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Tenaris & Eni Release Joint Paper on Casing Collapse Resistance

Steel News - Published on Tue, 14 Jul 2020

Image Source: Tenaris Eni OCTG Casing
Tenaris and Eni have published the findings of joint field scale tests that evaluated the combined resistance of two casing strings in salt and other creeping formations. The technical paper was scheduled to be presented by Tenaris and Eni specialists at the Offshore Technology Conference in Houston last May. However, the event was cancelled due to the ongoing COVID-19 pandemic, with the study and the accompanying recorded presentation available on OTC’s website.

Casing collapse resistance is a key variable in structural integrity, especially in critical environments where salt or other creeping formations complicate casing string analysis and design. The limited knowledge of the impact of salt-induced loads often leads to over-conservative design, which can significantly increase well costs for operators. This is largely due to the lack of scientific studies based on full-scale tests, which would help to determine the actual collapse rating of the solutions implemented during well construction.

To address this shortfall and to gain new insights into these phenomena, Tenaris and Eni have recently engaged in a series of experiments, resulting in a new well design formula.

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Posted By : Yogender Pancholi on Tue, 14 Jul 2020
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