超深探井在钻进过程中出现套管挤毁、井漏而常规封堵无效等复杂问题，影响了下一步正常钻进，短回接尾管固井技术能很好地解决该技术难题。
The short liner cementing technique can successfully solve some difficult technical problems, such as casing collapse, loss circulation during ultra deep exploratory well drilling operations.
文章主要运用有限元软件，研究了不同钻杆直径造成的套管偏磨对套管抗挤毁能力的影响。
In this paper, the influence of casing eccentric wear with different diameter on casing collapse resistance capacity was researched by finite element software.
采用全尺寸实物试验方法对套管有无水泥环情况下的抗挤毁能力做了对比试验。
A comparison is made on the anti-collapse capability of the casing with and without cement sheath by means of full-scale test.
瓦斯排放井的套管具有直径大、重量大，在下入井筒过程中，经常出现套管被挤毁的现象。
Casings used in gas drainage Wells have large diameter and heavy weight, during the lowering process, compressive collapsing is an ordinary phenomenon.
四川地区三迭系盐岩层分布广泛，盐岩层蠕变挤毁套管的客观条件是存在的。
Distribution of Triassic salt bed is very wide in Sichuan Area and the condition of salt rock creep resulting in casing collapse is existing.
1994年因生产套管被挤毁变形、盐堵而报废。
It was abandoned for its casings collapse and salt plugged in 1994.
计算表明，在非均布外挤压力作用下，套管抗挤毁强度大大降低。
Calculation shows that the casing collapse resistance decreases greatly under nonuniform loads.
套管磨损严重时，将使套管的抗挤毁能力和腐蚀寿命大大下降。
Serious casing wear greatly reduces the collapsing strength and corrosion life.
该方法将有限元计算与应变检测结合起来，大大提高了有限元计算的精度，对预测套管的挤毁压力、指导高抗挤套管的开发具有一定的参考价值。
Then the improved model is used to calculate the final casing collapse strength. This method combines FEA and strain test together and thus can get more …
同时指出，在计算套管的抗挤毁强度时，用均匀磨损模型代替非均匀磨损模型，计算结果有较大误差。
It is also found that the collapse strength of the even wear model was different from that of the uneven wear one. A quite great error would happen if a wrong model has been used.
该空间力学模型考虑了地层因素、井身结构因素、腐蚀因素等，其计算结果与套管抗挤毁的模拟试验结果非常吻合。
Its result is coincident with that of simulating test of casing collapse very well. This 3-d physical model considers factors of formation, casing program and corrosion etc.
该空间力学模型考虑了地层因素、井身结构因素、腐蚀因素等，其计算结果与套管抗挤毁的模拟试验结果非常吻合。
Its result is coincident with that of simulating test of casing collapse very well. This 3-d physical model considers factors of formation, casing program and corrosion etc.
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