注入的水不够。
Formation damage occurs when injected water is not compatible with the reservoir.
油田注入水与储层不配伍时会导致储层伤害。
Research on formation damage by additives for injected water in Dongxin oil field;
吐哈油田在钻井完井过程中采取了一系列措施以避免地层损害。
SZ 36-1 oilfield; injected water; suspended matter; composition analysis; control measure.
绥中36-1油田；注入水；悬浮物；组分分析；控制措施。
The demands for injected water quality are related to geologic conditions of oil reservoirs.
注水水质控制要求与油藏地质条件相关。
The injected water of both the two blocks contained SO42- that would create scale with Ca2+, Ba2+ and Sr2+.
两个区块的注入水都含有一定量易于结垢的阴离子SO42-。
The level of formation damage induced by injected water scaling in the oilfield is evaluated with core displacement test.
采用岩心驱替试验评价了商河油田注入水结垢对地层的伤害程度。
The high temperature of stratum and incompatible of injected water and formation water are the key points of scaling and pressurizing.
储层温度高和注入水与地层水配伍性差是注入水结垢造成压力升高的主要因素。
It is also shown that the effects of pore-throat combination patterns and injected water quality on the relative permeability curves are considerable.
孔喉组合模式以及注入水质，对相对渗透率曲线有重要影响。
Based on the capillary pressure data measured with high velocity centrifugal method, the formation damage by additives for injected water was evaluated.
根据高速离心法测定的毛管压力数据，评价了注水处理剂对中低渗透率地层的损害。
The injected water in the treated area can be divided into three different effects: the pure compression, the compression and micro flow, the macro flow.
注入水在调剖剂处理区域内的流动可以分为三种状态：纯压缩、压缩和微观流动、宏观流动。
Various water quality should be remade by different treatment technologies adopted from the aspect of the economics of the injected water quality indexes.
提出应从注入水水质指标的经济性出发，针对不同的水质采用不同处理工艺进行改造。
Pilot test of linear water injection may be carried out to improve the sweep efficiency of the injected water and improve the effect of block development.
开展线性注水先导试验，提高注入水的波及系数，改善区块开发效果。
But, as time goes on, great amounts of injected water flows along the high permeable zone, which results in early watered-out producers and declining yield.
但是，随着开发年限的延长，大量的注入水沿水洗强度较高的高渗透带窜流，导致油井过早水淹，产油量下降。
Water injection is an important measure for stabilizing oilfield production and the quality of the injected water directly influences the crude oil production.
注水是油田稳产的重要措施，注入水的质量直接关系到原油生产。
The effects of heterogeneity of pore configuration, specially clay mineral content and injected water quality on the relative permeability curves, are considerable.
孔隙结构的非均质性，特别是粘土矿物的含量和注入水水质对相对渗透率曲线的影响都很大。
The areal heterogeneity directly influences the swept area and sweep efficiency of the injected water, and thus controls the areal distribution of the remaining oil.
平面非均质性直接影响到注入水波及面积和波及效率，从而控制剩余油在平面上的分布。
The paper mainly researches the magnetized mechanism of the strong magnetism to injected water, and the augmented injection implements used pulse blocking is designed.
着重研究了强磁对注入水的磁化机理，同时设计强磁增注器，实现脉冲解堵。
In water flooding, the quality of injected water not only has influence on the efficiency of the process system, but also on the index and result of oilfield development.
在注水开发中，注入水水质的好坏不仅影响注水工艺系统的效率，还影响油藏的开发指标及开发效果。
The device is designed by means of the jetting principle, and it takes the high-pressure injected water as power fluid to drive the formation fluid returning to the surface.
这种射流洗井器应用射流原理进行设计，利用高压注入水作动力液，抽汲地层液返出。
Based on the five sensitive experiment study, the injected water source of He 86 biolithite reservoir is assessed by means of scaling tendency calculation and lab flow test;
在五敏实验研究的基础上，通过结垢趋势计算、室内流动实验对河86生物灰岩油藏注水水源进行了系统评价；
Water flooding development in serious heterogeneous reservoirs will result in preferential seepage channels and injected water short-cycle to cause 98% of composite water cut.
强非均质性油藏注水开发后形成优势渗流通道，综合含水率高达98%以上。
On the basis of analysis on ionic compositions of injected water and formation water. The performance of polyapartic acid scale inhibitor is contrasted with that of other inhibitors.
在分析注入水和地层水离子成分的基础上，比较了聚天冬氨酸与其他几种常用阻垢剂的阻垢性能。
Compatibility of injected water and formation water as well as the formation damage caused by water quality are the main factors to affect the development of low permeable reservoir.
注入水与地层水的配伍性和水质对地层的伤害是影响低渗透油藏开发的重要因素。
The calculation results, based on mass balance of chemical concentrations, indicate that the average recovery rate of injected water in the current production well LWN-4 is about 88.5%.
基于水化学浓度质量平衡的计算结果表明，开采井中回灌水的平均回采率约为88.5%。
By comparing the experimental data of water sensitivity in Wennan oil field, a relationship among water sensitive indexes, rock air permeability and salinity of injected water was set up.
作者通过统计文南油田的水敏试验资料，找出了水敏指数与岩石空气渗透率和注入水矿化度的关系。
In low and ultra-low homogeneous reservoir start-up pressure have an impact on the flow rate, reservoir production decline law, water production laws and injected water sphere of influence.
低和特低均质储层中的渗流启动压力对渗流速度、油藏产量递减规律、产水规律和注入水的波及范围都有影响。
It universally exists that injected pressure is high in a long time, injected water volume is low, the difference of injected pressure of each well is very large during oilfield development.
开发过程中普遍存在注水井长期注入压力居高不下、注入量低、单井注入压力差异大等问题。
HAGS can increase oil recovery by adjusting the permeability variation through plugging the higher permeability layer and forcing the injected water to flow into the lower permeability layer.
HAGS通过封堵高渗层，调整模型的渗透率差异，使液流转向低渗层，从而达到提高采收率的目的。
HAGS can increase oil recovery by adjusting the permeability variation through plugging the higher permeability layer and forcing the injected water to flow into the lower permeability layer.
HAGS通过封堵高渗层，调整模型的渗透率差异，使液流转向低渗层，从而达到提高采收率的目的。
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