tieback

new liner tieback cementing technology in high - pressure gas - oil wells

高压油气井尾管回接固井新技术

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how to protect the integrity of the rocks around the tunnel tieback is a crucial construction control point.

如何保护隧道式锚碇周围围岩的完整性是一项很关键的施工控制要点。

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casing tieback is a special technology usually used in offshore drilling.

套管回接技术为海洋石油钻井工程的一项特殊钻井工艺技术。

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in this paper, design methods of over 15 meter height reinforced earth structures are researched based on the measure in full-scale test, and the simplified failure plane is presented for reinforced earth structure with tieback breast beams.

本文通过对实际工程的力学测试分析，探讨了15米以上加筋土构筑物的设计方法，并提出了一个具有锚定系胸墙的加筋土简化破裂面。

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monitoring of tieback prestress at dongfang square, beijing

北京东方广场锚杆预应力监测

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experimental study on mechanism of pull-out resistance of belled tieback

扩底土锚抗拔承载机理的试验研究

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application and innovation of subsea wellhead tieback technology in marginal oilfield development

水下井口回接工艺在边际油田开发中的应用及改进

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e. because the serious casing wear problem was always encountered in the process of operating, through the patching, tieback and replacement of the casing and protecting the casing against wear, it was ensured to run the 244 mm casing to the designed setting depth;

在施工过程中遇到了严重的套管磨损问题，通过修补回接更换部分套管和对套管进行保护，保证了244mm套管下到设计井深；

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new liner tieback cementing technology in high-pressure gas-oil wells

高压油气井尾管回接固井新技术

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application of self-boring tieback in consolidation

自钻式锚杆加固的应用

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main tieback stem is protected by injecting ethylene glycol into wellhead.

回接主管道通过在井口注入乙二醇进行保护。

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the independence project is a world-class subsea tieback development of 10 natural gas fields in the ultra-deepwater of the gulf of mexico.

独立项目是在墨西哥湾超深水区对10个天然气田进行的世界级海底回接开发项目。

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the monitoring of tieback prestress and its existing problems are discussed for foundation pit protection at dongfang square, beijing, and the problems in the tensile, such as the loss of prestress, bias in loading, are explained.

对北京东方广场基坑支护中锚杆预应力的监测及其所出现的问题进行了分析，说明张拉过程中所存在的问题（预应力损失、偏心荷载等）。

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the tie-back assembly is a special cementing tool for tieback operation.

与回接筒配套用于回接尾管的一种专用固井工具。

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design and mechanical analysis of multilateral well tieback and deflector equipments

分支井回接重入装置设计及力学分析

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this paper introduces the procedure, mechanism and operation of wellhead tieback techniques and points out the problems necessary to be solved.

本文介绍了井口回接作业的程序、机理、作业施工情况，并指出了需改进的地方。

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application of prestress tieback and concrete wall in the foundation pit excavation

预应力锚板墙支护技术在深基坑开挖中的应用

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