New method for the prediction of the failure pressure of interacting corrosion defects

被引：0

作者：

Benjamin, Adilson C. ^{[1
]}

Cunha, Divino J. S. ^{[1
]}

机构：

[1] PETROBRAS R&D Ctr, Rio De Janeiro, RJ, Brazil

来源：

PROCEEDINGS OF THE SEVENTEENTH (2007) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 1- 4, PROCEEDINGS | 2007年

关键词：

corroded pipeline; interacting defects; finite element analysis;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A new method for the prediction of the failure pressure of pipelines containing colonies of corrosion defects was proposed in a previous paper. This method, named MTI method, can take into account the length of full wall-thickness pipe that exists between each pair of defects within a colony of arbitrary shape (mixed type of interaction). In this paper the failure pressures of 22 colonies of corrosion defects previously calculated using Finite Element models are compared with those predicted by the MTI method plus other six assessments methods, namely: the ASME B3 1G method, the RSTRENG 085dL method, the DNV RP-F 10 1 method for single defects (Part B), the RPA method, the RSTRENG Effective Area method and the DNV RP-F101 method for interacting defects (Part B).

引用

页码：3456 / +

页数：2

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