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- strata with low permeability 低渗透地层
- 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。
- 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
- The Reservoirs in updip block of Shuanghe oilfield fan delta are deep with low porosity and low permeability. 双河油田扇三角洲上倾部位油藏埋藏较深、低孔低渗,由于井距大,注采不完善等导致开发效果差。
- Their reservoir property belongs basically to the reservoir with low porosity and low permeability. 但在有利的构造部位有可能找到孔渗性较好的区块。
- 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。
- At home in these days main increase of OIP is the third genus reserve of the sandstone reservoir with low permeability. 致密低渗透储层中裂缝分布的研究,对提高低渗透储层的开发效果具有重要的理论及现实意义。
- The non-Archie phenomenon is prevalent, which is remarkable in rocks with low permeability. "非阿尔奇"现象普遍存在;在低渗透(低连通性)储层岩石中更为明显.
- 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。
- The efficiency of hydraulic fracturing treatment in reservoirs with low permeability can be improved by oriented fracturing assisted with hydraulic perforating. 水力射孔辅助定向压裂可有效提高低渗透油田压裂效率,明显改善压裂效果。
- Putaohua oilfield at the outer-ring of Daqing placanticline is a kind of typical "3 low"oilfield,namely,a field with low permeability,low porosity and low hydrocarbon abundance. 大庆长垣外围葡萄花油田进入中高含水期开发阶段,主力油层水淹严重。
- The technique of directional pinnate horizontal wells, which joints the drilling, completion and stimulation jobs together, adapts to exploit coal-bed gas with low permeability. 定向羽状水平井技术适合于开采低渗透储层的煤层气，集钻井、完井与增产措施于一体。
- Mazhai oilfield is a strongly water wet reservoir with low permeability, low oil viscosity, highly variable inter formational permeability and large well spacing. 马寨油田为低渗透强亲水油藏,层间渗透率差异大,原油粘度低,井网密度大。
- Propagation process of weathering fronts of rock blocks with low permeability in vadose zones is one of the most important links in the breeding process of slope hazards. 非饱和带低渗透岩石结构体风化前锋扩展是斜坡灾害孕育过程中的关键环节之一。
- The results show that under residual water conditions, gas percolation with low speed in water-wet low permeability reservoirs has obvious characteristics of non-Darcy flow. 研究成果表明：在残馀水状态下，亲水低渗储层岩石中的气体低速渗流具有明显的非达西渗流特徵；
- Fracturing technology is one of the most efficient means to explore the oil reserve with low permeability, oil immersion, oil patch and oil trace. Space distribution of this reservoir is very complex. 三次加密井开采的主要对象是表内薄差油层及表外储层,岩芯测试表明该类储层多为泥质粉砂岩,渗透率很低,含油产状为油浸、油斑、油迹,要有效动用此类储层的储量,压裂改造是最有效的措施手段。
- With real cases, it is demonstrated the method is simple and practical, meets the engineering accuracy requirements, and has important significance for the development of the heterogeneous gas reservoirs with low permeability. 通过实例分析表明 ,该方法计算简单、实用 ,满足工程精度要求 ,对非均质低渗透气田的开发有重要意义。
- So, in order to solve this puzzle, some experimental EOR researches of new surfactants, including SL-1 (Amino-acid type) and SL-2 (Lycine type), for flooding have been done in the lab with low permeability artificial cores. 为此,针对提高低渗透油层采收率困难的问题,在室内进行了人造低渗透岩心新型表面活性剂(SL-氨基酸型和 SL-甜菜碱型,以下简称 SL-1和 SL-2)驱油提高采收率实验探索性研究。
- Permeability of basalt fibre reinforcements with two different structures that are laminated mainly depends on fabric with lower permeability. 两种不同结构的玄武岩增强材料叠合在一起的铺层结构的渗透率主要取决于渗透率较小的增强材料的渗透率。
- In order to exploit low pressure reservoirs with low permeability in the Tuha oil-field efficiently,the pumpable micro-foamed drilling mud system is developed based on large quantities of lab tests. 吐哈油田为有效开发低压低渗储层,在大量室内试验的基础上,优选了适合于该区块的微泡沫钻井液的起泡剂和稳泡剂,并进行了微泡沫钻井液体系的室内配方研究与抗温、抗污染、稳定性能评价。
