饱和压力

DB油田是一个高密度、中低粘度、高饱和压力油藏，有灰岩和砂岩2套不同性质的开发层系。

DB oilfield is an uncompartmentalized oilfield with high density , medium-low viscosity and high saturation pressure . There are two strata with different characteristics ( sandstone and limestone ) .

研究了超临界CO2/PLA微孔发泡过程中，发泡温度、饱和压力、剪切速率对聚合物PLA泡孔形态的影响。

The effects of foaming temperature , saturation pressure and shear rate on the cell morphology of foamed PLA in microcellular foaming process of supercritical CO2 / PLA were investigated .

目前主要通过PVT取样分析测定和相关经验公式来确定它，前者费用高，后者精度差，给饱和压力的确定带来困难。

It is defined by PVT sampling analysis with high cost and related experience formulae with low accuracy at present , so it is difficult to define the saturation pressure .

对现场获取的油气水试样，用GF731型高压物性仪，测得原油饱和压力值。

Oil bubble point pressure of oil gas water samples were measured with GF731 high pressure physical property apparatus .

首先对现有的4种溶解气驱IPR方程进行了筛选，以Cheng和刘想平的方程为基础，建立了适用于油藏压力高于饱和压力的不含水组合型水平井IPR模型。

In this work , based on Cheng and Liu 's formulas , the two of four present IPR equations for horizontal wells in dissolved-gas drive reservoirs , two assembled IPR models for horizontal wells with reservoir pressure higher than saturation pressure and water cut of zero were evolved .

通过PVT相态实验研究表明，原油注入氮气后原油体系组成、性质变化明显，随着氮气注入比例的增加，原油的饱和压力、膨胀系数、体积系数、气油比增加，原油黏度、密度则减小；

PVT phase behavior experiments show that , with the increase of the injected nitrogen , the saturation the pressure , the expansion coefficient , the volume factor and the gas / oil ratio of crude oil system increase , but the viscosity and the density of it decrease ;

微尺度下固壁面对氩的饱和压力影响

Effect of solid wall on saturation pressure of argon in microscale

注气对挥发性原油饱和压力的影响

Effect of Gas Injection on Saturation Pressure of Volatile Oil Reservoir

相变换热加热炉饱和压力的合理确定与控制

Rational Confirmation and Control on Saturation Pressure of Phase-change Heater

原油饱和压力测量系统的改进设计

Design of Testing System of Saturation Pressure

用不稳定试井资料求取饱和压力&以准东油区为例

Saturation pressure derived from transient test data ── an example from East Junggar oil area

饱和压力的改变尤其容易影响挥发性油藏的开发动态。

And the change of saturation pressure could affect the performance of volatile oil reservoir .

低于饱和压力时，近井地带出现气相流动区。

When it is lower than saturation pressure , free gas flow occures near the wellbore .

合理确定和控制介质的饱和压力对相变换热加热炉的经济性有显著影响。

This paper studies the effect of saturation pressure to the heat surface of a phase-change hearer .

流压低于饱和压力油藏油井流入动态方程理论研究

Theoretical Study on the Inflow Performance Relationship of Oil Wells in Reservoir of the Flow Pressure Under the Bubble Point Pressure

实验记录了5种不同饱和压力下的气体流量、环境温度、环境压力等，并将实验结果与理论计算相比较。

The mass flow rate , environmental temperature and pressure were recorded , and experimental results were compared with theoretical values .

可视化分析表明，闪蒸形态随闪蒸室内饱和压力的减小而变剧烈，闪蒸换热系数随之减小。

According to observation , flash evaporation behavior became severe with the decrease of saturated pressure and heat transfer coefficient declined subsequently .

结果表明，油藏含水率上升，原油饱和压力下降，但不同层位的下降幅度有所差异。

Experimental results show that oil bubble point pressure decreases when water cut increases , but decrease of different layer was different .

式中高于饱和压力下的采油指数，求取低于饱和压力下不同井底流动压力条件的采油指数。本文还写出了特殊情况下如新投产的完善井、井底流动压力等于零时的有关计算式。

The paper also presents pertinent correlations for particular cases , such as undamaged new wells and zero bottom hole flowing pressure .

井底流动压力高于饱和压力时，储层流体呈单相原油流动；

When bottom hole flowing pressure ( BHFP ) is higher than saturation pressure , oil flows in single phase in the reservoir .

给出了用该法测得的处在饱和压力下液氮介电常数值，并与其他作者的测量结果进行了比较。

Dielectric constants of saturated liquid nitrogen obtained by using this method are given and compared with the results made by other authors .

研究了介质饱和压力对相变换热加热炉受热面布置的影响，提出了介质饱和压力的合理范围，对相变换热加热炉燃烧控制系统作了简要介绍。

A rational range of saturation pressure is proposed and a brief introduction of the combustion control system adopted in phase-change heaters is made .

在实际生产过程中，由于储层非均质性，以及开发后期为了控制含水的上升，油藏中局部地区的压力会降到饱和压力之下。

During practical production , due to heterogeneity and control ascending of water cut latterly , reservoir pressure will be below bubble point pressure locally .

最后研究了发泡温度、饱和压力和发泡时间对泡孔结构的影响，并探讨了开孔机理。

At last , the effects of foaming temperature 、 saturatio pressure and foaming time on cell structure and the cell opening mechanism were briefly discussed .

与现有实验数据比较，纯质水的饱和压力计算平均误差为0.09%，最大误差为0.44%；

Compared with the experimental data now available the average and maximum calculation error of pure water saturated pressure is respectively 0.09 % and 0.44 % .

理论分析中考虑了两类不同的界面切应力的影响和饱和压力的影响。

The effects of the relative importance of the two kinds of shear stresses and the effects of the pressure are considered in the theoretical prediction .

并合理补充地层能量，地层压力降至0.85倍饱和压力附近时开始注水，注采比保持在1.0左右。

When formation pressure decreases to around 0.85 times of saturation pressure , water should be injected with the injection-production ratio of some 1.0 to replenish energy .

有了这个公式，只要知道地层压力和饱和压力，便可计算出油井或油田的最低允许流动压力。

With the known formation pressure and saturation pressure , this formula helps to calculate the lowest allowable flowing pressure of a well or an oil field .

注水模式为早期温和注水，注水强度逐渐增强，在饱和压力附近达到注采平衡。

The water-injection pattern is characterized by " early moderate injection , gradual increase of injection and making a balance between injection and production near saturation pressure " .

分析了溶解气油体积比、饱和压力、井底流压、裂缝方位、缝长、裂缝渗透率对开发效果的影响。

And we study many factors which affect the development , such as solution gas-oil ratio , saturation pressure , producing bottom-hole pressure , fracture azimuth , fracture length and fracture permeability .