低渗油藏的主要特征是具有小孔隙、细喉道、高渗流阻力和低吸水能力。
The main characteristics of low permeability reservoir are small reservoir pore, fine throat, high seepage resistance and low water intake capacity.
根据等值渗流阻力方法和水平井产能计算公式推导了鱼骨型水平井产能计算公式。
With equivalent flow resistance method and on the base of the productivity formulae of a horizontal well, a new productivity formula of a fishbone well was derived in the paper.
与水驱相比,微生物驱油可降低启动压力梯度,降低渗流阻力,扩大有效驱动距离。
The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.
运用保角变换和等值渗流阻力推得分支水平井(有公共点或没有公共点)产能公式。
The productivity formulas of branch horizontal wells which have or not have common joint are derived by applying conformal transformation and isopleth map of percolation resistance force.
用等值渗流阻力法解决了这个难题,建立了裂缝性低渗透油藏稳态渗流的理论模型。
Using the steady-state productivity equation, a conventional method, is difficult to theoretically deal with the randomly dispersed natural fractures.
并基于保角变换数学方法和等值渗流阻力原理,直接推导气藏水平井层流产能方程。
Meanwhile, the paper directly derives the laminar flow productivity functions of gas horizontal Wells which based on the theory of equivalent porous flow and the math method of baojiao transform.
低渗透油藏的主要特点是储层孔隙小、喉道细、渗流阻力大,油井产油能力和吸水能力都非常低。
Low permeable reservoir is mainly featured by small reservoir pore, fine throat, high filtration resistance, low oil productivity and low water absorbing capacity.
黏弹性流体在变截面孔隙中的高局部压力损失是导致其在多孔介质中渗流阻力异常高的重要原因之一。
Results show that local pressure loss of viscoelastic fluid, where non-uniformity of pore's cross section occurs, is much higher than...
聚合物溶液的粘弹性越大,其在地层孔隙中的渗流阻力越大,弹性效应在增高注入压力中所占的份额也越大。
The larger viscoelasticity of polymer solution, the higher percolation resistance, and the greater of proportion of high injection pressure arising from elastic effect.
实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.
实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.
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