射孔酸的组成取决于地层特性和所用的井下设备。
Formulation of the perforating acid depends on the characteristics of the formation and the downhole equipment used.
引入了一种改进的BP算法，用于由测井资料识别地层特性。
An improved BP algorithm is used to identify formation characteristics.
根据穿越处地貌及地层特性决定将努比亚砂岩作为定向钻穿越的围岩。
Based on the features of geomorphology and strata in the crossing area, the Nubia sandstone is selected to be the surrounding rock.
通过对抽水孔、观测孔压降曲线的分析对比，计算出能够代表地层特性的参数。
Through analyses and comparisons of depression curves parameters which may represent the behaviours of stratum are obtained.
然后由模板曲线和拟合曲线段的渐缩线特征搜索出拟合曲线段在模板曲线上的对应段，由此求得相应的地层特性参数。
And the corresponding curve segments are found from asymptotic features between template curves and approximate curves. The parameters are given from this curve segments.
透过本研究创建的两组类神经网络为主架构，可经由灰关联分析所选定之特定电测资科做为类神经网络的输入值，预测地层特性参数。
The neural network we have built can be used to integrate and analyze the different kinds of well logging data to obtain the formation parameters in particular depth.
因此，进行限流压裂设计必须综合考虑炮眼个数、地层特性等因素对限流压裂施工的裂缝几何参数的影响，以准确预测各层裂缝几何参数和改造程度。
Therefore, the number of perforation and the formation properties should be considered in designing the limited entry fracturing for better estimation of the fracture parameters and the improvements.
提出了一种既考虑地层的多种岩石力学特性又考虑钻头经济效益的具有通用性的钻头选型方法。
A universal method of bit selection was presented in consideration of the rock mechanics properties of formation and economic benefits of the bit.
地层渗透率是岩石孔隙特性的综合反映。
The reservoir permeability is a comprehensive function of rock pore properties.
人工地震采油技术可以有效地改善地层流体的流动特性，提高原油采收率。
Artificial seismic production technique can efficiently improve flowing characteristics of formation fluids and then improve oil recovery factor.
介绍大连港403集装箱堆场工程软基的地层结构特性，以及地基处理所采取的措施。
The stratigraphic structural characteristics of soft foundation of Dalian Port 403 Container Yard Project and measures taken for foundation treatment are introduced.
本文用模型实验研究了声波在致密碳酸盐岩地层井中的传播特性。
The propagation characteristic of acoustic wave in borehole that penetrates compact carbonate formation is analysed by doing model experiment.
本文在分析地震反射波勘探信号时频分布特性的基础上提出了基于短时傅里叶变换的地层吸收补偿方法。
Stratigraphic absorption compensation based on short-time Fourier transform has been developed by analysing the time-frequency distribution characteristics of seismic reflection signals.
研究了地层的蠕变特性对油水井套管载荷的影响。
This paper discusses influences of formation creep features on the casing load of producers and injectors.
从测井曲线外形上看，对应同一地层的不同测井曲线之间，以及同一条测井曲线的不同部分，分别具有相似的特性。
From the appearance of logging curves, the different logs corresponding to the same stratum and the different parts of the same logging curve have the similar characteristics respectively.
深井钻井作业量的逐步增加，岩石三轴抗压强度的预测模型将成为衡量地层强度特性的重要参数之一。
With the deeper drilling operation increased gradually, the triaxial compressive strength model will become one of important parameters to measure the formation strength characteristics.
如果在地层中含有顺磁性物质，则地层的核磁弛豫特性呈现新的变化特征。
The nuclear magnetic relaxation characteristics of formations will change if there are paramagnetic materials in the formations.
根据地层岩石特性及钻头与地层的相互作用关系，完成井眼轨迹控制方法。
Completing control method of well path due to the rock characters and the interaction between bit and formation.
本文用“不连续地层”这个术语，来概括表示不连续特性较强的地层。
The terminology "discontinuous formation" is used in this paper to indicate the formations which have too many fractures or so.
本文从九龙山构造的地质特征、地层岩性力学特性研究出发，优化了九龙山构造深井的井身结构。
This article started from the geological feature and the characteristics of formation lithology mechanics of the Jiulongshan and optimized the deep well casing programs.
根据岩土介质中复杂的地质现象及其地层的层状展铺特性，建立了三维地层模型。
According to the complex geological phenomena in rock and soil medium and the features of strata, a three dimensional strata model is established.
人们对现代表层土壤入渗特性的研究较多，对黄土地层的垂向入渗规律和含水条件方面研究较少。
People has done many researches on the infiltration characteristics of modern surface soil, however vertical strata and water infiltration conditions of loess are rarely done.
地层岩石的抗钻特性预测和钻头的个性化设计是现代钻井工程中非常重要的研究领域。
The prediction of formation anti-drilling properties and the personalized design of PDC bit is an very important research area in the modern drilling project.
稠油在地层中的流动具有非牛顿流体特性。
When flowing in the formation heavy oil always reveals non-Newton rheological behavior.
重点介绍了松散地层不同地层泥浆特性、配比及护壁效果、措施。
The features and proportions of slurry and effect of borehole wall protection in different loose strata were mainly introduced.
以荆竹岭隧道为工程背景，通过分析石膏地层的工程特性，详细介绍了荆竹岭隧道石膏地层的施工技术。
Based on the engineering background of Jingzhuling tunnel, by studying the characters of anhydrite, this paper describes the tunnel construction technology in anhydrite stratum in detail.
据说，该设备的输出端还提供了大量低频信号，这些低频信号可用于判定岩石特性以及更深的目地层的成像。
The output also is said to offer a larger volume of the low-frequency signals needed for determining rock properties and imaging deeper targets.
工程实例的计算表明，利用该模型可以得到管涌通道的渗透流速，评价地层的渗漏特性。
Verified by an example, the model can be used to get the leakage velocity of piping passage and estimate the permeability of strata.
各向异性地层理论指出，地层的自然造斜能力是由地层的各向异性特性引起的。
The theory of anisotropic formations shows that the natural deviation deponds on anisotropic character. This paper describes the effect on the well path by anisotropic strata.
各向异性地层理论指出，地层的自然造斜能力是由地层的各向异性特性引起的。
The theory of anisotropic formations shows that the natural deviation deponds on anisotropic character. This paper describes the effect on the well path by anisotropic strata.
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