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Title: Remaining strength of API J55 steel casing pipes damaged by corrosion
Authors: sedmak, aleksandar
Arsić M.
Sarkocevic Z.
Medjo, Bojan
Rakin M.
Arsić, Dušan
Lazic, Vukic
Issue Date: 2020
Abstract: © 2020 Elsevier Ltd Experimental investigation of the integrity of casing pipes, used in the oil drilling rigs, withdrawn after about 70,000 h of service, has been conducted, together with numerical simulation. Pipes were manufactured by the high frequency contact welding (HF) of API J55 steel. The influence of corrosion damage is investigated by means of pressure test of a pipe with different damage levels made by machining the circular holes. The finite element analysis of the damaged pipe subjected to internal pressure is conducted to simulate the stress state in the pipe and to establish the criteria for the maximum pressure that a damaged pipe can withstand. Several analytical expressions were used to estimate the maximum pressure in a damaged pipeline, and the solutions were compared to predictions of finite element models and experimental results.
Type: article
DOI: 10.1016/j.ijpvp.2020.104230
ISSN: 0308-0161
SCOPUS: 2-s2.0-85095772911
Appears in Collections:Faculty of Engineering, Kragujevac

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