| 1. | Non - darcy flow of two - phase fluid through anisotropic low - permeability double - porosity media for vertically fractured well
各向异性双重介质两相非达西椭圆渗流 |
| 2. | The combined mathematical model of non - newtonian power - law fluids with low - velocity non - darcy flow in fractal reservoirs
分形油藏非牛顿幂律流体低速非达西不稳定渗流的组合数学模型 |
| 3. | Most intriguing in the central basin is the inverted gas - water position , abnormal low initial water saturation , slippage effect and evident non - darcy flow
并在深盆气藏中可能出现气水倒置、反常低的原生水饱和度、滑脱效应及明显的菲达西流动效应。 |
| 4. | It concludes that percolation of roller compact concrete is of self - compactness by time effect under continuous action of water head and there may exist partial darcy flow regime in roller compact concrete under high water head
认为在持续水头作用下，碾压混凝土的渗透具有时效自密性；高水头作用下的碾压混凝土可能存在偏达西流现象。 |
| 5. | Drainage domain of partial penetration gas well in bottom water reservoirs consists of the following two parts : ( 1 ) non - darcy binomial radial flow near the well ; ( 2 ) three dimensional darcy flow in areas far away from the partial penetration gas well due to bottom water drive
摘要底水打开不完善气井的渗流是由井附近区域遵循二项式径向流规律的非达西流动及此区域外遵循由底水驱动向不完善井三维达西流动两部分组成。 |
| 6. | In order to study effects of various factors on gas well productivity , this paper takes changqing gas field as an example and uses gas reservoir engineering and numerical simulation methods to qualify effect of different factors on absolute open - flow capacity in different reservoirs in respect of formation coefficient , water production , non - darcy flow coefficient , formation pressure and skin factor
摘要影响气井产能的因素多种多样，为了具体描述各因素对产能的影响，以长庆气田为例，利用气藏工程和数值模拟方法，从地层系数、产水、非达西流系数、地层压力、表皮系数等几个方面定量分析了各因素对不同储层条件下气井绝对无阻流量的影响程度。 |
| 7. | In the literature , the flow equations for partial penetrating wells are based on two - dimensional model with impermeable upper and lower boundaries , and they cannot reflect the characteristics of bottom water drive mechanism , while the new equations presented in this paper can accurately describe the deliverability of partial penetrating gas wells with non - darcy flow pattern in gas reservoirs with bottom water
目前仍使用改进的上下封闭边界的裘比公式，未能充分地反映底水驱动特点，而该公式能准确地描述底水驱动的打开不完善井非达西流动规律下的产能。 |
| 8. | The result shows that 1 ) formation coefficient is a main factor . 2 ) boundary and formation heterogeneity have much effect . 3 ) water producing gas wells should be produced reasonably according to gas production policy with water controlling technique so as to avoid watered out . 4 ) with increase of non - darcy flow coefficient , gas well productivity decreases . 5 ) in the process of gas well production , formation energy should be used reasonably . 6 ) when skin factor increases from 0 to 6 , its open - flow capacity is 60 % - 70 % of that without pollution
研究表明：地层系数是影响气井产能的主要因素；边界和地层非均质对气井产能影响很大；对于产水气井，应严格按照控水采气技术政策合理开采，避免水淹；随着非达西流系数的增大，气井产能不断降低；在气井的生产过程中，必须合理利用地层能量；当表皮系数由0增加到6时，其无阻流量为不受污染时的60 % ~ 70 % 。 |
| 9. | In the three models of calculating the leakage quantity of karst water , on account of the linear and non - linear seepage model are accord with the movement of darcy flow and non - darcy flow coexists with the practical instances in zhong - liang reseviour , so the calculation result of leakage quantity of karst groundwater with this model is more reasonable
在上述三种计算库区岩溶水渗漏量的模型中，由于线性?非线性渗流模型同时考虑了与中梁水库区实际情况相符合的达西流和非达西流区域并存的地下水运动，因此，利用该模型计算出的库区岩溶水渗漏量更合理。 |
