主裂缝穿过注入井或生产井的储层中的不稳定流

IF 0.5 4区 工程技术 Q4 MECHANICS
A. M. Il’yasov, V. N. Kireev
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引用次数: 0

摘要

摘要 考虑了在给定的恒定井底压力和恒定储层压力下,通过注水井或生产井向具有恒定宽度垂直主裂缝的无限储层瞬时注入或抽出牛顿流体的问题。对注入或抽出流体时裂缝和储层中的压力场以及裂缝中的流速进行了分析求解。获得了流体从裂缝进入储层(从储层进入裂缝)的漏出(漏入)的明确表达式,以及裂缝和储层中的颗粒轨迹方程。对于所获得的解,绘制了不同储层渗透率下的压力场、裂缝中的流体速度分布以及流体从有限裂缝漏入有限储层的曲线图。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

UNSTEADY FLOW IN A RESERVOIR WITH A MAIN FRACTURE CROSSING AN INJECTION OR PRODUCTION WELL

UNSTEADY FLOW IN A RESERVOIR WITH A MAIN FRACTURE CROSSING AN INJECTION OR PRODUCTION WELL

UNSTEADY FLOW IN A RESERVOIR WITH A MAIN FRACTURE CROSSING AN INJECTION OR PRODUCTION WELL

The problem of instantaneous injection or withdrawal of Newtonian fluid through an injection or production well into an infinite reservoir with a vertical main fracture of constant width at a given constant bottomhole pressure and constant reservoir pressure is considered. Analytical solutions are obtained for the pressure fields in the fracture and the reservoir during injection or withdrawal of fluid, as well as for the flow velocity in the fracture. An explicit expression for the leak-off (leak-in) of fluid from the fracture into the reservoir (from the reservoir into the fracture) and equations of particle trajectories in the fracture and reservoir are obtained. For the solutions obtained, graphs are plotted for the pressure fields, fluid velocity distributions in the fracture, and fluid leak-off from a finite fracture into a finite reservoir for different reservoir permeabilities.

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来源期刊
CiteScore
1.20
自引率
16.70%
发文量
43
审稿时长
4-8 weeks
期刊介绍: Journal of Applied Mechanics and Technical Physics is a journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The Journal presents papers on fluid mechanics and applied physics. Each issue contains valuable contributions on hypersonic flows; boundary layer theory; turbulence and hydrodynamic stability; free boundary flows; plasma physics; shock waves; explosives and detonation processes; combustion theory; multiphase flows; heat and mass transfer; composite materials and thermal properties of new materials, plasticity, creep, and failure.
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