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   聚合物驱 在 石油天然气工业 分类中 的翻译结果: 查询用时:0.9秒
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  polymer flooding
Micellar-polymer flooding of oil strata under conditions of irreversible sorption
      
Polymer flooding of oil formations with bottom water
      
A quasi-one-dimensional model describing the process of polymer flooding of oil formations underlain by bottom water is proposed.
      
Polymer flooding for enhanced oil recovery (EOR), especially using polyacrylamide (PAM) based systems, gradually became the largest non-Newtonian fluid process of economic significance.
      
Application of the "rigid stream tube" method to calculate micelle-polymer flooding in a staggered system of wells
      
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  polymer flood
Two-phase brine mixtures in the geothermal context and the polymer flood model
      
We show that the wave speed matrix for the hyperbolic part of the coupled system is formally identical to the corresponding matrix in the polymer flood model for oil recovery.
      
For the class ofstrongly diffusive hot brine models, the identification is more than formal, so that the wave phenomena predicted for the polymer flood model will also be observed in geothermal reservoirs.
      
Capillary pressure and polymer flood experiments were conducted using Elgin and Okesa sandstone samples.
      
  polymer displacement
Mathematical simulation of micellar-polymer displacement of oil from flooded strata
      
Numerical investigation of micellar-polymer displacement of oil from layered strata
      
Purification of Lac repressor protein using polymer displacement and immobilization of the protein
      
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This article reviews mechanisms of polyacrylamide flooding and effects of various factors on the polymer flooding efficiency:concentration, molecular weight and degree of hydrolysis of polyacrylamide,types and concentration of salts,types and permeability of formations,temperature, characterization of crude oil,flow rate,and slug size.

聚丙烯酰胺正广泛地用于聚合物驱油现场试验。本文介绍了聚合物驱油机理及聚丙烯酰胺浓度、分子量和水解度,盐的浓度和类型,地层类型和渗透率、温度、原油性质、流速和段塞尺寸对聚丙烯酰胺驱油效率的影响。

This paper explains and discribes viscoelastic effects in some polymer solution flowing through porous media under laminar flow condition. The value of critical Deborah number measured with Wisenbao plate-cone rheologic instrument ranges from 0.02-0.05. The author considers that the NDeo value limit and accuracy calculated by the equations of Bird and stated by Zimm theory should further be studed.

本文解释并描述在稳定层流条件下,一些聚合物稀溶液流经多孔介质出现粘弹性的流动行为。又用威森堡锥板式流变仪测定了部分水解聚丙烯胺酰水溶液发生粘弹效应而偏离的临界德博拉N_(Deo)数值为0.02~O.05。不仅有助于聚合物驱油机理的研究,也有助于钻井液、水泥浆、酸化液、压裂液在多孔介质中流动行为的控制,保护油气层。对于后者,调节聚合物的浓度、分子量、流型,使其德博拉数N_(Deo)

The tendency of viscosity variation with the pH value of the HPAM solution used for alkali-polymer flooding under a certain concentration of cations in the solution has been studied.A theoretical explanation has also been proposed for the phenomena of the visco- city increasing with the pH value of the solution.The different effect of the species of alkali agents and their concentration on the pH value as well as on the viscosity of solutions is disecussed.The decrease of solution viscosity with the increase...

The tendency of viscosity variation with the pH value of the HPAM solution used for alkali-polymer flooding under a certain concentration of cations in the solution has been studied.A theoretical explanation has also been proposed for the phenomena of the visco- city increasing with the pH value of the solution.The different effect of the species of alkali agents and their concentration on the pH value as well as on the viscosity of solutions is disecussed.The decrease of solution viscosity with the increase of cation concentration, -Δη/Δ[Na~+],appears dramatically in the beginning and,after a inflexion point,is reached goes smoothly.The study of the thermal stability for two systems used for alkali-polymer and polymer flooding is carried out under a simulated reservior condition and higher temperature (60℃).The change of properties of polymer solutions is researched when stored under room temperature.Based on all of the experimental work mentioned above,some explana- tions for the mechanism of alkali-polymer flooding are finally made.

本文研究了用于碱-聚合物驱的部分水解聚丙烯酰胺溶液在阳离子含量一定,改变 pH 值时溶液粘度的变化情况,对溶液粘度随 pH 值上升而增大的现象给出了理论上的解释。探讨了不同碱剂和不同碱剂浓度对部分水解聚丙烯酰胺溶液的 pH 值和粘度(η)的影响。发现随着溶液阳离子含量的上升,粘度下降的速率(Δη/Δ[Na~+])由大而转小,在粘度(η)下降过程中存在一个趋势转折点。研究了碱-聚合物驱体系和聚合物驱体系在拟地层条件、高温(60℃)下的热稳定性,聚合物溶液在室温下放置时溶液性质的变化。对碱-聚合物驱油机理进行了一些解释。

 
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