Owing to the complex geological factors and changeable productivity, there are many factors effect on the prediction of productivity in ultra low permeability reservoir.
超低渗透储层由于其地质因素复杂，产能变化大，影响产能预测的因素众多，因而产能预测难度大。
Ansai oil field in Ordos basin is a ultra low permeability reservoir with natural and induced fractures, which caused serious lateral heterogeneity of permeability in the reservoir.
鄂尔多斯盆地安塞特低渗透油田由于存在天然裂缝或人工压裂裂缝，造成了储集层平面渗透率的方向非均质性。
The fracturing technology of horizontal well and supplementary well patterns can greatly improve the development effectiveness in the ultra-low permeability reservoir.
再配合适当的注采井网，特低渗透油藏开发水平将有大幅度的提高。
This paper primarily discusses the changeable features of the process through the modelling experiment of secondary migration using the reservoir sandstone with ultra-low porosity and permeability.
石油二次运移是一个复杂的地质过程，本文通过利用饱和地层水的低孔低渗储层砂岩来进行石油二次运移模拟实验，初步研究了此过程的变化特征。
The Daanzai reservoir belongs to the type of porosity-fractured reservoir of ultra low porosity and permeability.
川中大安寨储层属于特低孔隙度、低渗透率的孔隙-裂缝型储层，裂缝以低斜水平缝为主。
The results indicate that throat type in an extra-ultra low permeability sandstone reservoir is versatile and minute.
研究结果表明，特低-超低渗透砂岩储层喉道类型多样；
Reservoir properties is middle-low, and permeability is low- ultra-low.
储层物性上具中低孔，低-特低渗特征；
Reservoir properties is middle-low, and permeability is low- ultra-low.
储层物性上具中低孔，低-特低渗特征；
应用推荐