Based on the multivariable random drilling model, the multi objective reliability optimization of deep well drilling parameters is presented.
在多元随机钻井模式理论的基础上，提出了深井钻井参数多目标可靠性优化方法。
Propagandists built up Wang Jinxi, one of the drilling foremen in the field's early days, into a model worker who did not hesitate to risk his life for the good of the people.
宣传机构把王进喜这一早期油田的钻井工人，塑造成为一个为了人民的利益可以毫不犹豫拿自己生命冒险的模范工人。
Cordless drill: a 12-volt model will handle most drilling tasks.
无绳钻头：一个12伏型号的将会处理大部分钻井任务。
Based on an analysis of the composition of drilling rig, characteristics of drilling process, and human features, a reliability model of man-machine control system for drilling process is established.
在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上，建立钻机钻进过程人机系统可靠性模型。
In this paper material supplies "Integration" management model innovation Study of oil drilling companies are under discussion.
本文探讨了石油钻井企业物资供应“一体化”管理模式的建立与应用。
This paper analyzed the practical situation of drilling string lateral vibration during drilling, established mechanical model.
文章针对钻井工程中钻柱横向振动的实际情况，建立力学模型。
A pressure predicting model is established by synthetically using the data of seism, well logging and well drilling in combination with statistical matching method and nonlinear inversion.
综合利用井中的地震、测井和钻井资料等，用统计拟合方法和非线性反演方法建立压力预测模型。
According to the theory of drilling hydraulics, prediction model for mud pump was established on the basis of ensuring minimum flow rate.
根据钻井水力学理论，在各井段最小排量确定的基础上，建立了泥浆泵泵压、泵功率预测模型。
The time section made by mathematically simulating a geologic model offered from drilling data conforms better with factual data.
根据钻井资料提供的地质模型，用数学方法进行模拟，所得的时间剖面和实际资料有较好的吻合。
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
Based on the mechanical model of single bit, drilling loads on the cutting head of tunneling machine are simulated by means of computer in this paper.
基于单个截齿的受力模型，对掘进机截割头钻进工况载荷进行了计算机模拟，为截割头的结构设计和参数优化提供了理论依据。
Compared the result of the simulate model with the experimental data that collected by the Lab. of Drilling Bit in Southwest Petroleum Institute, the model has been validated.
通过将仿真模型的计算结果与西南石油学院钻头研究室部分台架实验结果进行对比，验证了该仿真模型的正确性。
The paper introduces the establishment of calculating model for gas drilling and the programming of the applied software, and analyzes the model for gas drilling theory with field cases.
介绍了气体钻井计算模型的建立及其应用软件的编制，结合现场实践，对气体钻井理论模型进行了分析。
This paper described the structure, features, test results and application effect of the newly developed Model QFZ-22 portable drilling machine for outburst control.
介绍了新研制的QFZ—22轻便型防突钻机的结构、特点、试验情况及推广应用效果。
The mathematical model for evaluating sidetrack horizontal well drilling is developed by using the fuzzy mathematical theory and analytical hierarchic process.
针对侧钻水平井钻井的特点，应用模糊数学理论和层次分析方法，建立了侧钻水平井钻井综合评价模型。
A natural parameter model to forecast the direction of the actual borehole based on the local drilling database in practical situation is studied.
从水平定向钻进的工程实际出发，借助于现场钻进数据库，建立了自然参数模型，给出了相应的钻孔轨迹预测算法。
The dynamic model reveals the dynamic action of string, it is instructive to design new rock bit and study drilling mechanics.
通过研究得出了一套研究钻柱系统动力学模型及求解方法，对新形钻柱的设计和钻井力学的研究具有指导意义。
Through analysis on the study of drilling cost both at home and abroad, the main factors influencing the drilling cost have been found to guide to build up the forecast model on the drilling cost.
通过对国内外钻井成本研究的分析，寻找影响钻井作业成本的主要因素，可指导钻井作业成本预测模型的建立。
Establish the force model formula of drilling cuttings.
建立了钻屑颗粒的受力模型表达式。
Theoretical analysis and experiment show that the optimum vibration parameters and drilling parameters can be seeked at the different stages of the drilling process by proposed simulation model.
理论分析和实验表明：应用该仿真模型，能在振动钻削过程的不同区段寻找最优的振动参数和切削参数。
This model has been applied to predictions of the drilling results and the gas pool pressures in the drilled Wells in this area and has indicated in accordance with the facts.
利用这一模式对本区钻探井进行钻探效果和气藏压力预测，符合程度高。
So it is necessary to establish the mathematical model of optimization for drilling parameters, which agrees with the drilling conditions.
必须创建与钻井条件相适应的钻井参数优化数学模型。
Based on the nonlinear FEM, a mechanical model for PDM used in medium - and short-radius horizontal well drilling is established in this paper.
应用非线性有限元法，建立了中短半径水平井螺杆钻具力学模型。
The experimental animal model of perilymphatic fistula (PLF) was made by drilling a small hole in the skull and injecting artificial perilymph into the subarachnoid space in 50 Guinea pigs.
经颅骨钻孔，蛛网膜下腔注射加压，对50只健康豚鼠建立了外淋巴瘘(PLF)的实验动物模型。
Usually, drilling optimization problems are solved with a deterministic mathematical model in which indeterminate factors that may affect drilling performance are not taken into consideration.
通常钻井参数优化被认表达一个确定性优化问题，没有考虑其中的不确定性因素。
The finite model of the derrick and drilling platform connecting unit is built and the natural vibration frequency and the corresponding vibration mode of it are given here.
建立了该钻机井架与钻台结合体固有振动特性理论分析的有限元模型并给出了其固有振动频率结果和相应的主振型。
By methods of mathematical statistics, we use the multiple regression equation to establish critical value model. The model can be used to guide the drilling in Kuqa's piedmont configuration.
通过数理统计的方法，采用多元回归方程建立了压差卡钻压差临界值模型，此模型可以用于指导库车山前构造钻井施工。
The article introduced methods of drilling shaker dynamic measurement based on IVC, taking damping coefficient, natural frequency and vibration model as examples.
并以振动筛阻尼系数、固有频率和振型为例，介绍了基于智能控件化虚拟仪器技术的钻井振动筛动态特性检测方法。
And rock mechanical parameters are essential to the wellbore stability evaluation, so developing the model of rock mechanical parameters evaluation while drilling becomes core of the work.
岩石力学参数是随钻井眼稳定性评价的基础参数，所以，建立岩石力学参数随钻评价模型，成为此项工作的核心。
Based on the model of well-drilling layout with square grid, the model with non-uniformity grid is discussed.
在正方形网格钻井布局模型的基础上，讨论了非均匀网格定位模型。
应用推荐