2411-3336 2541-9404 Записки Горного института Journal of Mining Institute Санкт-Петербургский горный университет императрицы Екатерины ΙΙ Empress Catherine II Saint Petersburg Mining University pmi-7711 https://pmi.spmi.ru/pmi/article/view/7711 Проблемы разведки и освоения нефтяных и газовых месторождений Topical issues in prospecting and development of oil and gas deposits Experimental research concerning the influence of external diameter on the behavior of coiled tubing to cyclic bending with internal pressure Experimental research concerning the influence of external diameteron the behavior of coiled tubing to cyclic bending with internal pressure Ulmanu Vlad Ulmanu Vlad Ulmanu Vlad pmi@spmi.ru Нефтегазовый университет Плоешти (Румыния) Petroleum – Gas University of Ploiesti (Romania) Zisopol Dragos Zisopol Dragos Zisopol Dragos pmi@spmi.ru Нефтегазовый университет Плоешти (Румыния) Petroleum – Gas University of Ploiesti (Romania) Trifan Ciprian Trifan Ciprian Trifan Ciprian pmi@spmi.ru Нефтегазовый университет Плоешти (Румыния) Petroleum – Gas University of Ploiesti (Romania) 11 04 2007 2007 170 2 46 48 06 08 2006 21 10 2006 11 04 2007 © 2007 Vlad Ulmanu, Dragos Zisopol, Ciprian Trifan © 2007 Vlad Ulmanu, Dragos Zisopol, Ciprian Trifan 2007 Vlad Ulmanu, Dragos Zisopol, Ciprian Trifan Vlad Ulmanu, Dragos Zisopol, Ciprian Trifan Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0) This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0) https://pmi.spmi.ru/pmi/article/view/7711

This paper presents the results of experimental studies of the influence of the outer diameter on the fatigue behavior of a coiled tube made of X70 steel loaded by cyclic bending with internal pressure.

This paper presents results of experimental research concerning the influence of the external diameter on the fatigue behavior of coiled tubing manufactured from X70 steel, loaded by cyclic bending with internal pressure.

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