... strength theory for the PV design and analysis. It has been commonly accepted that the burst pressure of pipelines depends on the UTS and strain hardening exponent, n , of the pipeline steel. An average shear stress yield theory was thus developed, and the Zhu-Leis solution of burst pressure was obtained...

...Jason Yan; Dongliang Lu; Ian Khou; Shenwei Zhang Corrosion is one of the major threats to the safety and structural integrity of oil and gas transmission pipelines. The corrosion threat is usually managed by regular in-line inspection (ILI). The effective area method (RSTRENG) is the most popular...

...Shulong Zhang; Wenxing Zhou In this study, the interaction effects of closely spaced corrosion defects on the burst capacity of oil and gas pipelines under combined internal pressure and longitudinal compression are investigated by using parametric three-dimensional elasto-plastic finite element...

...Shulong Zhang; Wenxing Zhou The present study proposes a new semi-empirical burst capacity model for corroded oil and gas pipelines under combined internal pressure and longitudinal compression. The proposed model evaluates the burst capacity of a corroded pipeline under combined loads as the burst...

...Mingjiang Xie; Jeff Sutherland; Bingyan Fang; Bill Gu; Zhigang Tian Integrity planning methods and inline inspection (ILI) tool performance have a great impact on a pipeline integrity management program. In pipeline integrity planning, risk and integrity assessments are performed to schedule...

...M. Fahed; I. Barsoum; A. Alfantazi; M. D. Islam Contemporary approach of corrosion prevention is to use internal lining system to isolate the corrosive medium from the host pipe's inner surface. The liners serve to offer a longer lifecycle of pipelines, as well as a corrosion barrier against...

...Qing Tu; Qingyou Liu; Shouhong Ji; Tao Ren; Yujia Li A pipeline inspection gauge (PIG) is an effective device for pipeline cleaning and inspection. Furthermore, a speed-controlled PIG can adjust speed by controlling the bypass valve. The conventional-speed controlled PIG uses batteries as an energy...

...Lim Kar Sing; Nordin Yahaya; Alireza Valipour; Libriati Zardasti; Siti Nur Afifah Azraai; Norhazilan Md Noor Oil and gas pipelines are subjected to various types of deterioration and damage over long service years. These damaged pipes often experience loss of strength and structural integrity...

...Sérgio B. Cunha; Theodoro A. Netto Recently published analytical solutions for the remaining strength of a pipeline with narrow axial and axisymmetric volumetric flaws are described in this paper, and their experimental and numerical validation are reviewed. Next, the domains of applicability...

...Bipul Chandra Mondal; Ashutosh Sutra Dhar Codes/standards have been developed to calculate accurately the burst pressure for corroded pipelines. Five burst pressure models are evaluated in this paper using three-dimensional finite-element (FE) analysis. The finite-element models are validated using...

..., and 2007 are plotted in the figures as well. Fig. 2 Apparent growth paths of individual defects characterized by the ILI-reported and field-measured depths In this section, an example involving real ILI data on a gas pipeline that is currently in service is used to illustrate the application...

... manuscript received January 19, 2014; published online April 3, 2014. Assoc. Editor: Jianmin Qu. 14 12 2012 19 01 2014 A hierarchical Bayesian growth model is presented in this paper to characterize and predict the growth of individual metal-loss corrosion defects on pipelines. The depth...

... probabilities of a pressurized pipeline at a single active corrosion defect considering three different failure modes, i.e., small leak, large leak, and rupture. The criteria for distinguishing small leak, large leak, and rupture at a given corrosion defect are established based on the information...

... alarmingly non-conservative results. In this study, the experimental data from a model riser tested in the lab was used to examine the fatigue crack growth of pipelines and risers under the action of uniform ocean current profiles. The focus of the study was on the cross-flow vibration of a model riser...

... element analysis nozzles pipelines pressure vessels shells (structures) dynamic burst pressure cylinder-cylinder intersection pipeline FEA LS-DYNA Cylinder-cylinder intersections are very common pressure vessel components used in many industries: pipeline transportation, nuclear...

... of the cases, and pointed out that using the biaxial strength as a basis for design was reasonable. Loureiro et al. ( 20 ) reported on a series of small scale experiments to determine the effect of external corrosion defects on the burst pressure of pipelines. They concluded that, the deeper the defect...

... of the pipeline materials, we simulate hydrogen diffusion through the surfaces of an axial crack on the internal wall of a vessel coupled with material deformation under plane strain small scale yielding conditions. The calculation of the hydrogen accumulation ahead of the crack tip accounts for stress-driven...

...J. Oliveros; J. L. Alamilla; E. Astudillo; O. Flores The mathematical model to predict failure pressures in corroded pipelines proposed in this work is based on the analysis of the original model by Cronin and Pick. New definitions and interpretations in order to obtain this new model are given...

...F. Caleyo; L. Alfonso; J. Alcántara; J. M. Hallen In this work, the statistical methods for the reliability of repairable systems have been used to produce a methodology capable to estimate the annualized failure rate of a pipeline population from the historical failure data of multiple pipeline...

... materials. Based on the ASSY theory, a theoretical solution for predicting the burst pressure of pipelines is obtained as a function of pipe diameter, wall thickness, material hardening exponent, and ultimate tensile strength. This solution is then validated by experimental data for various pipeline steels...