Technical Publications

A Methodology for Assessment of Internal Flow-Induced Vibration (FIV) in Subsea Piping Systems

Urthaler, Y., Breaux, L., McNeill, S., Luther, E., Austin, J., Tognarelli, M.

Abstract: A methodology is presented for assessing internal flow-induced vibrations (FIV) in subsea piping systems.  Finite Element (FE) models...
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Developing Guidelines for Evaluating Damage to Subsea Pipelines

Alexander, C., Ayers, R., Exley, B.

ABSTRACT: Subsea pipelines and flowlines are periodically subjected to damaging events such as anchor snags that result in massive pipeline...
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Towards Understanding Reliability Levels for Offshore Wind Turbines

Agarwal, P. and Manuel, L.

ABSTRACT: Achieving uniform reliability is a desired intent of design standards based on Load and Resistance Factor Design (LRFD) methodology. The...
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Computational Fluid Dynamics Analysis as Applied to the Prediction of Dynamic Hookload Variation in Deepwater Drilling Risers

Stahl, M., Pordal, H. and Anderson, J.

Abstract: This paper discusses computational fluid dynamic (CFD) analysis that has been applied to a blowout preventor (BOP) stack undergoing...
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Simulation of Primary Plastic Package Damage in a Tray-Based Unit Load

DeHoff, S.P., Haynes, C.A., Yuan, J.Z.

ABSTRACT: With increasing demands for cost-cutting and global awareness of sustainability, shrink-wrapped tray-based unit loads are becoming...
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Development and Metallurgical Testing of New Spherical Gripping Technology vs. Traditional Die Slips

Vandervort, K.; Wharton, S.; Jarski, J., Yousef F.

ABSTRACT: Presents a new pipe gripping method using spherical balls to replace conventional die slips with the potential for significantly less...
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Equipment Vibration Problems: Tools and Techniques Used to Solve Difficult and Unusual Vibration Problems

Breaux, L., Luther, E., McNeill, S.

Abstract: The most common equipment vibration problems are often solved in industry without the use of specialty engineering resources. Routine...
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Key Considerations for the Design of Fiberglass (GRE) Lined Downhole Tubing

Ross, G.R., McDonald, P.E., Dotson, R.L., Coe, D.H., Grimes, W.D.

ABSTRACT: Downhole production well tubing is exposed to severe corrosive environments. Plain carbon steel tubing usually does not exhibit an...
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Analysis of High-Collapse Grade P110 Coupling Failures

Burns, Michael G., Buehler, W. M.

ABSTRACT In recent years, environmentally assisted cracking has caused failures of many Grade P110 couplings during fracturing operations, causing...
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Key Considerations for the Design of Fiberglass (GRE) Lined Downhole Tubing

Grimes W.D., Ross, G.R., Dotson, R.L., McDonald, P.E. Coe, D.H.

ABSTRACT Downhole production well tubing is exposed to severe corrosive environments. Plain carbon steel tubing usually does not exhibit an...
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Evaluating the Performance of the Zap-Lok Connection System

Alexander, C., Roberts, D., Logan, R.

ABSTRACT The Zap-Lok connection system involves a bell, or expanded area, formed on one end of a joint of pipe, and a groove is formed on the...
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Repair of High Pressure Pipe Fittings Using Composite Materials

Bedoya, J., Alexander, C., and Precht, T.

ABSTRACT Pipelines and piping frequently suffer from metal loss that threatens their integrity and serviceability. Multiple repair options exist for...
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