NDLI: Modeling of the Collapse and Propagation Behavior of UOE SAW Pipes Under External Pressure: Influence of Thermal Treatments for Typical Coating Applications

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Luciano, O. Mantovano Serebrinsky, Santiago Hugo, A. Ernst Perez, Teresa Valdez, Martin Souza, Marcos De Luis, C. Chad
Copyright Year	2012
Abstract	Large diameter UOE pipes are being increasingly used for the construction of offshore pipelines. Since oil discoveries are moving towards ultra deep water areas, collapse resistance is a key factor in the design of the pipelines. It has been demonstrated in previous works that the application of typical coating thermal treatments increases the collapse resistance of the pipes recovering the original strength of the plate. To improve the understanding of these effects, the Tenaris has embarked on a program of both, experimental testing and finite element modeling. Previous phases of this work formulated the basis for model development and described the 2D approach taken to model the various stages of manufacture, from the plate to the final pipe and the collapse test. More recent developments included some modeling enhancements, sensitivity analyses, and comparison of predictions to the results of full scale collapse testing. In the present work, 3D finite element analyses of collapse were performed and compared with the latest collapse and propagation tests performed by Tenaris, where the effect of typical coating thermal treatments was studied and significant increments in the collapse pressure of pipes were obtained. The numerical results show a good agreement with the experimental ones and could predict the increment produced in the collapse pressure by the effect of the thermal treatments. Comparison of the results with the predictions from API RP 1111 and DNV OS-F101 equations was also performed. The outcomes of this study will be employed to further optimize the collapse resistance of subsea linepipe in order to reduce material and offshore installation costs through the increment of the fabrication factor as stated in the DNV OSF101 standard.
Sponsorship	Ocean, Offshore and Arctic Engineering Division
Starting Page	483
Ending Page	492
Page Count	10
File Format	PDF
ISBN	9780791844908
DOI	10.1115/OMAE2012-83566
Volume Number	Volume 3: Pipeline and Riser Technology
Conference Proceedings	ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
Language	English
Publisher Date	2012-07-01
Publisher Place	Rio de Janeiro, Brazil
Access Restriction	Subscribed
Subject Keyword	Collapse Water American petroleum institute Construction Sensitivity analysis Pipelines Model development Coatings Modeling Pressure Design Offshore installations External pressure Ocean engineering Coating processes Finite element analysis Manufacturing Performance Pipes Underwater pipelines Testing
Content Type	Text
Resource Type	Article

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The Influence of the UOE-SAWL Forming Process on the Collapse Resistance of Deepwater Linepipe

Collapse Resistance Enhancement in UOE SAWL Line Pipes During Coating Heat Treatment for Ultra Deepwater Applications

Enhanced Collapse Resistance for Different D/t Ratios of UOE Pipes for Ultra Deepwater Application

Effects of UOE Manufacturing Process on Pressurized Bending Response of Offshore Pipes

Blue Stream Collapse Test Program

Rational Modeling of Ultimate Pipe Strength Under Bending and External Pressure

Qualification of UOE SAWL Linepipes With Enhanced Collapse Resistance for Ultra Deepwater Applications

Flexible Pipe Curved Collapse Resistance Calculation

Collapse Propagation of Deep Water Pipelines

Modeling of the Collapse and Propagation Behavior of UOE SAW Pipes Under External Pressure: Influence of Thermal Treatments for Typical Coating Applications

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The Influence of the UOE-SAWL Forming Process on the Collapse Resistance of Deepwater Linepipe

Collapse Resistance Enhancement in UOE SAWL Line Pipes During Coating Heat Treatment for Ultra Deepwater Applications

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