The permeability value is magnitudes 2–4 lower for the laboratory scale against the engineering scale.
确定实验室尺度较工程尺度而言,煤岩介质渗透率低2~4个数量级。
The water permeability value not only depends on the water content, but also is affected by the alcohol content.
液相内水的渗透率正比于水含量,反比于正戊醇含量。
Pore permeability is the permeability of a single pore of a rock, while reservoir permeability is the equivalent value of pore permeability on the whole cross-section of the rock.
孔隙渗透率是单根孔隙的渗透率,地层渗透率是孔隙渗透率折算到整个地层截面积之上的渗透率。
By using this model the soil-water characteristics and permeability coefficient of unsaturated soil are deduced and expressed in fractal dimension and air-entry value.
本文建立了土体孔隙分布的分形模型,导出用分维和进气值表示的水分特征曲线和渗透系数的理论表达式。
The permeability under temperature function of two groups of rock specimens obeys exponential function to increase, and the threshold value of temperature exists.
两组岩样在温度作用下渗透率都服从指数函数增加,并存在温度门槛值。
Oilfield application obtained better results. For low pressure and low permeability hydrocarbon reservoirs, especially gas well, this perforating completion process has important application value.
通过现场应用取得了较好的效果,该工艺技术对低压、低渗油气藏特别是气井的射孔完井具有重要应用价值。
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。
Reservoir macroheterogeneity is also high. Its internal longitudinal permeability has obvious differences and the value of permeability heterogeneity parameters is greater.
宏观非均质性较强,层内纵向上渗透率差异明显,渗透率非均质参数值较大;
The formation of compaction bands could greatly reduce the permeability of rocks, which has potential economic value.
压缩带的形成能够较大地降低岩石渗透性,存在潜在的经济价值。
As for the status of the increasing proportion of low permeability oil-gas reserves in our country, this advanced drilling technology has much greater potential value.
而针对于我国低渗油气储量所占比例日渐增加的现状而言,这种先进的钻井技术有着更巨大的潜在价值。
Its properties are evaluated, including rheology, permeability and recovery value, etc.
全面评价了该降粘剂的性能,包括流变性、渗透率恢复值等。
Since pure foaming agent with short half-value period causes a poor plugging effect for high-permeability reservoir with water channeling, this paper studies on gel foam sysem.
针对纯发泡剂半衰期较短、对已形成注入水窜流通道的高渗透储层封堵效果较差的实际问题,开展了凝胶泡沫体系的研究。
Compared with regular material, it has some unusual parameters value, simultaneously negative permeability and permittivity.
与常规材料相反,它具有同时为负的介电常数和磁导率,进而具有负的折射系数。
The test results show that the permeability of hard rocks is obviously different from that of soft rocks not only in permeability-strain behavior but also in value of coefficient of permeability.
试验结果反映出在变形过程中不论是渗透性 -应变关系特点 ,还是渗透性量值 ,软岩和硬岩均表现出明显差异。
The effective permeability is stated as some numerical value at some given saturate conditions.
有效渗透率用在一定饱和条件下的数值表示。
Xiangxiqun Formation generally has the characteristic of low bore and low permeability in Chuanzhong oil field By fracturing reconstruct, most of Wells have acquired the business value.
川中香溪群储层普遍具低孔、低渗特性,大部分井只有通过压裂改造,才能获得商业开发价值。
This makes achieving negative permeability under extremely low frequency as well as the permeability switching between positive and negative value rapidly through a magnetic field pulse into possible.
这使实现极低频的负磁导率以及通过磁场脉冲实现磁导率在正负之间快速跳变成为可能。
The results show that the early strength and the permeability of concrete can be improved effectively, and the hydration heat can be reduced and the hot peak value at the early age can be postponed.
结果表明:掺加激发剂能有效改善大掺量粉煤灰混凝土早期强度低的问题,而且可以在降低水泥水化热的同时,延缓混凝土早期放热峰值的出现,并使混凝土具有良好的抗渗性能。
The result shows that the permeability coefficient will increase gradually with the pressure increase and drastically after the strain gets to a critical value, when the fissure will occur.
结果表明,随着压力增加,渗透系数逐渐增大,在应变达到某临界值后,渗透系数开始急剧增大,此时裂隙产生。
Permeability is a key factor to air leakage, its value and distribution influences greatly the distribution of air leakage. The mechanized support influence air leakage from working face to gob.
渗透率是解算采空区流场的关键参数,渗透率的变化对采空区的流场有很大的影响,而综采支架的存在,影响工作面向采空区的漏风。
For optimized fly ashes, specific surface value determined by air permeability method is more desirable than fineness value by sieve analys...
对于优化粉煤灰,用透气法测定其比表面积比用筛析法测定的细度,更适宜于表征粉煤灰的品质。
The optical film has a high retardation value, the transparency and the moisture permeability resistance.
该光学膜具有高延迟值、透明性和耐透湿性。
The optical film has a high retardation value, the transparency and the moisture permeability resistance.
该光学膜具有高延迟值、透明性和耐透湿性。
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