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METHODS OF DESIGNING CEMENTING OPERATIONS AND PREDICTING STRESS, DEFORMATION, AND FAILURE OF A WELL CEMENT SHEATH
METHODS OF DESIGNING CEMENTING OPERATIONS AND PREDICTING STRESS, DEFORMATION, AND FAILURE OF A WELL CEMENT SHEATH
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机译:固井作业的固井作业设计和应力,变形及破坏的预测方法
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摘要
Methods of designing a cementing operation for a cement body within a wellbore are described herein. One such method includes determining a stress for the cement body within the wellbore by simulating hydration of the cement body using cementing operation parameters and wellbore conditions. The hydration simulation includes calculating pore pressure for the cement body and accounting for changes in pore pressure associated with chemical shrinkage of the cement body. The method further includes designing a cementing operation using the stress for the cement body and the cementing operation parameters.
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