drill string的例句大全

The results of research in this article would provide a theoretical and arithmetic method for the fluid-structure interaction analysis of the rotary slender shaft, the stirring shaft in the chemical engineering machinery and the rod string and drill string in the oil drilling and production engineering.

本文研究成果可为化工机械中的细长旋转轴和搅拌轴、石油钻采工程中的抽油杆柱和钻柱的固液耦合分析提供了理论基础和计算方法。

Analysis of Buoyant Force and Calculation of Axial Force of Drill String

钻柱的浮力分析及轴力计算

In the paper, Based on the theory of compound crack and fracture mechanics and surface liner cracks of drill string often occurring in process of production and application, a fatigue life model of drill string under the interaction of torsion and axial vibration is established.

根据复合型裂纹扩展理论和断裂力学方法，以及钻柱在生产和应用中的表面线性裂纹现象，提出了钻柱在扭转、纵向振动下的疲劳寿命计算模型。

It is an inside BOP ( blowout preventer) in the drill string.

投入式止回阀是钻柱内防喷器。

The force analysis of the drill string is carried out to obtain the calculation formulas of its axial stress, bending stress, torsion stress, radial stress, circumferential stress and additional shearing stress.

通过钻柱受力分析，给出钻柱轴向应力、弯曲应力、扭转应力、径向和周向应力，以及附加剪应力的计算公式。

Gap element method for frictional resistance analysis of whole drill string in prospecting horizontal well

探井水平井整体钻柱摩阻力分析的间隙元法

Although the structure of drill string seems simple, it bears rather complicated outside force.

虽然钻杆柱在结构上看似较为简单，但实际上，它承受着相当复杂的外力。

Analyzing the stability of horizontal drill string by using matrix transfer method

用矩阵传递法分析水平钻柱的稳定性

Drill string vibration was analyzed based on vibration theory and finite element method.

根据振动理论和有限元方法，研究了钻柱振动的模态。

Computer Simulation of Drill String, Bit and Rock System

钻柱、钻头与岩石系统计算机仿真

The Acquisition System For Drill String Vibration Signals And The Spectrum Analysis

钻柱振动信号采集系统及谱分析

Study on measurement system for dynamic characteristics of drill string's bottom

钻柱近钻头力学特性测量系统功能研究

The Application of Analytical Technology for Drill String Stress Wave Spectral

钻柱应力波频谱分析技术的应用

Calculation and analysis of fatigue strength of drill string in deep well

深井钻柱疲劳强度计算与分析

Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling

气体钻井钻柱动力学特性及钻柱失效机理研究

Drill string design of drilling complex formations and its application technique study

复杂地层钻井的钻柱设计及使用技术研究

Study on Information and Power Transmission Based on An Intelligent Drill String

智能钻柱信息及电力传输系统的研究

The definition of two special points of drill string and calculation methods

弹性钻柱两个特殊点的意义及计算方法

Rule and Application about Drill String Vibration of Extend Reach Well

大位移井钻柱振动规律及其应用

Practice has proved that, Ansys drill string torsional vibration analysis results really have higher economic value, significant effect, and can improve the quality of engineering greatly.

实践证明，Ansys钻杆柱扭转振动分析成果具有较高的经济价值，极大地提高了钻探工程的质量，效果显著。