The water pressure test after adopting cement grouting proves, although the permeability of rock improves, it can not achieve the design requirement.
采用水泥灌浆后所做的压水试验证明，岩土的渗透性能虽然得到改善，但是达不到设计要求。
Nonsteady flow method is usually used to conduct water drive test for low permeability reservoir, but it is less accurate and cannot meet production need.
通常对于低渗储层进行水驱油测试采用非稳定流方法，但该测试方法准确性较差，不能满足生产要求。
It pointed out that, the water permeability test, the chloride permeability test and the air permeability test are suit for different situation and they can not be replaced each other.
认为水渗透性试验、氯化物渗透性试验、空气渗透性测试各适合于不同的场合和情况，不存在某一种强于另一种的问题。
The penetration law of a solution of calcium chloride, water glass and sodium succinate into dust is determined by the forward permeability test.
采用正向渗透试验方法测定了氯化钙和水玻璃溶液添加丁二酸钠后溶液在粉尘介质中的渗透规律。
Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied.
本课题主要研究混凝土在水压法及张力法试验条件下水在混凝土中的渗透行为以及同氯离子扩散系数相关性。
Therefore, water vapor permeability of flexible packaging material (or barrier) of the test of testing more and more important in the packaging.
因此，对软包装材料透气透湿性（或阻隔性）的测试研究在包装测试中越来越重要。
Methods: analgesic test with water bath, writhes induced by acetic acid, tickling induced by histamine and capillary permeability increase tests were applied.
方法：采用温浴甩尾法和扭体法镇痛试验、毛细血管通透性试验、组胺致瘙痒等药理模型。
Laboratory test shows that core plugging rate by using the agent is over 90%, recovered rate of permeability is over 85% after washing with water for a long period of time.
室内实验表明，该堵剂可使岩心堵塞率达到90%以上，用地层水长时间冲刷后，渗透率恢复值在85%以上。
The test results in different places and in many years showed that there was a striking increase, covered by water permeability plastic film in maize yields than conventional film and than no cover.
多年多点试验示范表明：渗水地膜覆盖玉米增产效果显著，主要表现为单株生产力的提高，在年均积温较小的地区增产幅度大。
The application of the technology in low permeability help us solve the difficult test problem such as polymer flooding; low inject quantity, serious pollute and water breakthrough.
该技术在低渗透油田的应用解决了注聚合物、低注入量、沾污严重及窜漏等疑难井的测试问题。
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。
It is well known that the change of the rock relative permeability will effect on oil and water flow in the formation, therefore, the change will greatly effect on the shape of well test curve.
地层岩石相对渗透率的变化会影响地层中油水的流动，因此对试井曲线形态的影响也很大。
IFCO BAT system is a set of in-situ test system, which can gain the pore water pressure of ground and in-situ permeability of soil quickly and accurately.
IFCO BAT系统是一套能快速、准确获取地基孔隙水压力和原位渗透系数的先进测试系统。
The data from conventional water pressure test is analyzed by using R/S method and the fractal dimension of rock mass permeability is obtained.
采用R/S分析方法对钻孔常规压水试验资料进行了分析，给出了能反映岩体透水性特征的分维数。
Water injection is always difficult in low permeability reservoirs, to improve the working degree of this reservoir, Wei42 14 well group was selected to conduct the nitrogen gas flooding pilot test.
低渗透油藏的注水往往存在很大困难，为提高此类油藏的动用程度，选择卫4 2 14井组实施了氮气驱先导试验。
Water injection is always difficult in low permeability reservoirs, to improve the working degree of this reservoir, Wei42 14 well group was selected to conduct the nitrogen gas flooding pilot test.
低渗透油藏的注水往往存在很大困难，为提高此类油藏的动用程度，选择卫4 2 14井组实施了氮气驱先导试验。
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