The filtering flow rules and water-oil displacement characteristics in deep pay and low-permeability reservoirs has some specialities.
深层低渗透率油藏的渗流规律及水驱油特性具有特殊性。
The stimulating displacement experiments show that, based on water flooding efficiency 58.65%, the oil displacement efficiency can increase 15.75% (OOIP).
模拟驱油实验表明，在水驱原油效率58.65%的基础上可再提高驱油效率15.75% (OOIP)。
Aiming at the problem of produced water drainage of oil fields, this paper performs a study on displacement with polymer solution diluted with produced water.
针对油田采出污水外排的问题，开展了污水稀释聚合物驱油研究。
The antirust and dehydration properties of the normal temperature dehydrating antirust oil were investigated through experiments of corrosion and water displacement.
通过腐蚀实验和水置换性试验，研究了常温脱水性防锈油的防锈性能和脱水性。
Its foaming capacity, stability, compatibility with formation water and oil resistance are evaluated in oil displacement test.
驱油试验时，对其发泡能力、稳定性与地层水的配伍性及耐油性进行了评价。
In the evaluation of displacement efficiency of water flooding and watered out degree, oil saturation of reservoirs must be studied.
油田注水驱油效果以及水淹程度评价中，都需要研究储层含油饱和度的变化状况。
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。
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。
Piston-like displacement is the main mechanism of water displacing oil in pore-throats.
孔隙中水主要是以活塞式驱油为主，非活塞式驱油少见；
By long core displacement experiment and numerical simulation, has made comparative analysis of development effect for injection water, WAG, GAW, and injection gas in PuBei oil field.
通过长岩心驱替实验和数值模拟研究，对葡北油田在注水、水气交替、气水交替、注气驱替方式下的开发效果进行了对比研究。
Oil-displacement mechanism of activity water is studied by utilizing shop experiment of activity water and numerical reservoir simulation.
通过活性水的室内实验和油藏数值模拟系统地研究了活性水的驱油机理。
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。
The obvious water precipitation reduction and oil increase are achieved in polymer displacement in Gudao Oilfield.
孤岛油田聚合物驱试验取得了明显的降水增油效果。
How to control water cut, extend swept volume of water injection and enhance oil displacement efficiency is a problem in dire need of settle at this time.
如何有效地控制含水，扩大注水波及体积，提高驱油效率是当前所要急需解决的问题。
The consumption of fresh water in oil field has increased dramatically as the extension of polymer - displacement industrialization.
随着聚合物驱工业化的推广，油田消耗清水量越来越多，同时也造成污水由于过剩而大量外排。
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。
WPS is a new-typed water-soluble anion surfactant, and can be used as an oil-displacement agent for tertiary recovery.
WPS是一种新型的水溶性阴离子表面活性剂，可作为三次采油的驱油剂。
Through experiments, oil displacement efficiencies of hot-water flooding and steam flooding have been analyzed and compared with conventional water flooding.
通过实验分析了热水驱、蒸汽驱对驱油效率的影响，并与常规水驱进行对比。
Polymer flooding can enhance the oil displacement efficiency through enhancing the water-out degree. But it is very difficult to decrease the waterflood remaining oil.
可通过提高水洗程度来提高驱油效率，但降低水驱残余油的难度很大。
The Results shows that the oil displacement efficiency is mainly affected by pore structure, macro heterogeneity, oil viscosity and technology policy of water flooding.
砾岩油藏驱油效率主要受储层微观孔隙结构特征、储层宏观非均质性特征、原油粘度和注水政策的影响。
After an analysis of the quality of injected water which exists in the pipes in Liuzan of Jidong Oilfield, it is found that the injected water scales, affects the oil displacement efficiency.
通过对冀东油田柳赞作业区注水水质的现状分析，得出管网结垢影响注水开发效果。
Recently, CO2 miscible displacement research was greatly launched in domestic, in order to improve recovery of water flooded oil field and develop trouble reserves efficiently.
近年来，为了提高水淹油田的采收率及有效开采难采储量，国内正在大力开展CO2混相驱技术的应用研究。
Recently, CO2 miscible displacement research was greatly launched in domestic, in order to improve recovery of water flooded oil field and develop trouble reserves efficiently.
近年来，为了提高水淹油田的采收率及有效开采难采储量，国内正在大力开展CO2混相驱技术的应用研究。
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