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1. 发明申请

US20160290112A1 PROCESSES FOR HYDRAULIC FRACTURING 审中-公开
标题翻译：液压破碎过程
公开(公告)号：US20160290112A1
公开(公告)日：2016-10-06
申请号：US14677298
申请日：2015-04-02
申请人： NEXEN ENERGY ULC
发明人： James Frederick PYECROFT , Peter CHERNIK , Jurgen LEHMANN , David MEEKS
IPC分类号： E21B43/26 , E21B49/00 , E21B43/116 , E21B43/14
CPC分类号： E21B43/26 , E21B43/11 , E21B43/116 , E21B43/14 , E21B49/00
摘要： There is provided a process of stimulating a subterranean formation via a wellbore fluid passage of a cased wellbore. The process includes, with a perforating gun, perforating at least casing to form at least one or more perforations effecting fluid communication, via the wellbore fluid passage, between a first zone of the subterranean formation and a treatment fluid source. Treatment fluid is then injected via the wellbore fluid passage, from the treatment fluid source to the first zone such that fracturing of the first zone is effected. The injecting of the treatment fluid is then suspended. A perforating gun is then deployed within the wellbore fluid passage via wireline. The casing is then perforated to form at least one or more perforations effecting fluid communication, via the wellbore fluid passage, between a second zone of the subterranean formation and the treatment fluid source. While both of the first zone and the second zone are disposed in fluid communication, via the wellbore fluid passage, with the treatment fluid source, injecting treatment fluid from the treatment fluid source and into the wellbore fluid passage with effect that at least a fraction of the injected treatment fluid is directed to the second zone such that fracturing of the second zone is effected.
摘要翻译：提供了一种通过套管井筒的井筒流体通道刺激地下地层的过程。该过程包括穿孔枪，至少穿孔套管，以形成经由井眼流体通道在地下地层的第一区域和处理流体源之间流体连通的至少一个或多个穿孔。然后将处理流体经由井眼流体通道从处理流体源注入到第一区域，使得实现第一区域的压裂。然后停止注射治疗液。然后将穿孔枪通过电缆布置在井筒流体通道内。然后将套管穿孔以形成经由井筒流体通道在地层的第二区域和处理流体源之间流体连通的至少一个或多个穿孔。当第一区域和第二区域都通过井眼流体通道与处理流体源流体连通地设置时，将处理流体从处理流体源注入到井筒流体通道中，其效果在于至少一部分注射的处理流体被引导到第二区域，从而实现第二区域的压裂。

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