深层低渗油藏的渗流规律及水驱油特征具有特殊性。
Seepage flow patterns and water driving characteristics are special in deep low permeability oil layers.
本文论述水驱油田剩余油的测井技术现状和发展趋势。
This paper introduces the present status and the development trend of the logging technique for residual oil in water drive field.
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 filtering flow rules and water-oil displacement characteristics in deep pay and low-permeability reservoirs has some specialities.
表面活性剂能够提高此类储层的微观水驱油效率10%左右。
Surfactants can improve the water displacing oil efficiency by about 10%.
压力系数对于任何具体的天然水驱油(气)藏不是一个常数。
The pressure factor is not a constant for given natural water drive reservoir.
在水驱油田开发中后期,多轮次调剖是一项重要的稳油控水措施。
In the late stage of water flooding, multi-round profile control is an important measure to stabilize oil production and control water cut.
目的研究特低渗弱亲油储层水驱油过程、水驱油效率及其影响因素。
Aim to study the water displacing oil efficiency of weak oil-wet low permeability reservoirs, displacing process and affecting factors.
交联聚合物可明显改善油藏高含水期水驱油效果,控制含水上升速度。
Crosslinked polymer can significantly improve waterflood effect in high water cut reservoir and control water cut raising rate.
通过微观砂岩模型水驱油实验发现贾敏效应是油田注水开发中不可忽视的阻力。
By the laboratory work of real sandstone micro-models, the resistance of Jamin effect should not be ignored.
油气藏具有构造幅度低、非均质性严重、低阻油层发育及水驱油效率低等特点。
The reservoirs are characterized by low height trap, serious heterogeneous reservoir, low resistivity and poor efficiency of water driving 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.
通过开展模拟水驱油实验研究岩石地化热解分析参数随油层含水上升的变化规律。
This paper analyzes the rules of rock geochemical pyrolysis analysis parameters changing with reservoir water cut increase through simulated water flooding experiment.
文中进行了水驱油和氮气驱油试验,以比较驱替效果,探究超低渗油藏的驱替机理。
Water - drive and nitrogen - drive experiments are performed to compare their displacement effects and study the displacing mechanism of ultra - low permeability reservoirs.
在裂缝发育带水驱油的形式主要取决于孔隙渗透率、裂缝渗透率以及驱替压力的大小。
The water drive patterns in fissure developing zones mainly depend on whether pore permeability, fissure permeability and displacement pressure are high or low.
本文采用天然岩心串联组合方法,进行了平面非均质性对水驱油效果的影响实验研究。
This paper puts up that affecting experiment opposing water driving oil impact of storing floor horizontal heterogeneity character by means of savageness rock core in series combination.
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。
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.
边底水驱油藏水油体积比表征了天然能量大小,是确定油藏开发方式和开发对策的关键。
Water-oil volume ratio of edge-bottom water reservoir presents the capacity of natural energy. It's the key to determine reservoir development scheme and strategy.
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。
Jianghan oil Region has experienced more than ten years to find the way suitable for studying remaining oil saturation of water drive oil reservoirs.
为这一类高含水油藏改善水驱油效果,减缓油田递减速度,提高油田采收率提供了开发模式。
Through improving water drive effects and reducing decline rate, a production pattern has been provided for the high water-cut reservoirs.
通常对于低渗储层进行水驱油测试采用非稳定流方法,但该测试方法准确性较差,不能满足生产要求。
Nonsteady flow method is usually used to conduct water drive test for low permeability reservoir, but it is less accurate and cannot meet production need.
采用岩心水驱油试验及物理模型模拟试验等方法系统研究了低含油饱和度油藏的渗流特征及水驱油机制。
The field dynamic development data present that the low-oil saturation oil reservoirs have obviously different percolation features with common oil reservoirs.
丙烯酰胺类聚合物在油田各领域应用极广,无论是钻井、固井、堵水、压裂还是驱油等多个方面都有应用。
The acrylamide kind polymers have a very wide application in oil field, like drilling cementing exclusion of water compressive fracture and flooding oil etc.
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)。
The stimulating displacement experiments show that, based on water flooding efficiency 58.65%, the oil displacement efficiency can increase 15.75% (OOIP).
木质素的衍生物可作为泥浆处理剂、堵水剂、调剖剂、增粘剂、表面活性剂驱油的牺牲剂。
Lignin derivatives can be used as additives to drilling mud, plugging agents, mobility control agents and sacrificial agents in surfactant flooding.
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。
Its foaming capacity, stability, compatibility with formation water and oil resistance are evaluated in oil displacement test.
剩余油的数量、分布情况受油层沉积韵律类型、重力作用、毛管力作用、油层渗透率、水驱强度等多种因素的制约。
The quantity and distribution of remaining oil are dominated by the type of deposit rhythm, gravity and capillarity force, permeability and water flooding degree.
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。
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.
实验结果表明,M驱油剂可大幅度提高水驱原油采收率。
The experimental results show that the displacing agent m can greatly enhance oil recovery.
聚合物驱油技术是通过提高水的波及系数提高原油采收率。
Polymer flooding technology enhances oil recovery by increasing the sweep efficiency of water.
聚合物驱油技术是通过提高水的波及系数提高原油采收率。
Polymer flooding technology enhances oil recovery by increasing the sweep efficiency of water.
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