/10B01J19/12
    • C02F1/325C02F2201/3225C02F2201/3227C02F2201/324C02F2303/04
    • Methods and systems for inactivating Desulfovibrio desulfuricans in a fracturing fluid are disclosed. The methods include exposing the fracturing fluid to a dose of from about 4 mJ/cm2 to about 10 mJ/cm2 of polychromatic ultraviolet radiation. The polychromatic ultraviolet radiation includes a plurality of major inactivation wavelength peaks in a range of from about 200 nm to about 400 nm. The system includes an ultraviolet radiation chamber in fluid communication with a fracturing fluid source and a wellbore, and at least one medium pressure ultraviolet lamp arranged substantially within the ultraviolet radiation chamber. The medium pressure ultraviolet lamp exposes the fracturing fluid containing the Desulfovibrio desulfuricans to a dose of from about 4 mJ/cm2 to about 10 mJ/cm2 of polychromatic ultraviolet radiation.
    • 公开了用于灭活压裂液中脱硫抗病毒剂的方法和系统。 该方法包括将压裂液暴露于约4mJ / cm 2至约10mJ / cm 2的多色紫外线辐射剂量。 多色紫外线辐射包括在约200nm至约400nm范围内的多个主要失活波长峰。 该系统包括与压裂流体源和井筒流体连通的紫外线辐射室,以及基本上布置在紫外线辐射室内的至少一个中压紫外灯。 中压紫外线灯将含有脱硫抗病毒脱硫剂的压裂液暴露于约4mJ / cm 2至约10mJ / cm 2的多色紫外线辐射剂量。