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- Low permeability tight sand 低渗致密储层
- The existence of vast area of tight sand rock, low permeability of sand rock and plenteous gas supply are all favorable conditions for the formation of deep basin gas traps. 大面积致密砂岩的存在、砂岩的低渗透性以及充足的天然气供应都是形成深盆气藏的有利条件。
- IN-HOUSE STUDY ON WATER LOCKING DAMAGE OF TIGHT SAND GAS RESERVOIRS WITH LOW PERMEABILITY 低渗透致密砂岩气藏水锁损害室内研究
- Applying non-stabilized flowing pressure and rate to interpret low permeability tight gas reservoir parameters 用不稳定流动的压力和流量解释致密低渗气藏的地层参数
- The second class oil layer is characterized by decreased channel sand, increased sublayers, thinning single layer, low permeability. 针对南二区东部二类油层河道砂发育规模明显变小，小层数目增多，单层厚度变薄、渗透率变低的储层特点。
- This paper reviews the forming reasons of extremely low permeability of tight sandstone gas reservoir,including congenital aggradation and acquired diagenesis. 论述了致密砂岩气藏特低渗形成的原因:即先天的沉积因素和后天的成岩作用等。
- Leachate and calcium solution can reduces impervious performance of compacted composite sand, but still ensure the low permeability properties. 钙溶液和垃圾渗滤液的渗透降低了压实复合土防渗性能,但压实复合土仍能确保低渗透性能。
- The sand body at Shihezi formation of Tabamiao area in Erdos basin is mainly plain and fluvial deposits with characteristics of low porosity, low permeability and high impedance. 鄂尔多斯盆地塔巴庙工区下石盒子组砂岩体主要属平原分流河道沉积 ,具有低孔、低渗和高阻抗特征。
- 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。
- Well logging evaluation methods for low permeability oil reservoirs. 低渗透储集层测井评价方法。
- Using the sand pack model, the percolation features of low permeability cores with various clay minerals and different proportions of clays are studied under different fluid injection patterns. 通过室内填砂管渗流实验,研究了不同粘土类型、不同粘土比例的低渗透岩心在不同流体注入方式下的渗流特性,并根据实验结果分析了其渗流机理。
- 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。
- Correctively distinguish the two kinds of tight sand gas from each other is very important to guide natural gas exploration and make the right exploitation plan. 准确判识两种类型致密砂岩气藏对于指导天然气勘探和合理制定开发方案均具有重要意义。
- The genesis of tight sand is controlled by the distribution of depositional system and depositional microfacies in early days and diagenesis in the later stage. 其致密砂岩成因前期受控于沉积体系、沉积微相的平面展布，后期成岩作用则是研究区致密砂岩的的重要成因。
- It is very hard to develop effectively the Upper Paleozoic low-pressure, low-porosity, low-permeability tight sand gas reservoir in the Tabamiao area, northern Ordos basin. 鄂尔多斯盆地北部塔巴庙地区上古生界致密砂岩气藏的低孔、低压、低渗特点给开发带来了相当大的难度。
- tight and low permeability gas reservoir 致密低渗透气藏
- 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
