The throat characteristic of the low permeability reservoir is the crucial factor that decides if physical quality is good in low permeability layer.
低渗透储层喉道特征是决定储层物性好差的关键因素。
The effect of polymer solution on improvement of oil-displacement efficiency in high permeability layer is better than the effects in medium and low permeability layer.
聚合物溶液在模型高渗透层内提高驱油效率作用的效果要好于中、低渗透层。
Because of complex pore structure in low permeability sandstone reservoir, it was quite difficult to identify oil or water layer and evaluate reservoir using normal methods.
低渗透砂岩油藏因其孔隙结构复杂，利用常规方法进行油水层识别和储层评价难度较大。
IV and front sandbar, the reservoirs have the characters of multiplayer. low permeability, small single layer thickness.
油层具有发育层数多、渗透率低、单层厚度薄等特点；
Some of the production Wells in Jianghan oil Region possess the geological features including low reservoir permeability, thin adjoining layer between water and oil layers, etc.
江汉油区部分油井具有油层渗透率低、油水层之间隔层薄等地质特点。
Anpeng deep layer series is a clastic reservoir with low porosity, low permeability and fracture growth, where fractures are the main hydrocarbon migration channel and storage space.
安棚地区深层系为低孔、低渗、裂缝发育性碎屑岩储层，裂缝是主要的油气运移通道和储集空间。
This paper presents a new method in which the coating layer is absorbed by low vacuum for determining the permeability of coating used in casting.
提出了用负压吸附涂料层的方式测试涂料透气性的新方法，并推导出了在该方法下计算涂料透气性的数学表达式。
Low permeability reservoir have many Fracture, and serious channeling layer, uneven use of reserves in layer and layer. select nitrogen drive and optimization.
针对低渗透区块裂缝发育、层间串较严重，层内及层间储量动用不均衡等情况。
Tazhong 16 of Tarim oil field as an example, a development method for the layer reservoir of mid -low permeability bottom water was introduced in the paper.
以塔里木油田的塔中16油田为例，介绍一种适合层状低渗边水油藏特点的开发模式。
Study of using CO2 stimulation process in Wei-5thin-layer heavy oil reservoir with medium-low permeability and complicated small fault block is conducted.
针对江苏油田韦5中低渗复杂小断块薄层稠油油藏进行CO2开采方式研究，为同类型稠油油藏利用CO2开采提供有益的借鉴。
In the vertical direction, follow-up water diverted from the high-permeability layer to the low-permeability layer to enhance the vertical sweep efficiency.
在纵向上，后续水从高渗层转向低渗透层，提高纵向波及系数。
In the vertical direction, follow-up water diverted from the high-permeability layer to the low-permeability layer to enhance the vertical sweep efficiency.
在纵向上，后续水从高渗层转向低渗透层，提高纵向波及系数。
应用推荐