waterflooding

CGD is a new rising technology of enhance recovery, it have important significance of improving old oil field waterflooding efficiency.

CDG技术是一项新兴的提高采收率技术。该技术对提高老油田注水开发效率有着重要意义。

Based on the production by waterflooding in small block oilfields, a technique of production of near well with high discharge head is used to simplify the scale of waterflooding and reduce the investment.

针对小区块油田的注水开发，采用近井高扬程采注水技术，可简化注水规模和压缩投资。

approach on economy-based decision-making method for controlling water quality in waterflooding oilfield

油田注入水水质调控决策方法研究

This paper summarized the two pilot test in air injection into the S ⅱ~ ( 7+ 8) sand member ( positive rhythmite) in the north well pattern in the closed well spa-cing pilot test area during the late period in waterflooding.

本文总结了大庆油田小井距北井组萨Ⅱ~（7+8）层（正韵律油层）注水开发后期两次注空气驱油矿场试验。

experiment of water injection rate limit in waterflooding development in lamadian oilfield

喇嘛甸油田水驱开发注水量界限的实验

This paper analyses 4 types of waterflooding characteristic curve and establishes an generalized waterflooding characteristic curve.

在对4种最常用的水驱特征曲线分析的基础上,建立了广义水驱特征曲线.

studies of exploitation technologies of "megascopic scale" unswept remaining oil in a waterflooding sand-stone reservoir

注水油藏“大尺度”未波及剩余油开采技术

Having been modified, water was slowed down corrosion and scale buildup and reduced treatment cost and environmental pollution. Also, water absorbing condition of injection well was improved and waterflooding producing reserves of oil field were increased.

改性处理后的水不仅提高了水质，减缓了腐蚀和结垢，降低了污水处理成本，减少了对环境的污染，而且还改善了注水井的吸水状况，增加了油田水驱动用储量。

The method of waterflooding in sandstone of oilfield is used widely and effectively.

注水开发油田是世界上应用较为广泛和行之有效的一种开发方式.

characteristics of shaly sandstone of putaohua oilfield and its effect on waterflooding

葡萄花油田泥粉层的特征及在注水开发中的作用

Development of conglomerate oil reservoir by waterflooding in Karamay oil field

克拉玛依油田砾岩油藏注水开发

At present, full-scale water injection has received early effect and indicated the prospect of waterflooding.

目前, 该块全面注水已经初见成效,预示了良好的组合注水开发前景.

To prevent from damaging pore structure and reduce the oil recovery cost in waterflooding, the flowing velocity of injected fluid should be below the threshold velocity of rocks.

分析认为，在油田注水开发时，为防止伤害孔隙结构导致降低开发效果，应将注水速率控制在储集层岩石临界速率以内。

However, the descendent injectivity influences development result during the process of waterflooding.

但在油田注水过程中，由于各种原因造成注水地层吸水能力下降，影响了油田注水开发的效果。

Development and application of new high-pressure waterflooding wellhead testing BOP

GZF高压注水井口测试防喷器的研究与应用

Technology and Effectiveness Analysis of Coal Seam Waterflooding at Driving Face

掘进工作面煤层注水工艺及效果分析

This study provides reference to optimization of liquid withdraw rate in waterflooding reservoirs.

该研究可为不同类型注水开发油藏采液速度的优化提供借鉴。

Waterflooding mode and feature are researched specially.

着重研究了水驱油特征和水驱油方式.

Based on the experiment research of rock matrix dissolution change in different temperature zone under the condition of high temperature, the law of change containing porosity and permeability in oil layer and waterflooding layer which are lied in wide spacing, medium spacing, and close spacing.

以前人对高温状况下，不同温度区带内岩石骨架溶解变化的实验研究为基础，研究了大、中、小井距条件下，油层与水淹层的孔隙度渗透率的变化规律。

Effect of waterflooding on grain size distribution of sandstone reservoir

注水开发对储层砂岩粒度分布的影响

Experimental Study on CO_2 Huff& Puff in Waterflooding Heavy Oil Reservoirs

水驱稠油油藏CO2吞吐实验研究

Water drive type curve is a key method for prediction of oilfield waterflooding performance.

摘要水驱特征曲线是注水开发油田动态预测的主要方法.