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作业井架
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  downhole derricks
     The Mechanical Behavior Analysis and Load Capacity Research for Downhole Derricks
     作业井架的力学行为分析与承载能力研究
短句来源
     The study of the ultimate load capacity for downhole derricks
     作业井架极限承载能力研究
短句来源
     In this paper,we take QJ30-18 downhole derricks as example,the ultimate load capacity of this type derricks have been studied by software ANSYS.
     以QJ30-18型作业井架为例,应用大型有限元分析软件ANSYS分析了该井架的极限承载力。
短句来源
     In oilfield, downhole derricks are the main part that bears the loads in the downhole operation hoist system.
     在油田起下油(气)井管柱的各种施工中,作业井架是主要的承力构件,井架的承载性能对井下各种施工作业产生直接影响。
短句来源
     Derrick guy wire as the special supporting member of downhole derricks, its performance has much impact on the mechanical behavior of derricks.
     绷绳作为作业井架的特殊支承构件,其工作特性对作业井架的力学行为有较大影响。
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  working derricks
     Ultimate pull bearing capacity of anchor pile on working derricks determined by mechanical impedance method
     用机械阻抗法确定作业井架地锚桩的极限承载力
短句来源
     It is very important to research and determine the ultimate bearing capacity of anchor pile to ensure the safety of downhole operation, which is used to fix the guy wires on working derricks in oil fields.
     由于油田井下作业井架为一两腿落地的空间钢架结构,需要用绷绳作支撑,所以用于固定油田井下作业井架绷绳的地锚桩,其抗拔极限承载力的研究与确定对保证井下作业安全至关重要。
短句来源
  workover derrick
     Test research and analysis on new type workover derrick by truck
     新型车载式作业井架静动态应力测试与分析
短句来源
  “作业井架”译为未确定词的双语例句
     TX Finite Element Analysis of Operating Derrick Carrying Block Pulley
     自携式作业井架的有限元分析
短句来源
     Research & Design for High-pressure Water Automatic Cleaning Technical Equipment for Oil Derrick(Well Repair Vehicle)
     高压水自动清洗作业井架(车)工艺装备研究与设计
短句来源
     Large analytical software ANSYS was used.
     结构分析采用ANSYS软件,建立作业井架的有限元分析模型。
短句来源
     Repair-well equipment、busywork derrick、slop pump in oil field are the key equipments of ensuring normal work, however, because of special circumstance of oil field, these equipments work in the open air all the year round, and endure pollution and erodibility ,such as wind blow、solarization、oil dirty、slop and so on, Which lead to bring many difficulties of checking and maintaining equipments without appropriate cleanout equipments.
     油田修井机、作业井架、泥浆泵、柴油机等是保障油田正常施工作业的关键设备,然而由于油田的特定环境,这些设备终年在野外条件下工作,长期经受风吹日晒和油垢、泥浆等污染和腐蚀,由于没有适用的清洗装备,给设备检测和维修带来极大的困难。
短句来源
     A kind of automatic cleaning technical equipment centered on the technology of a high-pressure water jet was introduced in the paper. It is used for automatic cleaning of such large-volume units as oil derrick(well repair vehicle).
     介绍了一种以高压水射流技术为核心技术的自动清洗工艺装备,用于实现对油田作业井架(车)等大型设备进行自动化清洗。
短句来源
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Abstract The deformation and stress in operating derrick carrying block pulley is discussed using finite element method.The stiffness and strength of the derrick is decided by hoisting capacity.Because of the need of hois ting operation,the derrick must be opened and closed at upper strata of the derrick,therefore,the stiffness and strength notable descends at upper strata.

对自携式作业井架进行了系统的有限元分析,得到决定井架刚度和强度状态的是井架工作状态的结论。由于井架工作空间的需要,上部前面必须开口,主腿需要收拢,使井架上部的强度和刚度大大下降。通过分析发现,该井架的设计是比较合理的。

Considering the advancement of technology and feasibility of economy, model TJ12/50A(B) wheeled tractor hoists were developed. Specially designed for the units, the monoblock type special chassi is driven by off the-road wheels and wide base tyres. Equipped with flexible transmission components-hydraulic torque converters and hydraulic gearshift boxes, the wheeled tractor hoists are also provided with masts.

从技术的先进性和经济的可行性出发,研制的TJ12/50A(B)型轮式通井机采用整体式专用底盘,辅以工程机械用转向桥和大轮胎,使整机具有良好的运移性和越野性;自携作业井架,减少了修井作业中的辅助配套设备,降低了劳动强度;采用柔性传动部件—液力变矩器和液力换档变速箱,使传动系统的可靠性大为提高。

It is very important to research and determine the ultimate bearing capacity of anchor pile to ensure the safety of downhole operation, which is used to fix the guy wires on working derricks in oil fields. The ultimate bearing capacity of anchor pile in downhole operation system is studied in this paper. Velocity signals of four kinds of oil pipe piles and a kind of cement pile under instantaneous impulsion are measured by using instantaneous impulsion method and variable time base technology. Based on analyzing...

It is very important to research and determine the ultimate bearing capacity of anchor pile to ensure the safety of downhole operation, which is used to fix the guy wires on working derricks in oil fields. The ultimate bearing capacity of anchor pile in downhole operation system is studied in this paper. Velocity signals of four kinds of oil pipe piles and a kind of cement pile under instantaneous impulsion are measured by using instantaneous impulsion method and variable time base technology. Based on analyzing variable time base transfer function, dynamic stiffness is gotten, and the ultimate bearing capacity is determined. The result shows that the ultimate bearing capacity of the cement piles is large enough to meet the requirement of the downhole operation fully, and the ultimate bearing capacities of the oil pipe piles of different sizes are different, and the oil pipe piles, which are longer than 2.5 meters in downhole operation are recommended.

由于油田井下作业井架为一两腿落地的空间钢架结构,需要用绷绳作支撑,所以用于固定油田井下作业井架绷绳的地锚桩,其抗拔极限承载力的研究与确定对保证井下作业安全至关重要。本文用机械阻抗法对井下作业系统中地锚桩的极限抗拔载荷进行了测试与研究。采用瞬态激励法,用变时基技术分别测试了4种规格尺寸的油管桩和一种规格尺寸的水泥桩在瞬态激励下的速度信号,进行变时基传函分析得出动刚度,确定了极限承载力。结果分析表明,在大庆油田粘性土使用条件下,水泥桩的极限抗拔拉力很大,完全可以满足井下作业需要;不同尺寸油管桩的极限抗拔拉力差异较大,井下作业时应使用2. 5m以上长度的油管桩。

 
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