On the Probabilistic Assessment of Tophole Casing Design
C. A. F. Várady Filho,
J. K. F. Tenório,
E. T. Lima Junior
et al.
Abstract:Summary
The casing system plays a crucial role in the integrity of oil and gas wells throughout their life cycle, providing tightness, stability, and support to external loads. In this paper, we apply reliability-based models to the design of tophole casing sections, taking into account uncertainties associated with soil behavior and casing tubulars manufacturing. Typical load scenarios are addressed to estimate the probability of the occurrence of different soil-casing system failure modes.
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