In view of acoustic log of thin bed, a thick bed clipping thin bed model of constant well diameter was designed.
针对声波测井中的薄层问题,设计了井径不变情况下的厚层夹薄层模型。
We got a chance to look closer at the interesting finding… They are approximately of the same size - about one meter in the diameter and in the height as well.
现在,我们有机会与这个有趣的发现进行近距离的接触……它们都近似于同一型号——直径、高度均有一米左右。
Other designs have a circular cutout in the middle that corresponds to the diameter of the pipe in the hole to seal the well when pipe is in the hole.
其它类型的设计则在中间有一个圆形的剪切块,使其适合井眼内管柱的直径以便当管柱位于井眼内时能够密封井眼。
Images of the Apollo 11 landing site taken by LRO clearly show where the descent stage (about 12 feet in diameter) was left behind, as well as the astronauts' tracks and equipment deployed.
LRO拍摄的阿波罗十一号登陆点照片很清晰的显示出其留下的登陆台(直径约4米),同时还能看到宇航员的脚印和放置的设备。
Relationship of heat transfer rate and filling rate is obtained, as well as the relationship of velocity and inner diameter, filling rate.
最后,对脉动热管的传热规律作了初步分析,得出了传热性能与充液率的关系,以及运行速度与管径,充液率的关系。
And then workout the computational programme to identify the salt rock rheological models and mechanical property inversion, well hole diameter shrinking rule.
编制了盐岩流变模型辨识及力学参数反演、井眼缩径规律的计算程序。
With the increase of relative humidity, both length and diameter of vessel element increased, as well as the frequency of rays.
随着空气相对湿度的增加,导管分子长度和直径均增大,射线频率减小。
The perforation diameter, speed as well as the power supply required are closely related to physical and mechanical properties of soil stratum.
它的穿孔直径和穿孔速度所需动力都与土层的各种物理力学参数有密切关系。
Only Einstein formula performs well if all formulae are used with their own representative diameter.
当采用各自定义的代表粒径时,只有爱因斯坦公式能适用。
The results show that carbon nanotubes grown on porous silicon substrate are well aligned with uniform diameter and dispersed distribution.
结果表明,以多孔硅为衬底生长的碳纳米管管径均匀且离散分布,定向性良好。
It is deemed that choice of well screen 's diameter and length of a water well according to the inflow velocity to the well as did by some professional agencies traditionally is not reasonable.
本文根据实践与测试认为,供水管井过滤器直径、长度的确定,按“入井流速”计算不合理。
As for the selection of throttle orifice, methods for calculating the number of orifice stages, pressure difference and orifice diameter are described as well.
介绍了选择节流孔板的计算方法,包括节流孔板级数、压力差和孔径的计算。
The author describes the function, type and components of this system, as well as the calculations of pipe diameter of the system.
本文重点介绍了透气系统的功能、型式和组成,并详细阐述了系统中管路管径的计算顺序和方法;
In smooth boreholes of constant diameter, the effect of the borehole is well understood and can be corrected for.
在井径不变、井壁光滑的井中测井,井眼影响容易校正。
The formula calculating the equivalent diameter of torsional stiffness for domestic turbogenerator rotor is presented, and the modelling of some special structures on the rotor is discussed as well.
针对国产发电机的具体特点,本文首次给出了计算大型发电机转子本体部分扭转等效直径的公式,此外,还对转子上其他一些结构的模化作了探讨。
Therefore, we can reduce the effect of frictional loss in the wellbore by drilling well with larger diameter or producing with small production rate.
因此,可以通过钻较大直径的井眼或控制井以小产量生产来减小井筒压降损失的影响。
The evaluation factors included the diameter and diameter fluctuation of nugget, the depth of dent, and the appearance of nugget as well as the weighing of each factor was assigned.
取焊点直径、焊点直径波动、压痕深度及焊点外观为评判因素集,并制定了各因素的权重分配集。
This paper expounds the direct embed construction of heat input pipe with big diameter, and its constructing method and quality control in the rebuilding of urban pipe network as well.
论述了大管径供热管道直埋施工,在城市管网改造中的施工方法和质量控制。
The correlations between dispersing phase mean diameter and water addition rate, emulsified agent and fabrication parameters were given by the experiments as well.
实验也给出了分散相的平均直径与掺水率、添加剂用量和制备参数的关系。
T he relation of the four parameters with initial slab thickness, initial slab width, width reduction and edger roll diameter was obtained and a new mathematical model was accomplished as well.
得出表征立轧时轧件断面特征的四个参量与侧压量、立辊直径、板坯来料厚度及宽度间的关系,并建立了新的数学模型。
The population diameter structure can well be described by using nonparametric kernel method based on the sample data without assuming the population diameter distribution.
应用非参数核密度估计方法,可以由样本直径结构很好地描述总体直径结构,而无需假定总体的直径分布。
Drilled formations are complex with unstable wall. Lost circulation, well kick, borehole collapse, diameter shrinkage, sticking and other complex situations often occur.
钻遇地层复杂,井壁稳定性差,井漏、井涌、井塌、缩径、卡钻等井下复杂情况频发;
The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field.
结合丰城矿区高地应力、合顶板等复杂地质条件,研究深井条件下煤巷锚索采用小孔径、加高预应力的结构形式和施工工艺。
This problem can be resolved by using submerged well method for constructing big diameter water sources well.
采用沉井法施工大口径水源井可解决施工用淡水的问题。
The large diameter tube well is an effective way for supplying domestic water with good water quality, large water volume, and cyclical recharge.
大口径管井取水水质好,水量大,能得到周期性补给,是解决生活用水的有效途径。
The difference in the caliper-measured diameter of the well and the bit size.
指井径仪测量的井眼直径与钻头尺寸之差。
Taking the geological condition in the harbour district Jingtang Port as the model, the detail analysis on lowering water level by large diameter well point are given in the paper.
以京唐港地区地质条件为模型,对大口径井点降水进行了详细的分析,对大口径井点降水在实际工程应用具有理论参考价值。
This paper studies systematically the effects of wellbore diameter, wellbore trace, horizontal section length and eccentricity on production of horizontal well.
系统分析了水平井井眼尺寸、井眼轨迹、水平井水平段长度和偏心距对水平井产量造成的影响。
The necessary craft is carried on the essential research design according to the need of the craft of the polymer distributor of the minor diameter of well.
配套工艺根据小直径聚合物配注器工艺上的需要进行必要的研究设计。
On the basis of regression analysis, the relationship between wave parameters and wave force as well as moment acting on the large diameter cylinder structure is given.
基于回归分析,考虑淹没、越浪、波陡、相对水深和相对筒径等的影响,给出了作用在大圆筒上的波浪力和波浪力矩的计算公式,可用于工程实践。
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