讨论《启动压力梯度真的存在吗？》一文

doi:10.7623/syxb201302028

石油学报 ›› 2013, Vol. 34 ›› Issue (2): 412-416.DOI: 10.7623/syxb201302028

• 学术论坛 • 上一篇

讨论《启动压力梯度真的存在吗？》一文

窦宏恩

中国石油勘探开发研究院北京 100083

收稿日期:2012-07-11 修回日期:2017-11-14 出版日期:2013-03-25 发布日期:2013-01-31
通讯作者: 窦宏恩
作者简介:窦宏恩，男，1962年4月生，1998年获北京石油勘探开发科学研究院工学博士学位,现为中国石油勘探开发研究院高级工程师、硕士生导师，主要从事油藏工程、油气田开发规划、科技发展规划、采油工艺及石油机械研究。
基金资助:
国家重大科技专项（2011ZX05043-002）资助。

Discussion on “Is a starting pressure gradient necessary for flow in porous media？”

DOU Hong’en

Received:2012-07-11 Revised:2017-11-14 Online:2013-03-25 Published:2013-01-31

摘要/Abstract

摘要：

低渗透储层是否存在启动压力梯度已经成为低渗透油田开发以及低渗透油藏开发理论中的热点问题，在学术界存在着诸多争论。其中将同一渗流问题放在稳定和不稳定两种不同渗流条件下进行讨论的研究，就令不少研究者费解。而利用探边公式计算流体波及到边界的距离，并将表皮效应错误地与启动压力梯度相联系，从而提出在低、特低渗透储层渗流中不存在启动压力梯度的说法是不合理的。

关键词: 低渗透, 启动压力梯度, 渗流, 毛管压力, 表皮效应

Abstract:

Whether a threshold pressure gradient (TPG) of percolation exists in low-permeability reservoirs has been a hot topic in development theories of low-permeability reservoirs, from which a good many arguments arise in academic circles. For instance, a paper that discusses an identical percolation problem under stable or unstable percolation conditions, which made readers confused. Another unreasonable opinion that percolation of porous media has no threshold pressure gradient in low- or extralow-permeability reservoirs was proposed by using a reservoir limit testing equation to calculate distance to a reservoir boundary that fluid can affect and by wrongfully associating skin effect with a threshold pressure gradient.

Key words: low permeability; threshold pressure gradient, percolation; capillary pressure; skin effect

窦宏恩. 讨论《启动压力梯度真的存在吗？》一文[J]. 石油学报, 2013, 34(2): 412-416.

DOU Hong’en. Discussion on “Is a starting pressure gradient necessary for flow in porous media？”[J]. Editorial office of ACTA PETROLEI SINICA, 2013, 34(2): 412-416.

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讨论《启动压力梯度真的存在吗？》一文

Discussion on “Is a starting pressure gradient necessary for flow in porous media？”

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