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- However, studies have shown that flow in low permeability media does not follow Darcy's law, and that a starting pressure gradient (SPG) occurs in the percolation. 建立了低渗非达西渗流相对渗透率计算方法,导出了计算公式,并进行了非稳态流动实验。结果表明:在低渗油藏相对渗透率曲线中,束缚水和残余油饱和度较高,两相渗流区范围较窄;
- Most low permeability gas reservoirs belong to deformed media. 摘要大部分低渗透气藏属于变形介质。
- low permeability media 低渗介质
- When gas percolates at a low speed in porous medium with low permeability, slippage effect will occur. 低渗透气藏普遍具有低孔、低渗、高含水饱和度的特点,气体渗流存在明显的滑脱效应。
- Wu Erhe Oilfield belongs to medium porosity, low permeability oil reservoir, and is intensively heterogeneous . 乌尔禾油田属于中孔、低渗油藏,储层非均质性严重;
- During the exploration and development for the medium and low permeability oil and gas reservoirs,it has a actual value. 在中低渗油气藏勘探开发过程中,具有一定的实用价值。
- Well logging evaluation methods for low permeability oil reservoirs. 低渗透储集层测井评价方法。
- Low permeability reservoir development is a technical challenge in China. 摘要低渗气藏的开发已成为我国气藏开发所面临的一个技术挑战。
- Anan oilfield is a typical low permeability complex fault block reservoir. 阿南油田属低渗透复杂断块油田,断层比较发育,构造极为破碎。
- A mathematical model of two phase non Darcy percolation has been established for reservoirs with anisotropic dual media of low permeability, and is solved by using finite difference method. 注水开发这种油藏时,见水前注入率不能太大;见水后可适当增大注入率(存在一最佳注入率),以减弱非达西流的影响,对于低渗双重介质油藏开发有重要指导意
- The results showed that the resin filling speed was enhanced by adding both high permeability medium and peel ply. 结果表明,高渗透率的导流介质和脱模介质均能有效提高树脂的充模速度;
- The main conclusion of research is that the formation of Shihezi and Shanxi in the upper palaeozoic gas pool at the SuLige gas field is characteristic of low permeability and medium porosity. 研究的主要结论：苏里格气田上古气藏下石盒子组-山西组的储层为低渗透率、低孔隙度储层，沉积相类型主要是河流沉积。
- A natural escape of hot fluids from the steam reservoir should be prevented by cap rocks with low permeability. 只要存在通透性能低的盖层，蒸气储放热流体就不会自行外逸。
- The concept of this self-sealing process broadens the likelihood of cap rocks with low permeability occurring in volcanic areas. 自封密过程这一概念使得火山区也可能出现渗透性能很低的盖层。
- A complete set of EOR technology by gas injection in low permeability oil reservoirs. 低渗透油藏注气提高采收率配套技术
- Application of CO_2 Clean up Technology Acidizing in Low Pressu re and Low Permeability Oil-Layer. CO_2助排技术在低压低渗油层酸化中的应用
- Countermeasures of EOR in low permeability oil reservoirs of Shengli petroliferous area. 胜利油区低渗透油藏提高采收率技术对策
- A Pressure Pulse Technique to Test Liquid Permeability of Core with Low Permeability. 测量低渗岩心液体渗透率的压力脉冲技术
- And low permeability reservoir is slower than mid-high permeability reservoir in pressure wave propa... 低渗透油藏比中高渗透油藏的压力波传播速度慢。
- The strand shallow lake-bar sandstone had the characteristics of thin reservoir,low porosity and low permeability. 滨浅湖相滩坝砂岩具有储层厚度薄、孔隙度低、渗透率低的特点。
