The regularities of water cut growth in water-drive oilfields are analyzed, and their residual oil distribution status is studied.
分析了水驱油田的含水上升规律；研究了水驱油田剩余油的分布状况；
The key of successful development in natural water-drive oil reservoirs is to grasp the movement rule of edge and bottom water and to control and use the their active energy.
掌握边底水运动规律，控制并利用活跃的边底水能量，是成功开发天然水驱油藏的关键。
Worse, the storm could drive oil in the water up onto the beaches and further into sensitive marshes along the Gulf coast.
更糟糕的是，风暴会将水中的油带入海滨并深入到海岸线内的沼泽。
It is a problem in primary recovery from water drive reservoirs and during waterflood and enhanced oil recovery.
它是水驱油藏的一次采油过程中以及注水开发和强化采油过程中可能出现的问题。
The results show that oil recovery can be enhanced effectively by gravity drive of crestal nitrogen injection for increasing oil production and decreasing water cut.
研究结果表明，气顶油藏顶部注氮气重力驱可以有效地提高采收率，达到降水增油的效果；
Water hydraulic drive system has some advantages of oil hydraulic transmission such as large power, high efficiency and compact structure as well as the unique advantage of environment-protection.
水压驱动系统既保持了油压传动传递动力大、效率高和元件体积小的优点，又兼有环保的积极作用。
The oil recovery under water drive is an important factor for the evaluation of water displacement efficiency of a reservoir.
油藏水驱开发潜力是分析评价油藏开发开采水平的重要参数。
This method drive extensive application is in the water supply networks, heating networks, gas networks and the oil pipeline such as the industry pipeline with pressure.
此方法被广泛的应用于给水管网、供热管网、燃气管网、长距离输油管线等有压工业管道中。
In development of oil fields, it is significance to study magnitude of water-drive energy effect on production of oil well.
在油田开发中，研究水驱能量大小对油井产量的影响具有重要的意义。
This paper analyzed laboratory experiment results of oil displacement efficiencies of both water and steam drive in heavy oil reservoir by using basic knowledge and method of reservoir engineering.
利用油藏工程基本知识和基本方法，对稠油油藏水驱和蒸汽驱的两组驱油效率室内实验结果进行了分析。
We have measured the oil-water interfacial tension of the complex drive in the different condition using interfacial tensiometer.
使用旋滴界面张力仪，测定了不同情况下的复合驱模拟采出液的油水界面张力；
Another one is suitable to limestone oil reservoir with bottom water drive.
另一种水驱特征曲线适于底水驱灰岩油田。
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。
A model of real microscopic sandstone real is used to conduct a water drive displacement test, study the effect of pore structural heterogeneity on residual oil distribution.
用真实砂岩微观模型进行微观水驱油试验，研究孔隙结构非均质性对剩余油分布的影响。
At normal temperatures, the oil driving efficiency and the sweep efficiency of water driving are low, and the crude viscosity increases after water drive.
常温驱油效率低，水驱波及系数小，且水驱后原油黏度增加。
Cyclic water injection increases swept volume through oil-water percolation effect and capillary pressure effect to improve water drive recovery factor.
周期注水技术主要是通过油水交渗效应、毛管压力作用，增加注水波及体积，从而提高水驱采收率的技术。
The simulation of microscopic distribution of remaining oil in water drive field is one of the main focuses in recent research.
油田水驱剩余油微观分布的实验室模拟是当前研究的热点问题。
Well hua 49 area in Huachi oil field, Xuanma area, well 63 area, well 55 area in Chenghua region in Shan-gan-ning basin are now produced under natural water drive.
陕甘宁盆地城华地区的华池油田华49井区、城壕油田玄马区、城63井区与城55井区目前均采用自然能量开采。
This paper introduces the present status and the development trend of the logging technique for residual oil in water drive field.
本文论述水驱油田剩余油的测井技术现状和发展趋势。
As a bottom water drive reservoir with good petrophysical and oil properties, H2 has oil in place accounting for 38.97% of the total reserve in PHOGF.
该油藏是底水油藏，储层和原油性质均很好，其原油地质储量占全油气田原油地质储量的38.97%。
Cost of water injection is reduced and oil displacement efficiency is improved by converting water drive to expansion drive.
将水驱转换为弹性驱，降低了注水成本，提高了驱油效率。
Initial oil saturation is controlled by the reservoir boundary and structural. Parts of the reservoir with high initial water saturation dose not form effective edge and bottom water drive.
含油饱和度受油藏边界和构造形态控制，油藏南部边缘和局部构造低部位原始含水饱和度高，但不形成有效边底水驱动。
Jianghan oil Region has experienced more than ten years to find the way suitable for studying remaining oil saturation of water drive oil reservoirs.
江汉油区经过十几年的摸索，逐步形成了一套适合于水驱油藏的剩余油饱和度研究方法。
The water drive characteristic curve is one of basic methods on predicting development targets of water - drive oil field, applied widely at home and abroad.
水驱特征曲线是预测水驱油田开发指标的基本方法之一，在国内外都有较为广泛的应用。
This paper has calculated recoverable reserves and recovery rate of THN1 condensate gas reservoir based on a new increase curve of predicting oil field development indexes and water-drive type curves.
利用油田开发指标预测的增长曲线和水驱曲线分别对THN1凝析气藏的可采储量与采收率进行了计算。
Hot - Water drive is an important method to enhance recovery of high viscous oil, and widely is applied abroad because of less hot loss. Hot - Water drive has its special mechanism.
热水驱是提高高粘原油采收率的重要方法之一，由于其热能消耗较少在国外得到广泛应用，热水驱具有其独特的机理。
This paper researches on the fractal characteristics of sandstone pore structure and its application to recovery efficiency of water-drive-oil.
研究了大庆、胜利等油田砂岩孔隙结构的分形特征及其对水驱油采收率的影响。
This paper researches on the fractal characteristics of sandstone pore structure and its application to recovery efficiency of water-drive-oil.
研究了大庆、胜利等油田砂岩孔隙结构的分形特征及其对水驱油采收率的影响。
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