当钻井平台下沉时，立管在顶部附近的地方断裂，同时另一端仍与底部的防喷器相连。
When the rig sank, the riser broke near the top while remaining attached to the blowout preventer at the bottom.
该公司的产品包括油田水下作业所用的管道和立管。
The company’s products include pipelines and risers used in underwater oil-field operations.
该公司的产品包括油田水下作业所用的管道和立管。
The company's products include pipelines and risers used in underwater oil-field operations.
立管内部核心是空心的(管中管)，留给钻柱使用。
The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.
在1.6英里的深度，组装好的立管重1,000吨。
一根立管对实现顺利循环至关重要。
指出了在供回水立管中间设置伸缩节存在的问题。
Points out problems in setting expansion joints for supply and return water risers.
海洋立管是海洋平台与海底井口间的主要连接件。
Marine risers are the main connecter between a platform and the mouth of a well in the seabed.
管内流体流动和管内外温差会降低立管的固有频率。
Natural frequency of the riser will decrease due to the internal fluid flowing and temperature differential.
人们谈到车架尺寸时，通常是按照立管尺寸来计算的。
When people speak of bicycle frame sizes, they generally speak in terms of the seat tube length.
海浪等随机载荷的作用可能使立管产生腐蚀疲劳破坏。
They may subject to corrosion fatigue damage owing to the effect of random load imposed upon by sea waves, etc.
防回流阀必须有所支撑，不能用于承载立管的全部重量。
The backflow preventer must be supported and is not designed to carry full weight of the stand pipe.
研究了钢悬链立管时域非线性动力分析用于疲劳寿命预估。
The time domain nonlinear dynamic analysis of a steel catenary riser was introduced for fatigue life prediction.
本文采用有限元方法研究凹陷立管的极限强度和疲劳寿命。
In this paper, finite element method was used to study the ultimate strength and fatigue life of dented riser.
在立管外面是一些软管和小管，用于回收合成泥浆和控制防喷器。
Outside the riser are several hoses and smaller pipes for recirculating the synthetic mud and controlling the blowout preventer.
立管：直径四英尺的钢管(称为“立管”)将船和钻孔连接起来。
Riser pipe: a four-foot-diameter steel pipe called a riser connects the ship to the borehole.
本文用匹配方法讨论定常流中细长立管所产生的应力边界层现象。
The present paper discuses, with the method of matched asymptotic expansions, the stress boundary layer of the slender riser in a steady flow.
探讨燃烧过程的强化和低脉冲立管式燃烧器的结构、试验及应用。
The intensification of combustion process is first discussed. Then, the structure, test and application of low-pulsating riser pipe burner are described.
该公司已把一根长而细的软管塞进断裂的立管里，但这只能抽吸微量漏油。
The company has managed to thread a long, thin tube into the broken pipe, but that is only drawing off a fraction of the flow.
固定式采油平台管道立管是联接海底管道与平台油气集输设备的重要环节。
The vertical pipes are the important links which connect sea-bedded pipelines to the oil gathering equipment of a stationary oil platform.
火焰式加热炉有两种基本类型：水平管箱式加热炉和立管圆筒形加热炉(图)。
Fired heaters come in two basic styles: horizontal-tube box - type heaters and vertical -tube cylindrical heaters Fig.
超细微气流粉碎机整机是由主机、电控柜、立管、收粉器、除尘装置、支架等组成。
Ultra-fine jet mill machine from the host, control cabinet, riser, closing with powder, dust removal devices, stents and other components.
对深水立管系统的可靠性断裂评估，应根据结构和环境情况，选取适当的评估方法。
For the reliability assessment, the appropriate methodology should be applied based on the offshore structures and environment situations.
考虑管内流动流体和管外海洋环境荷载共同作用，建立海洋立管侧向运动微分方程。
Considering the internal flowing fluid and the external environmental loads, the lateral vibration differential equation of a Marine riser is derived.
探讨了海冰强度、厚度等参数的变化对海冰作用下立管系统冰荷载使用系数的影响。
The effects of sea ice strength and thickness on the load utility coefficient of the riser system were discussed.
相对于频域动力分析，时域分析能更好的处理立管强非线性问题，其计算精度更高。
Comparing with frequency domain dynamic analysis, it's better and more accurate to solve the strong nonlinear problems of SCR in time domain.
雨水立管的汇水面积应结合是否安装雨水斗、是否设置天沟及斗前水深进行计算确定。
The water catchment area of rain leader shall be determined based on whether the rainwater hopper and gutter are set up, and the calculation of water depth before the rainwater hopper.
本文应用线性波理论，通过波浪叠加法，探讨了海洋平台油气生产立管系统的动力性质。
In this paper, linear wave theory and wave superposition method are used to study dynamic behavior of oil or gas production risers on the offshore platform.
本文应用线性波理论，通过波浪叠加法，探讨了海洋平台油气生产立管系统的动力性质。
In this paper, linear wave theory and wave superposition method are used to study dynamic behavior of oil or gas production risers on the offshore platform.
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