Analysis on the load bearing capacity of tubes inside slips is very important for the design of well casing string, especially for that of deep well and super deep well.

分析卡瓦内悬挂管柱的承载能力，对油井特别是深井和超深井的套管柱设计十分重要。

Oil and water well casing damage in oil fields is a very difficult technology problem during petroleum development.

油田油水井套管损坏是石油开发中遇到的一大技术难题。

The mechanism of casing failure is analyzed in detail, the diagnosis and prevention for unknown well casing failure are the key for controlling the rising of casing failure speed.

详细剖析套损形成机理，对未知井套管情况进行差别和预防是控制套损上升速度的关键。

In this paper, new method of measuring misplace of well casing using panoramic TV system is proposed.

本文提出了一种利用全景电视系统测量井管错位的新方法。

Analysis on the load bearing capacity of tubes inside slips is very important for the design of well casing string, especially for that of deep well and super deep well.

在油井特别是深井和超深井的套管柱设计中，对卡瓦内悬挂管柱承载能力进行分析是十分重要的。

This article started from the geological feature and the characteristics of formation lithology mechanics of the Jiulongshan and optimized the deep well casing programs.

本文从九龙山构造的地质特征、地层巖性力学特性研究出发，优化了九龙山构造深井的井身结构。

The fullbore sliding sleeves cemented in the well casing string enable on-command opening and closing of each entry point in the completion hardware.

固定在套管柱上的全井眼滑套能够按照指令完井设备上的每一个入口点进行开关。

The external non liner loading of well casing can be improved by changing elastic parameters of the cement mantle.

水泥环的弹性参数和泥巖含水量等对套管外载有一定影响。

And considering the features and particular requirements of deepwater drilling, a program for deepwater DGD well casing program design and optimization is developed.

结合深水鉆井的特点，考虑鉆井施工的特殊要求，开发了深水双梯度鉆井井身结构设计及优化程序。

It is very important for the designs of well casing strings, especially for those of deep Wells and super deep Wells to analyze the load bearing capacity of tub es inside slips.

分析卡瓦内悬挂管柱的承载能力，对油井特别是深井和超深井的套管柱设计十分重要。

Therefore, DGD may provide an alternative optimization method for deepwater well casing program design, which can produce remarkable economic and industrial values.

双梯度鉆井为深水鉆井井身结构设计提供了一种新的优化方法，具有显着的经济效益和工业实用价值。

The deformation of oil well casing by creep of surrounding rocks is analysed with finite element methods.

用有限元方法分析了围巖蠕变引起的油井套管变形。