Technical Publications

Drilling Riser Fatigue Monitored in Real Time Aboard Drillship

McNeill, S., Kluk, D,. Agarwal, P., Bhalla, K., Saruhashi, T., Sawada, I., Kyo, M., Miyazaki, E., and Yamazaki, Y.

ABSTRACT: A riser-fatigue monitoring system (RFMS) has been developed to provide field measurements of drilling riser stress and fatigue in...
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Developments in High Temperature Assessment

Carter, P.

ABSTRACT: Two new assessment methods are suggested for high temperature components. First, in addition to creep damage, the calculation of the...
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Metallurgical Examination of Impulsively Loaded Vessels

Burns, M.G., Haroldsen, B., Yip, M.

ABSTRACT: Establishing design and inspection criteria for impulsively loaded vessels requires a precise understanding of the damage mechanisms and...
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Analysis of Unburied Pipeline Spans

Matta, L.M., Dotson, R.

ABSTRACT: Support requirements for unburied spans on existing pipelines can be difficult to assess. An approach for investigating the adequacy of...
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Rational Stress Limits and Load Factors for Finite Element Analyses in Pipeline Applications Part II – Limit State Load Factor Development

Lin, B., Biel, R.C.

ABSTRACT: In this paper, a load factor for use in a limit-load analysis of a pipeline and its      components is...
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Elevated Temperature Primary Load Design Method Using Pseudo Elastic-Perfectly Plastic Model

Carter, P., Sham, T.L., Jetter, R.I.

ABSTRACT: A new primary load design method for elevated temperature service has been developed. Codification of the procedure in an ASME Boiler...
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One Power Plant’s Experience in Setting Up, Performing and Acting on a Pipe Hanger Surveillance Program

Kimball, L., Mutama, K.

 ABSTRACT: The ASME B31.1 Power Piping Code, Chapter VII, has stated that Operating Companies shall establish a program to assess and document...
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Application of Elastic-Perfectly Plastic Analysis to Assessment of Creep Strain

Carter, P., Sham, T.L., Jetter, R.I.

ABSTRACT: A cyclic elastic-perfectly plastic analysis method is proposed which provides a conservative estimate to cyclic creep strain...
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Application of Shakedown Analysis to Evaluation of Creep-Fatigue Limits

Carter, P., Sham, T.L., Jetter, R.I.

ABSTRACT: Shakedown analysis may be used to provide a conservative estimate of local rupture and hence cyclic creep damage for use in a...
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Effects of Thermal Cycling on Offshore Pipeline Repair Tool Seal Systems

Ayers, R.R., Miller, J.E., Gage, E., Hebert, J., Wilson, I.

ABSTRACT This paper summarizes results from both coupon testing and full-scale testing directed at developing sealing systems to retrofit in...
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High Energy Piping Assessment Methods and Case Study

Carter, P.

ABSTRACT: A comparison between analysis for piping design and analysis for piping assessment is given. Assessment requires consideration of high...
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Continuous Acoustic Emission (AE) Monitoring of a Known Flaw Site Behind a Nozzle Repad at Elevated Temperature

Aucoin, G.A., Allevato, C., and Lowry, T.

ABSTRACT: This paper discusses the application of AE as a method which provided an operator the feedback required to safely continue operation of...
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