7=mm production casing was set to the depth of 4854.
７ｍｍ油层套管下深４８５４。
In order to prevent perforation cracking of production casing, a toughness safety criterion must be set up besides the study of perforation bullet, perforation technology and the material property of production casing.
为解决油层套管射孔开裂问题，除应对射孔弹、射孔工艺以及油层套管的材质进行研究外，还应建立油层套管射孔开裂的安全韧性判据。
The load applied on oil layer casing during the perforation operation has been analyzed.
对油层套管在射孔作业时的受力状态进行了分析,用简化的断裂力学模型来描述复杂的射孔开裂问题,即:射孔开裂是由于射孔局部冲击力产生的孔眼尺寸的穿透裂纹在内压力产生的应力作用下沿轴向产生脆性扩展。
The perforation test has been done on the casing of J55, N80, P110 and TP65 (φ139.
7mm)油层套管在中国石油天然气集团公司油气田射孔器材质量监督检验中心进行了模拟井条件下的射孔试验。
According to visual examination, chemical analysis,metallographic examination,mechanical inspection,scanning electron microscope examination and facture mechanics analysis of the failed N80(1) oil casing,the main reason for the failure of pipe is the combination of bad metallic phase,non-homogeneous chemical constitution and poor impact ductility.
通过化学成分和金相分析、宏观和微观断口形貌观察、力学性能测试及相关的理论计算对断裂的N80(1)石油套管进行失效分析,结果表明:N80(1)石油套管断裂是由于套管材质的组织韧性较差、化学成分分布不均和冲击韧性过低等因素造成的。
Non quenched and tempered N80 oil casings of high quality have been produced on existing 180 production line at Baotou Iron and Steel(Group) Co.
针对用34Mn2VN钢生产非调质N80级石油套管冲击韧性偏低的问题,在动态相变规律研究的基础上进行了不同轧制工艺参数的热模拟实验,分析了工艺参数对34Mn2VN钢组织演变规律及冲击韧性的影响。
When the K55 grade oil casing lathed thread,the thread flawed.
K55钢级石油套管在车丝的过程中,出现断扣问题。
Apply CAE to the optimum design of petroleum casing pipe;
CAE技术在石油套管设计中的应用
In view of the trial-production of J55 hot-rolled coiled sheet for petroleum casing pipe,rolling process control and comprehensive quality of the products were analyzed.
针对J55石油套管热轧板卷的试制情况,重点从轧制过程控制、产品实物质量进行了分析。
Development of hydrostatic testing system of tubing and casing
油套管静水压检测系统的研制
With the exploitation of high sulfur gas fields, the working environment of tubing and casing gets worse and more com-plicated.
随着高含硫油气田的开发,油套管的工作环境也趋于恶劣和复杂。
Study on Analysis of Collapse Resistance and Prevention of Casing Damage in Perforating Interval;
油井套管抗挤能力分析及如何防止油层套管损坏
Application of cased-hole reservoir parameter logging to Laojunmiao oilfield.
套管井储层参数测井资料在老君庙油田的应用
Application Research on Formation Testing Technologies for Cased Wells in Tuha "Three Low" Oilfields
吐哈“三低”油田套管井地层测试技术应用研究
Mechanics model for interaction between creep formation and oil well casing
蠕变地层与油井套管相互作用力学模型
tubing-casing annulus
油套-套管环形空间
Thickness Prediction of Rare Earth Chromizing Coatings on P110 Oil Casing Tube Steel Based on Artificial Neural Network
人工神经网络方法预测P110油套管钢稀土渗铬层的厚度
casing oil saver
套管顶部临时出油装置
d-drogue-type tanker
探管锥套式空中加油机
Matching Technologies Has Formed for Special Lithology Formation Transformation.;
特殊岩性油藏油层改造配套工艺技术
Tubing is used to extracting petroleum and natural gas from a well.
油套管用于油井中抽取石油或天然气。
surface hole drilling
钻下表层套管的井眼
The Casing Condition Logging and the Study of the Method to Detect the Casing Stress;
油田套管状况测井及套管应力检测方法研究
Fill up with mud every 5 joints of casing when running surface casing.
下表层套管时，每5根套管灌满一次泥浆。
Study on casing load in a casing-stratum system by elastoplastic theory
套管-地层系统套管载荷的弹塑性理论分析
Protective coverings for electric cables-Specific protective coverings for oil-filled cables with lead sheath
GB/T2952.4-1989电缆外护层铅套充油电缆特种外护层
casing-actuated intermitter
套管控制的间歇抽油装置；套管控制的间歇出油井
Implementation of Automatic Monitoring and Controlling System for Pipe-Type Pump s Cylinder Assembly;
管式抽油泵油管缸套装配自动监控系统的研制
A new ISO collapse-resistance model of casing and tubing in oil and gas wells
对油气井油管、套管ISO新抗挤模型的研究