The testing research about enhancing permeability rate by hydraulic cutting seam on outsize coal sample is introduced.
介绍了特大煤样采用水力割缝提高瓦斯渗透率的实验研究。
Compared with the test production, the paper obtains the variation law of rock permeability rate and P-Q curve during the high-pressure water.
本文通过对试验成果的比较，得出了高压压水过程中岩体透水率值和P ~Q曲线的变化规律。
The flow behind groynes to the floodplains is mainly related to the permeability rate and deposition status of the floodplain behind groynes. The amount of wate…
坝后过流上滩的水势主要与透水率及坝后滩地落淤状况有关 ，上滩水量也主要取决于透水率的大小。
The property testing of the samples before and after finishing shows that calendaring finishing can lower the thickness and water permeability rate of the samples significantly.
接着，测试了厚度及透水性都满足要求的试样的轧光前、后的拉伸断裂性能。
The absolute permeability rate of coal and relative permeability rate of gas-water are the necessary parameters for forecasting the birth rate of coalbed methane and water in mining.
煤的绝对渗透率、气-水相对渗透率在预测煤层气开采中甲烷和水的产率是极为必要的参数。
The rate at which the flowing water overcomes this resistance is related to the permeability of rocks.
水流克服这种阻力的速度与岩石的渗透性有关。
Aqueous trapping display in two aspects, one is the reduction of mobile gas and the degression of gas permeability, the other is the decline of gas production rate and the decrease of gas recovery.
水相圈闭损害主要表现在两个方面，内部表现为可动气量的减少和气相渗透率的下降，外部表现为产气量的下降和气藏采收率的降低。
The results indicate membrane permeability and cooling rate are main factors that affect the cell shrinkage.
计算结果表明，膜的渗透性和冷却速率是影响细胞体积收缩的主要因素。
The influence of temperature, gas-liquid ratio, gas-liquid rate, residual oil saturation and permeability on steam foam sealing ability is studied on the basis of microscopic percolation study.
在蒸汽泡沫微观渗流研究的基础上，研究了温度、气液比、气液速率、残余油饱和度以及渗透率对蒸汽泡沫封堵能力的影响。
Main geologic factors that influence recoverability of coal-seam gas include coal-bed permeability, reservoir pressure, gas saturation and desorption rate.
影响煤层气可采性的主要地质因素有：煤层的渗透性、储层压力、含气饱和度、解吸率等。
The resistance-reducing rate for the small ground grid or electrode is less than 56.6%, even under large permeability.
即使考虑强大的渗透作用，集中接地体或小型地网的降阻率也不会超出56.6%。
But if matrix permeability is low, higher recovery rate is not allowed to use due to its low imbibition displacement velocity.
如果基质渗透率较低，因其吸渗排油速度低，不宜采用较高的采油速度。
Owing to a small fluid flowing rate, it is difficult to measure and interpret the physical parameters of low permeability tight rocks by use of conventional core analysis method.
对于低渗透致密岩石的物性参数，由于流体流动速率很小，采用常规的岩心分析方法难以测量和解释。
The effects of operation conditions , such as the temperature and flow rate of solution and the width of air-gap on membrane permeability were studied by air-gap membrane distillation.
利用气隙式膜蒸馏实验对料液温度、流率及气隙宽度等操作条件对膜渗透性能的影响进行了测试和分析。
In steady flow rig the pressure drop and the mass flow rate of the DPF were measured, and the measured data are used in the estimation of DPF permeability.
在稳流试验台上进行了微粒过滤器的压力损失与流量测试试验，运用测得的数据计算了微粒过滤器的渗透率。
This system can implement constant-head, constant flow-rate and transient-pulse permeability tests of specimen under high confining and pore pressures.
该装置可在高围压及高孔隙水压力条件下采用定水位法、定流量法或压力脉冲法测试岩石的渗透系数。
Pore structure of Daqing and Changqing low permeability reservoirs is further studied using rate-controlled mercury penetration technique.
利用恒速压汞技术研究了大庆和长庆低渗透油藏岩心的孔隙结构。
For the cores with different permeability, its water plugging rate was higher than 85%, oil plugging rate was lower than 20%, and-selectivity was good.
对不同渗透率的岩芯，堵水剂的堵水率大于85%，堵油率小于20%，具有良好的选择性。
Through the AC test, the permeability of concrete and the steel corrosion rate of the carbonated concrete samples were studied.
采用交流电方法研究了混凝土的渗透性，同时还测定了碳化后混凝土中的钢筋锈蚀量。
At last, this paper evaluates some parameters which may have influence on recovery of air injection, reservoir temperature, injecting rate, water saturation, permeability and grid size.
最后通过数值模拟评价了一些影响注空气采收率的参数，油藏温度、注入速度、含水饱和度、渗透率和模型网格大小。
This article discusses the relationship between air permeability and pressure difference, and introduces the structure of the instrument, the calibration of rate of flow, and the experimental data.
本文讨论了织物透气性与压差的关系，对仪器的结构原理与流量标定作了介绍。
This paper presents a new method of steady flow to solve the problem that the injection rate into cores is difficult to get steady, especially for gas in measuring relative permeability.
本文就用稳定法测量相对渗透率曲线中，存在的注入流量难以稳定的问题，提出了一种新的稳流方法。
At high speed, asphaltene plugging is more serious with increase of flow rate. The damage degree of asphaltene plugging is higher in low permeability core than in high one.
在较高流速下，随速度升高，沥青所造成的孔喉堵塞更加严重，在低渗岩心中沥青堵塞引起渗透率伤害程度大于高渗透岩心。
Methods. A previously validated method for measuring permeability, based on the relaxation pressure caused by a transient-flow rate was used.
方法：以前测量通透性有效的方法主要是依靠于暂态流诱导的松弛压。
The results indicate that the permeability of reservoir is the main factor for controlling edge water incursion. The moving rate of water front along the main riverbed is the fastest.
结果表明，渗透率是控制边水侵入的主要因素，边水侵入后沿主河道推进速度最快。
The analysis of example proves that the low permeability of interior zone will sharply reduce the maximum production rate.
实例分析证明，内区的低渗透率会急剧降低无阻流量。
The flow rate of reservoir crude depends on bottom-hole pressure, reservoir pressure, rock permeability, and the viscosity of the oil.
储集层里原油的流速取决于井底压力、油层压力、岩石渗透率和原油粘度。
Thee flow rate of reservoir crude depends on bottom-hole pressure, reservoir pressure, rock permeability, and the viscosity of the oil.
译：储集层里原油的流速取决于井底压力、油层压力、岩石渗透率和原油粘度。
This paper studies the purpose is to find a kind of efficient lies in the actual production of low permeability of feasible coal permeability gas drainage, thus improving the rate of new methods.
本论文研究的目的就是在于寻找一种高效率的，在实际生产中切实可行的提高低透气性煤层渗透率，从而提高瓦斯抽放率的新方法。
This paper studies the purpose is to find a kind of efficient lies in the actual production of low permeability of feasible coal permeability gas drainage, thus improving the rate of new methods.
本论文研究的目的就是在于寻找一种高效率的，在实际生产中切实可行的提高低透气性煤层渗透率，从而提高瓦斯抽放率的新方法。
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