高耸的井架点缀着油田的景色。
在一望无际的原野上散布着一座座井架。
Derricks are scattered here and there on the boundless plain.
被称为井架的永久性的塔，过去是为处理长距离钻探管道而建的。
Permanent towers, called derricks, used to be built to handle the long sections of drilling pipe.
我们就在那块地面上竖起一个井架。
此方法也可供海洋井架电算参考。
And all those give as well a reference to offshore derrick design.
带到井架上的工具应当绑在身上。
Tools carried into the derrick or mast should be secured to the body.
高耸的井架点缀着油田的景色。
减少了石油井架的搬运次数。
竖起的油井架向欢呼的人群中喷洒着银色的纸屑。
An oil derrick showered silver confetti on the whooping crowd.
当确定钻孔地点后，我们就在那里竖起一个井架。
When is has been decided where we are going to drill, we put up at the surface an oil derrick.
不许在井架上排放用不着的钻杆和钻铤。
Do not leave pipe or collars that are not in use standing in mast or derrick.
井架起来之后，把绞车前边的护罩装上。
Install the front drawworks guard cover after the mast is raised.
司钻和井架工必须用对讲机一直保持联系。
The driller and the derrick man must remain in constant radio contact.
井架压溃试验发现：井架破坏发生在井架上段；
The collapse test shows that the breakdown occurred on the upper portion the derrick.
服役多年的钻机井架常会出现局部杆件弯曲现象。
Drilling derrick that working many years often has the defect of bending bar.
井架的风载能力？
有时候会把钳尾绳装在井架大腿上，这种方法不可取。
Sometimes the tongs are snubbed to the derrick leg. This method should not be used.
根据可靠性理论基础，阐述了井架可靠度的基本概念。
On basis of the reliability theory, the basic concept of derrick reliability is expounded.
看着井架工或钻工的手势，司钻慢慢的把游车或顶驱挂住。
The driller slowly hangs off the traveling block or top drive in accordance with the derrickman's or floorman's signal.
为此，采用等价应力法对有初始变形的井架进行结构分析。
An equivalent stress method for the structural analysis of derrick with initial deformation is offered.
本文介绍了大型箱型钢结构井架的制作方法及质量控制要素。
The article describes the fabrication methods and quality control factors on Heavy Box-Type Steel Headframe.
以设计、研究为重点，介绍了陆地石油井架的电算准则和方法。
Putting stress on design and research, the author introduces the criteria and procedure for onshore derrick design.
与承载能力降低的同时，井架结构的应变参数也发生相应的变化。
Along with the lowering of the load capacity of the derrick, the strain parameters of the structure change accordingly.
当井架工在二层台工作时，司钻和井架工一定要能时刻保持联系。
The Driller and the Derrickman must be able to communicate at all times when the Derrickman is working on the derrick board.
计算实例表明，井架上作用的载荷与井架结构频率的平方三线性关系。
Example of calcural shows the load on the derrick is linear with square of the structural frequency of the derrick.
文章对井架总体稳定校核所用的计算公式及分析问题的方法和准则也作了介绍。
The formulas used for checking the integral stability of derrick and the method and criterion of analysing the problems arc also presented here.
以实测应变参数为主的静态应变测试法是目前对现役井架可靠性评估的主要方法。
Static strain testing method which tests mainly strain parameter is a main method of the derrick dependability assessment at present.
以实测应变参数为主的静态应变测试法是目前对现役井架可靠性评估的主要方法。
Static strain testing method which tests mainly strain parameter is a main method of the derrick dependability assessment at present.
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