It is necessary that drilling vessel is capable of standing still under the action of ocean current wave surge tropical storm and internal wave current in winter.
在冬季的洋流、涌浪以及热带风暴和内波流作用下钻井船有能力保持位置不动是很有必要的。
Drilling riser in deepwater, which was often acted on by extreme load of wave and current, was analyzed by ANSYS.
应用ANSYS软件对波流极值载荷作用下的深水钻井隔水管进行了非线性分析。
This paper presents the calculation method of external loadings for offshore drilling platforms induced by gravity, buoyancy, wind, wave, current and seismic force, and relative computer programs.
本文介绍了海上钻井平台由重力、浮力、风、波浪、潮流及地震力引起的外载荷计算方法，并编制了相应的计算程序。
The heave motion of drilling platforms is caused by the wave.
由于海浪的作用，钻井平台会产生升沉运动。
The combined application of drilling and electromagnetic wave CT method may eliminate the probability of potential disaster during engineering survey in Karst region.
在岩溶发育地区进行工程勘察，采用常规钻探与电磁波法CT成像相结合的方法，可消除工程隐患。
Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area.
由于几何光学法求解钻头震源波动方程的高频近似解有局限性，即在焦散区失效，故只能计算非焦散区的高频近似解。
In this paper, based on the theory of percussive drilling, the following optimum design of hydraulic rock drills are studied with the application of wave mechanics.
本论文在冲击凿岩的理论基础上，应用波动力学理论，研究了冲击凿岩系统优化设计中的一些问题。
Real time informations of Marine conditions, such as wave height, direction and period to beach protection and the actions on the sea, drilling platform or ship, are very important.
海洋状态的实时信息，象海浪波高、方向和周期对于海岸保护、离岸海上活动，象钻井平台或船只都具有重要的意义。
To solve unknown coefficients (namely physical parameters) of wave. equation can help people find out the stratum containing oil, gas or coal, and point out the correct position for drilling the well.
求解出波动方程中的未知系数(即物性参数)，可以帮助人们发现含油气层或煤层，为钻井提供正确的井位。
The system consists of microcomputer and transient wave converter etc For the measurement of working parameters of drilling machine such as impact energy or frequency, stroke and pressure.
本研究系采用微型计算机、波形存贮器等技术装备组成了凿岩机械冲击能、冲击频率、行程、压力等工作参数的微机测试系统。
Air drilling will bring an important play with the improvement of the electromagnetic wave MWD, air motor and other underbalanced drilling equipments.
随着电磁波mwd、空气钻井马达的普及和各种设备的不断完善，空气钻井技术将发挥越来越重要的作用。
The impact factors of vertical resolution and detection of electromagnetic wave logging while drilling was analyzed.
利用响应原理分析了随钻电磁波测井的纵向分辨率及探测深度的影响因素。
The impact factors of vertical resolution and detection of electromagnetic wave logging while drilling was analyzed.
利用响应原理分析了随钻电磁波测井的纵向分辨率及探测深度的影响因素。
应用推荐