A mathematical model to describe casing deformation accurately has been built to ensure casing security.
为保证套管安全，建立了准确描述套管受力变形的数学模型。
We obtained quantitative interpretation of casing deformation and printed its report from digital imaging.
依据数字图像成像理论，获得套管变形程度的定量解释，并输出定量解释结果报告。
The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.
在套损井中，由于套管变形、结垢等因素，进一步加大了封隔器卡钻的可能性。
The tool can provide us the 3D borehole wall images reflecting visual and accurate casing deformation, corrosion and faults.
该技术可提供井壁立体图，直观准确地反映套管状况，如套管变形、腐蚀穿孔和错断等。
The soft sealing isolation technology is suitable for casing deformation well, corrosion control of commingled injection well and isolating injection water.
该软封具有施工简单、隔离性能好、有效期长和可用于套管变形井等特点，适用于合注井的防腐保护液与注入水隔离。
The focus of this investigation is on the nonuniform clearance caused by casing deformation and its effect on the flow field characteristics of the rotor rows.
针对由机匣变形造成的非均匀叶尖间隙，研究了其对多排转子流场特性的影响。
Explosive workover technology is a new technique. This technique can be used to repair either casing deformation Wells or casing breaking Wells, widen the range of workover greatly.
爆炸修井工艺是一项新技术，应用该技术既可修复套变井，也可修复错断井，极大地拓宽了修井范围。
Oilgas outputs, injection effectiveness and service life of production and injection well are directly affected by casing deformation and damages, such as outside force, chemical corrosion and so on.
由于套管受到外力、化学腐蚀等因素的作用而引起套管变形、损坏，直接影响油田油气产量和注水效果及油水井的使用寿命。
According to strain coordination condition, the force and deformation state formulas of casing, cement loop and stratum are derived.
根据应变协调条件，推导出了套管、水泥环及地层受力变形状态的计算公式。
The relation between the deformation shape of casing and the areas and subjected to ground stress and the theory solution of non-uniform in-situ stress were analyzed.
对套管的变形形态与地应力作用大小、应力范围之间的关系和非均匀地应力的求解进行了研究。
Based on research on mechanism of non die drawing deformation of thermal coupling casing, law of drawing speed variation was analyzed, and the mathematical model for non die drawn casing established.
通过对热电偶套管无模拉伸变形机制的研究，分析了拉伸速度的变化规律，并建立了无模拉伸套管的数学模型。
This technology keeps the casing in an elastic state in the whole thermal recovery process without plastic deformation taking place, and thus resolves the problem of thermal casing failure.
该技术可使套管在整个开采过程中一直处于弹性状态，不发生塑性变形，从而解决了套管热破坏问题。
The program is applied to simulate and research damage and deformation of casing of Baobei district in Baolang oil fields.
应用开发的程序，模拟研究了宝浪油田宝北区块的套管损坏和变形。
The flexual deformation of casing in a horizontal hole is caused not only by the uniform transverse load from dead weight, but also by the axial load, and the existence of initial bent if any.
水平井套管柱的挠曲变形，不仅受自重引起的横向均布载荷的影响，而且还受轴向力的影响，同时还可能有初弯曲。
Hubei Jiangpinghe power station landslide deformation strengthening works of the casing follow-up of prestressed anchoring technique successfully obtained good results.
湖北江坪河电站滑坡变形体加固工程采用了套管跟进预应力锚固技术成功取得了较好的效果。
The method of surfacing welding sealing strip was adopted to repair the deformation of the flange joint surface of the high and intermediate pressure outer casing .
修理前，围绕兼顾解决焊接性、应力和变形问题，结合实际施工条件制定了以手工钨极氩弧焊、镍基焊丝、焊前低温预热、焊后锤击焊缝为要素的冷堆焊工艺。
The section form variation coefficient which is the judgment of non-uniform deformation degree index of casing is introduced. And the application of the index is examined by the test data.
介绍了衡量套管不均匀变形程度的指标一截面形状变化指数，并用试验数据对该指标的应用进行了检验。
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岩蠕变引起的油井套管变形。
The thin thickness small diameter brass antenna casing is introduced and plastic deformation theory in tension fracture process is analyzed.
介绍了开发研制的黄铜薄壁小直径天线套管，并对拉伸断裂的塑性变形理论进行了分析探讨。
Secondly, a displacement back-analysis method based on deformation data was put forward to calculate the casing loads.
其次，提出了基于变形资料确定套管外载的位移反分析方法。
The result showed that the stress and deformation of the being designed welded casing under static state wer…
可进一步对焊接机壳进行动态特性分析，以便为改进设计提供更可靠的理论依据。
The result showed that the stress and deformation of the being designed welded casing under static state wer…
可进一步对焊接机壳进行动态特性分析，以便为改进设计提供更可靠的理论依据。
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