Asynchronous Injection–Production Method in the High Water Cut Stage of Tight Oil Reservoirs
Jianwen Chen,
Dingning Cai,
Tao Zhang
et al.
Abstract:Asynchronous injection–production cycle (AIPC) in a horizontal–vertical well pattern is an efficient strategy for enhancing water injection in tight reservoirs. However, current studies lack consideration of waterflood-induced fractures (WIFs) caused by long-term water injection. This paper takes block Z in the Ordos Basin, China, as the research object and first clarifies the formation conditions of WIFs considering the horizontal principal stress and flow line. Then, the pressure-sensitive permeability equat… Show more
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