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    • 25. 发明申请
    • Systems and Methods For Pressure-Cycled Stimulation During Gravity Drainage Operations
    • 重力排水作业下压力循环刺激的系统与方法
    • US20140174744A1
    • 2014-06-26
    • US14086747
    • 2013-11-21
    • Thomas J. BooneNima Saber
    • Thomas J. BooneNima Saber
    • E21B43/24E21B44/00
    • E21B43/2406E21B43/16E21B43/2408E21B44/00
    • Systems and methods for pressure-cycled stimulation during gravity drainage operations. These systems and methods include increasing a pressure within a stimulation well that extends within a subterranean formation and subsequently decreasing the pressure within the stimulation well to increase production of viscous hydrocarbons from a production well. The systems and methods include repeating the increasing and the decreasing for a plurality of stimulation cycles and producing viscous hydrocarbons from the subterranean formation during the increasing, the decreasing, and the repeating. The increasing may include increasing a reservoir pressure within the subterranean formation to a pressure that is greater than a bubble point pressure of the viscous hydrocarbons, and the decreasing may include decreasing the reservoir pressure to a pressure that is less than the bubble point pressure of the viscous hydrocarbons.
    • 在重力排水作业期间进行压力循环刺激的系统和方法。 这些系统和方法包括增加在地下​​地层内延伸的刺激井内的压力,随后降低刺激井内的压力,以增加来自生产井的粘性烃的产生。 系统和方法包括在增加,减少和重复期间重复多个刺激循环的增加和减少,并从地层产生粘性烃。 增加可以包括将地层内的储层压力增加到大于粘性烃的起泡压力的压力,并且减小可以包括将储层压力降低到小于 粘稠的碳氢化合物。