基于可靠性理论的井身结构设计方法

来源 :2011全国特殊气藏开发技术研讨会 | 被引量 : 0次 | 上传用户:hhugjl012800
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针对压力复杂条件下的井身结构设计困难的问题,本文基于可靠性理论提出了一种新的方法.在对地层压力的概率密度分析的基础上,建立了井身结构可靠度模型,并按照可靠度最大的原则,提出了套管下深的计算方法和基于模拟退火法的求解算法.实例分析证明了本方法的合理性和科学性.研究结果表明,该方法实用性好,与传统的井身结构设计方法相比,可以在一定程度上提高设计的可靠性.
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