The effect of hexachloroethane degasser pretreatment on porosity formation in ultrasonic ingot is investigated.
研究六氯乙烷脱气剂对超声波处理铸锭内气孔的影响。
A numerical analysis method is presented to simulate the shrinkage porosity formation in steel castings on the basis of heat flow, interdendritic fluid flow and possible evolution of dissolved gases.
提出了预测铸钢件中缩松缺陷的数值方法，考虑了传热、枝晶间液相流动和气体析出等因素。
The reservoirs in Baota Formation of Middle Ordovician in South Sichuan are characterized by low porosity and low permeability and belong to a fractured type.
川南地区中奥陶统宝塔组储层具低孔低渗特征，属裂缝性储集类型。
The morphology of austenite dendrites in shrinkage porosity in nodular iron is displayed by the color etching technique and the formation mechanism of shrinkage porosity has been analyzed.
采用着色腐蚀技术，金相显示了球墨铸铁缩松区中奥氏体枝晶组织形貌，分析了球铁缩松的形成机制。
Study indicates that the formation and evolution of the porosity are controlled by diagenesis.
研究表明：孔隙的形成和演化受成岩作用的控制。
The compactionand secondary enlargement of quartz lead to the great decrease of primary porosity of clastic rocks, and dissolution is contributed to the formation of secondary pore space.
压实作用和石英的次生加大使碎屑岩的原生孔隙度极大的降低，溶解作用是次生孔隙形成的主要因素。
Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.
该构造储层属三角洲前缘亚相的水下分流河道微相沉积，并存在由成岩作用形成的次生孔隙发育带。
This is attributable to the preservation of a part of the primary porosity in the rocks due to the formation of high porosity pressure.
这种现象产生的原因是保持了一部分原有孔隙度，而保持孔隙度的控制因素是形成高孔隙压力。
There is a certain functional relation between seismic interval velocity and formation porosity as well as residual porosity.
地震层速度与地层孔隙度、剩余孔隙度之间存在一定的函数关系。
Porosity is one of the most important factors which affects the performance of composites. The formation of porosity is closely related to the bubbles formed during the composite manufacturing.
孔隙是影响复合材料性能的重要因素之一，而孔隙的形成与复合材料制造过程中所产生的气泡密切相关。
The gas effect on porosity derived from acoustic formation factor formula should not be neglected.
本文通过考察天然气对声波地层因素公式求孔隙度的影响，表明这种影响是不可忽视的。
If fracture porosity is 2%, it was derived from the simulation result that using high-resistivity mud (500 Q -m) can identify shale fractured formation which includes 750 fractures or more.
由模拟的结果得出当裂缝孔隙度为2%时，用高电阻率泥浆(500欧姆·米)可识别含有750条缝的微裂缝泥岩地层。
In highly-deviated Wells and horizontal Wells, if physical property data fail to be measured in completion, casing compensated neutron data can be used to calculate the formation porosity.
在大斜度井、水平井中如果完井没有测到物性资料可以用套管补偿中子计算地层孔隙度。
The influence of chemical composition, inoculation process, temperature of molten iron and pouring system on the formation of shrinkage cavity and porosity was described.
叙述化学成分、孕育工艺、铁液温度及浇注系统等因素对薄壁球铁铸件缩孔和缩松形成的影响。
The Cretaceous low resistivity reservoir in Junggar basin is characterized by high porosity, high permeability, low salinity of formation water, low formation pressure and low resistivity.
准噶尔盆地白垩系油气藏具有孔隙度、渗透率高，地层水矿化度、压力系数和电阻率低等低电阻率油气藏的基本特征。
So that a large amount of low-mature oil was generated and subsequently migrated into sandstone belt with first secondary porosity created by the formation water released from clays.
这样，大量低成熟石油能够生成，并随着粘土释放出的层间水运移到砂岩的第一次生孔隙密集在中。
Different porosity reading on the neutron porosity log for the same formation due to gas in the pore space.
由于孔隙空间存在着气体，同一地层的中子孔隙度测井和密度孔隙度读数不同。
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。
By the Monte Carlo method, the changes of detector tallies in formation radial, longitudinal direction and space has been simulated for the formation of water saturated limestone with 20% porosity.
针对20%孔隙度饱和水的石灰岩地层，应用蒙特卡罗方法模拟了探测器计数在地层径向、纵向和空间上的变化，进而模拟得到不同源距处探测器计数随地层径向深度变化的关系曲线。
The effect of processing parameters on porosity and the modeling of coating formation are introduced.
介绍了喷涂工艺参数对孔隙率影响及涂层形成过程的数值模拟。
It is found that the oil effective permeability of low middle porous sandstone is related with the porosity, water saturation and shale volume of formation.
研究发现，油的有效渗透率与中低孔隙性储层的孔隙度、含水饱和度及泥质含量有关。
The formation of Dachigan steep structural zone not only generates many fissures in Upper Carboniferous, but also makes the porosity of Upper Carboniferous higher in the core of these anticlines.
大池干井构造带的形成不仅在石炭系内形成了众多的裂缝，而且使背斜核部的孔隙度增高。
The log is made from resistivity, density, neutron, and sonic log data and shows porosity, secondary porosity, grain density, fluid analysis, water saturation, and formation analysis.
其资料来源于电阻率测井、密度测井、中子测井和声波测井。计算结果包括孔隙度、次生孔隙度、颗粒密度、流体分析、含水饱和度以及地层分析。
The oil-bearing formation of Yan 2 block of Benbutu oil field is Jurassic Sangong River group, which is low porosity and low permeability.
本布图油田投入开发的焉2区块，含油层位为侏罗系三工河组，属低孔低渗储层。
Porosity determined from shear moveout had the advantage of less influence on computation result by pore fluid, especially the advantage was obvious when gas was saturated in formation.
利用横波计算地层孔隙度具有计算结果受孔隙流体影响小的优点，特别是在地层含气的情况下，优势更加明显。
Compact rock formation formed a available reservoir with effective porosity and permeability because there are a many of fractures in it.
致密岩层中由于大量裂缝存在形成了具有有效孔隙度和渗透率的储层。
Gas reservoir in Xujiahe Section 2 in west Sichuan are low porosity, low permeability, deep, high formation pore and fracture pressure, etc.
川西须家河组2段气藏属于低渗低孔致密深层气藏，地层压力和破裂压力高。
The lowest formation porosity pressure factor to affect the quality of well cementing is 1.46.
影响固井质量的最低地层孔隙压力因数为146。
The lowest formation porosity pressure factor to affect the quality of well cementing is 1.46.
影响固井质量的最低地层孔隙压力因数为146。
应用推荐