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   油管载荷 的翻译结果: 查询用时:0.011秒
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油管载荷
相关语句
  tubing load
     Loading status of tubing in oilfields was mastered by doing lots of tubing load tests and analyses. And then the theoretical model about the limit load and the vibration of tubing has been constructed.
     通过大量的油管载荷测试分析,掌握了油管工作载荷情况,在此基础上,建立油管工作时极限载荷与振动情况的理论模型。
短句来源
  “油管载荷”译为未确定词的双语例句
     Analyses on load stress and strain of oil tube in pupming well
     抽油机井油管载荷及应力应变分析
短句来源
     To make clear the causes of tubing failure, the load on a tubing string is tested by means of a load sensor.
     为了探究抽油井油管断裂的原因和破坏机理,采用油管柱载荷传感器对悬挂和抽油状态下的油管载荷进行了测试。
短句来源
     In order to measure the load,stress and strain of oil tube,a device for measuring the load was developed,and a test bench for simulating the operation situation of tube was set up.
     将自制开发的新型载荷测试仪和模拟油管工况测试台 ,成功地用于油管载荷及应力应变的实测试验。
短句来源
     The elasto-plastic finite element method is u sed to compute the inner strain and stress field for the oil tube thread on the base of load spectrum and strain spectrum measured on site. Then the fatigue e xperiments concerned are completed to get the fatigue resistance.
     在实测油管载荷谱与应变谱的基础上应用弹塑性有限元法计算油管螺纹内的应力应变场 ,并进行了有关的疲劳实验 ,以得到油管的疲劳强度。
短句来源
  相似匹配句对
     THE STUDY OF LOAD IDENTIFICATION OF FUEL PRESSURE SIGNAL
     油管油压信号的载荷识别
短句来源
     STRUCTURAL DESIGN OF COILED TUBING INJECTOR ANDITS LOAD ANALYSIS
     连续油管注入器结构设计及载荷分析
短句来源
     The Tester for Equal Rate Loading
     等速载荷测量仪
短句来源
     thirdly, calculating the load;
     进行载荷计算;
短句来源
     Development of Coiled Tubing Technology
     连续油管的发展
短句来源
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  tubing load
Calculates both the tubing load below the stuffing box and the hook load.
      


To make clear the causes of tubing failure, the load on a tubing string is tested by means of a load sensor. The result of the test shows that, the torque on the tubing string is too small to be considered, while the values of the bendingstress in the tubing string are random, fairly large bending stress may be produced owing to the effect of the dogleg angle,tubing bending and operating technique. The stress values at various points on a same cross section are different fromeach other.

为了探究抽油井油管断裂的原因和破坏机理,采用油管柱载荷传感器对悬挂和抽油状态下的油管载荷进行了测试。根据测试结果分析可知,油管柱悬挂在井口及抽油过程中所受扭矩很小,可忽略不计;油管弯曲应力随机性很大,因受油井狗腿度、油管弯曲度和工人操作技术等影响,油管悬挂在井口有时会出现较大弯曲应力;油管受力复杂,在同一截面上各点的应力大小不同,既要考虑最大拉弯组合应力引起的油管破坏,还要考虑循环特征值较小时油管的疲劳问题。

In order to measure the load,stress and strain of oil tube,a device for measuring the load was developed,and a test bench for simulating the operation situation of tube was set up.Based on the experimental data,the stress and strain of oil tube were calculated by means of the finite element software ANSYS.The results show that the tube in pumping well is subjected to tensile_tensile fatigue load and situated in the condition of forced vibration with damping,which may be the basic factors resulting in the fatigue...

In order to measure the load,stress and strain of oil tube,a device for measuring the load was developed,and a test bench for simulating the operation situation of tube was set up.Based on the experimental data,the stress and strain of oil tube were calculated by means of the finite element software ANSYS.The results show that the tube in pumping well is subjected to tensile_tensile fatigue load and situated in the condition of forced vibration with damping,which may be the basic factors resulting in the fatigue fracture of tube.The most dangerous point is at the root of the first engaged tooth of a joint.Generally,the biggest values of stress and strain may exceed the yield limit.Though the stress and strain values are high,the elastic stress and strain amplitudes at the most dangerous points are low,so as the oil tube can go into service for a long time.When non_normal conditions appear,the biggest stress and strain would get into the strengthened phase,and the larger plastic strain amplitude will be produced under the action of a circulating load,which results in the fatigue fracture of oil tube.

将自制开发的新型载荷测试仪和模拟油管工况测试台 ,成功地用于油管载荷及应力应变的实测试验。在此基础上 ,应用大型有限元分析软件ANSYS ,对油管在各种工况下的应力和应变进行了计算。结果表明 ,抽油机井油管受到的是拉—拉疲劳载荷 ,处于有阻尼强迫振动状态 ,是油管产生疲劳断裂的基本条件。最危险点在接头的第一啮合齿的齿根处 ,最大应力应变值一般均超过屈服极限。在正常工况下 ,尽管危险点应力应变水平很高 ,但是仍处于低弹性应变幅循环状态下 ,所以油管能较长期地在井内服役 ;当发生非正常工况时 ,油管内的最大应力应变幅可能达到强化段 ,在循环载荷作用下会产生较大的塑性应变幅 ,就会发生油管的疲劳断裂

Fatigue fracture is one kind of oil tube failure. In t hi s paper, the fractures of oil tube (J55, 212 in) under cyclic loading are investigated by theory and experiment. Such kind of oil tube is wide ly used in the well of suckerrod. The elasto-plastic finite element method is u sed to compute the inner strain and stress field for the oil tube thread on the base of load spectrum and strain spectrum measured on site. Then the fatigue e xperiments concerned are completed to get the fatigue resistance. As...

Fatigue fracture is one kind of oil tube failure. In t hi s paper, the fractures of oil tube (J55, 212 in) under cyclic loading are investigated by theory and experiment. Such kind of oil tube is wide ly used in the well of suckerrod. The elasto-plastic finite element method is u sed to compute the inner strain and stress field for the oil tube thread on the base of load spectrum and strain spectrum measured on site. Then the fatigue e xperiments concerned are completed to get the fatigue resistance. As the root of the first engaged thread on oil tube bears the maximum stress and strain, the s tress may reach yield limit. The oil tubes often run in a condition of heavily s tress and strain level with low stress and strain amplitude. If the stress is la rge enough to make the material get in to its strengthen phase (the equivalent s train is more than 0.01 ε ), and the plastic strain amplitude surpass 4×10 -5 ε , fatigue fracture will occur.

疲劳断裂是油管失效的一种形式 ,本文针对抽油机井常用油管 (J5 5 ,2 1/ 2″)在循环载荷作用下的疲劳断裂问题进行了理论与实验研究。在实测油管载荷谱与应变谱的基础上应用弹塑性有限元法计算油管螺纹内的应力应变场 ,并进行了有关的疲劳实验 ,以得到油管的疲劳强度。油管内第一啮合齿齿根处应力应变最大 ,应力已经达到屈服阶段 ,油管是在高应力应变水平和低应力应变幅状态下工作。当油管内的应力应变进入强化段εeq >1 0 - 2 ε,塑性应变幅超过 4× 1 0 - 5ε时 ,油管就会发生疲劳断裂

 
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