查询词典 injectivity

Due to its advantages of low cost, temperature tolerance, salt resistance, good injectivity, friendly environment and suitability to harsh reservoir conditions, soluble silicate is applied widely for profile control and water plugging in oilfield.

中文摘要：水溶性硅酸盐具有价格低廉、耐温、耐盐、注入性好、环境友好、可应用于苛刻条件的油藏等特点，在油田的调剖堵水中得到了广泛的应用。

A new kind of the mathematical discription of fines deposition, release and migration in porous media was formulated. So, a new mathematical tool was given for the quantitative discription of the injectivity decline due to the fines problem.

与现存理论相比，本文提出的数学模型具有如下方面的特点： 1、由于直接从微粒在孔隙内的动力学特征出发，因此，模型中需要由实验确定的模型参数较少，同时，模型中不出现由实验确定的经验的关系式。

Based on the analysis of dynamic characteristics in field tests area and commercialized production areas for polymer injection in class Ⅱ reservoirs, some problems about polymer flooding in class Ⅱ reservoirs can be found, such as low injectivity, low liquids productivity, short period with low water cut and serious planar conflicts.

通过对已开展的二类油层注聚试验区和工业化区块的动态反映特征分析，指出二类油层在聚驱开发过程中存在着注入能力差、产液能力低、见效含水低值期短、聚驱平面矛盾突出等问题。

The composite absorption gel for profile control and water blocking used in oilfields now has poor flexibility and injectivity, which cannot realize deep profile control.

针对目前用于油田调剖堵水的复合吸水凝胶吸水后柔韧性和注入能力差，不能有效进行深部调剖的现状，提出了改善吸水凝胶吸水性和注入性的方法，并制得柔性复合吸水凝胶PAG。

This paper analyzes that the main reason of low injectivity of water injection wells is that the Sr 2+ in formation water reacts with the SO 4 2- in the Yellow River water to produce precipitate of BaSO 4 when the Yellow River water mixes with formation water.

该文分析了胜坨油田注水井吸水能力降低的主要原因是黄河水与地层污水混注时，地层水中的Sr2＋、Ba2＋与黄河水中的SO2－4反应生成BaSO4、SrSO4沉淀。

In reservoir engineering,the Kiny factor of core perme-ability can be used to evaluate a reservoir heterogeneity;the development data for individual layers in layer series of de-velopment can be used to estimate the production status of layers;while profile-testing data can be applied to analyze water injectivity and fluid production.

在油藏工程中可利用岩心渗透率的基尼系数评价储集层的非均质性，利用开发层系中各小层开发数据评价小层产出状况，利用剖面测试数据分析吸水和产液状况。

Because of the factors of isotopic contamination, unreasonable pipe structure of water injection wells, existence of big pore formation,cement channeling and poor well performance, the well logging data of injectivity profile accuracy is influenced.

由于同位素污染、注水管柱结构不合理、存在大孔道地层、固井窜槽和井况变差等因素，影响了吸水剖面测井资料的准确性。

In this review paper the methods and techniques for removing various precipitations plugged in raservoirs and for enhancing injectivity of water injection wells in Daqing Oil Fields are described briefly for their basic principles, characteristic features and proper uses.

大庆油田为确保稳油控水而进行的注水结构调整中使用了多种注水井解堵增注方法。

A separable functor F:〓M→〓M has more properties: information about semisimplicity, injectivity, and projectivity of objects in 〓M yields information about the corresponding properties in 〓M.

并且当F：〓M→〓M是可分函子时，如果范畴〓M中的对象具有半单性、内射性、投射性，那么在范畴〓M中的相应对象将仍然保持这些性质。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。