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Cement Fatigue and HPHT Well Integrity with Application to Life of Well Prediction

机译：水泥疲劳和HpHT井完整性及其在井预测寿命中的应用

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For an oil/gas well to maintain its integrity and be produced effectively and economically, it is pertinent that a complete zonal isolation is achieved during the life of the well. This complete zonal isolation, however, can be compromised due to factors that come into play during the operative life of the completed well. Such factors may come in the form of thermal or pressure loads generally regarded as HTHP (High Temperature-High Pressure) loads which can manifest themselves as a static/cyclic load or both depending on how they are exerted. Cement structures experiencing cyclic loading conditions can fail as a result of fatigue due to extensive degradation of the microstructure of the cement material depending on stress levels and number of cycles.

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