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背斜-水动力复合油(气)藏油(气)水界面产状
引用本文:陈振林,许浚远.背斜-水动力复合油(气)藏油(气)水界面产状[J].地球科学,2007,32(1):89-92.
作者姓名:陈振林  许浚远
作者单位:中国地质大学资源学院 湖北武汉430074
摘    要:基于Hubbert的油(气)等势面坡度与水头关系的公式和达西定律,推出了油(气)等势面坡度与水流的渗滤速度的关系式.根据此关系式,讨论了各种情形水流速度与油气等势面坡度的关系.以此为基础,认为未被油气充满转折端的背斜-水动力油气藏平面的油水界面由于水流速度大小和方向变化通常应该为曲面;对被油气充满转折端的背斜-水动力油气藏倾斜的油水界面在不同方向剖面上倾斜不同:圆柱状背斜横剖面油水界线水平、斜向剖面界线倾向相反,倾伏背斜的横剖面可能同向倾斜但通常不在同一条倾斜的直线上.

关 键 词:背斜-水动力油气藏  油(气)-水界面  等势面  坡度  渗滤速度  达西定律
文章编号:1000-2383(2007)01-0089-04
修稿时间:2006-05-18

Dip of the Oil ( Gas) -Water Interfaces in Anticline-Hydrodynamic Oil (Gas) Pools
CHEN Zhen-lin,XU Jun-yuan.Dip of the Oil ( Gas) -Water Interfaces in Anticline-Hydrodynamic Oil (Gas) Pools[J].Earth Science-Journal of China University of Geosciences,2007,32(1):89-92.
Authors:CHEN Zhen-lin  XU Jun-yuan
Affiliation:Faculty of Earth Resources, China University of C, eosciences, Wuhan 430074, China
Abstract:On the basis of the Dacy Law and the formulae proposed by Hubbert (1953) for the relationship between dips of oil-water and gas-water contacts in the oil and gas pools under hydrodynamic conditions and hydrodynamic heads, this paper proposes formulae of the relationship between dips of contacts and the waterflow seepage velocity. With the formulae, the paper discusses the possible relationship between the water seepage flow velocity and the slopes of oil (gas) equipotential surfaces. Based on the discussion, the paper concludes that the oil-water contacts in the hydrodynamic-anticline pools where hinge zones are not full of oil commonly are curve surfaces. For hydrodynamic-anticline pools where hinge zones of anticlines are full of oil, their oil-water contact lines in two limbs along cross sections of the cylinder anticlines are horizontal. Those along oblique sections of the cylinder anticlines are reverse; those along cross sections of the plunge anticlines might have the same dips but the two lines usually are not located in the same tilt straight line.
Keywords:anticline-hydrodynamic oil (gas) pools  oil (gas)-water interfaces  equipotential surfaces  seepage velocity  Dacy Law
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